MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b36f51b91f67c01015777197970e7ea37e291ff8b6401a853e9582b0a1d90cb. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


ArkeiStealer


Vendor detections: 10


Intelligence 10 IOCs 1 YARA 13 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b36f51b91f67c01015777197970e7ea37e291ff8b6401a853e9582b0a1d90cb
SHA3-384 hash: e3ed62ffd57acc1181239a268682924796b425c45d6d16928652c61b8e4839aab99150263888020009c8c24c044a1072
SHA1 hash: cb85669b4f1eb49bb4d4bf7f837fd249644f7824
MD5 hash: 5c1fe1825804bb057b1cb6c0ca1e6958
humanhash: wolfram-eighteen-yellow-maryland
File name:5C1FE1825804BB057B1CB6C0CA1E6958.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:7'454'792 bytes
First seen:2021-05-23 20:25:21 UTC
Last seen:2021-05-23 21:01:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c9adc83b45e363b21cd6b11b5da0501f (82 x ArkeiStealer, 60 x RecordBreaker, 46 x RedLineStealer)
ssdeep 196608:itjocoSzMfJbTIiDOVcYtdkzsA2LNXUpgoAftyNcF8cPHZ:ooSiJbTIiDOVcYtdCs1YCftyNcFJZ
Threatray 113 similar samples on MalwareBazaar
TLSH CE7633BEA592D43AC12328351DABC1F2F174B7085F384DCF5ADA4C494CB36984B3AA53
Reporter abuse_ch
Tags:ArkeiStealer exe


Avatar
abuse_ch
ArkeiStealer C2:
http://94.130.58.199/

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://94.130.58.199/ https://threatfox.abuse.ch/ioc/57564/

Intelligence

File Origin
# of uploads :
2
# of downloads :
154
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5C1FE1825804BB057B1CB6C0CA1E6958.exe
Verdict:
No threats detected
Analysis date:
2021-05-23 20:26:23 UTC
Tags:
installer
Link:
https://app.any.run/tasks/d86f65dc-f8d7-4109-acb0-e6802c4baf1f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Fabookie
Create hunting rule
Link:
https://www.capesandbox.com/analysis/161008/
Detection(s):
Win.Malware.Fabookie-9797757-0
Create hunting rule

Win.Malware.Generic-9849070-0
Create hunting rule

SecuriteInfo.com.PSW.Generic8.ISF.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Changing a file
Connection attempt
Enabling the 'hidden' option for recently created files
Creating a window
Delayed reading of the file
Creating a file in the %temp% subdirectories
Creating a file in the Program Files subdirectories
Deleting a recently created file
Creating a process from a recently created file
Creating a process with a hidden window
Sending a UDP request
Creating a file in the Windows subdirectories
Searching for the window
Creating a file
Launching the default Windows debugger (dwwin.exe)
DNS request
Sending a custom TCP request
Launching a process
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Launching a tool to kill processes
Unauthorized injection to a system process
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Socelars Vidar
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/789780
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for dropped file
Creates a thread in another existing process (thread injection)
Creates multiple autostart registry keys
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Detected VMProtect packer
Drops PE files to the document folder of the user
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Sample is protected by VMProtect
Sigma detected: Suspicious Svchost Process
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Instant Messenger accounts or passwords
Writes to foreign memory regions
Yara detected Socelars
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 422176 Sample: 5conp6TiYf.exe Startdate: 23/05/2021 Architecture: WINDOWS Score: 100 188 Multi AV Scanner detection for domain / URL 2->188 190 Found malware configuration 2->190 192 Antivirus detection for dropped file 2->192 194 14 other signatures 2->194 10 5conp6TiYf.exe 14 16 2->10         started        process3 file4 120 C:\Program Files (x86)\...\lylal220.exe, PE32 10->120 dropped 122 C:\Program Files (x86)\...\jg7_7wjg.exe, PE32 10->122 dropped 124 C:\Program Files (x86)\...\hjjgaa.exe, PE32 10->124 dropped 126 6 other files (5 malicious) 10->126 dropped 13 BarSetpFile.exe 15 7 10->13         started        17 RunWW.exe 90 10->17         started        20 LabPicV3.exe 10->20         started        22 5 other processes 10->22 process5 dnsIp6 168 104.21.33.129 CLOUDFLARENETUS United States 13->168 128 C:\Users\user\AppData\Roaming\5760006.exe, PE32 13->128 dropped 130 C:\Users\user\AppData\Roaming\3370060.exe, PE32 13->130 dropped 132 C:\Users\user\AppData\Roaming\1834371.exe, PE32 13->132 dropped 24 5760006.exe 13->24         started        29 3370060.exe 13->29         started        31 1834371.exe 13->31         started        170 94.130.58.199 HETZNER-ASDE Germany 17->170 172 104.17.62.50 CLOUDFLARENETUS United States 17->172 142 12 other files (none is malicious) 17->142 dropped 180 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->180 182 Tries to steal Instant Messenger accounts or passwords 17->182 184 Tries to harvest and steal browser information (history, passwords, etc) 17->184 186 2 other signatures 17->186 33 cmd.exe 17->33         started        134 C:\Users\user\AppData\Local\...\LabPicV3.tmp, PE32 20->134 dropped 35 LabPicV3.tmp 20->35         started        174 101.36.107.74 UHGL-AS-APUCloudHKHoldingsGroupLimitedHK China 22->174 176 208.95.112.1 TUT-ASUS United States 22->176 178 5 other IPs or domains 22->178 136 C:\Users\user\Documents\...\jg7_7wjg.exe, PE32 22->136 dropped 138 C:\Users\user\AppData\...\jfiag3g_gg.exe, PE32 22->138 dropped 140 C:\Users\user\AppData\Local\...\install.dll, PE32 22->140 dropped 144 2 other files (none is malicious) 22->144 dropped 37 rundll32.exe 22->37         started        39 lylal220.tmp 22->39         started        41 jfiag3g_gg.exe 22->41         started        43 4 other processes 22->43 file7 signatures8 process9 dnsIp10 158 104.21.40.195 CLOUDFLARENETUS United States 24->158 106 7 other files (none is malicious) 24->106 dropped 202 Detected unpacking (changes PE section rights) 24->202 204 Detected unpacking (overwrites its own PE header) 24->204 160 104.21.81.186 CLOUDFLARENETUS United States 29->160 108 7 other files (none is malicious) 29->108 dropped 94 C:\ProgramData\...\Windows Host.exe, PE32 31->94 dropped 206 Creates multiple autostart registry keys 31->206 45 Windows Host.exe 31->45         started        47 conhost.exe 33->47         started        62 2 other processes 33->62 162 192.168.2.1 unknown unknown 35->162 96 C:\Users\user\AppData\Local\...\3316505.exe, PE32 35->96 dropped 98 C:\Users\user\AppData\Local\Temp\...\idp.dll, PE32 35->98 dropped 100 C:\Users\user\AppData\Local\...\_shfoldr.dll, PE32 35->100 dropped 102 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 35->102 dropped 49 3316505.exe 35->49         started        208 Writes to foreign memory regions 37->208 210 Allocates memory in foreign processes 37->210 212 Creates a thread in another existing process (thread injection) 37->212 54 svchost.exe 37->54 injected 56 svchost.exe 37->56 injected 58 svchost.exe 37->58 injected 64 2 other processes 37->64 164 199.188.201.83 NAMECHEAP-NETUS United States 39->164 104 C:\Users\user\AppData\Local\Temp\...\idp.dll, PE32 39->104 dropped 110 3 other files (none is malicious) 39->110 dropped 60 4_177039.exe 39->60         started        214 Tries to harvest and steal browser information (history, passwords, etc) 41->214 166 13.64.90.137 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 43->166 file11 signatures12 process13 dnsIp14 146 198.54.126.101 NAMECHEAP-NETUS United States 49->146 148 2.20.142.209 AKAMAI-ASN1EU European Union 49->148 150 162.0.220.187 ACPCA Canada 49->150 76 C:\Program Files (x86)\...\Vasyhamyny.exe, PE32 49->76 dropped 78 C:\...\Vasyhamyny.exe.config, XML 49->78 dropped 80 C:\Users\user\AppData\...\Mepuxyzhede.exe, PE32 49->80 dropped 88 2 other files (none is malicious) 49->88 dropped 196 Detected unpacking (overwrites its own PE header) 49->196 198 Creates multiple autostart registry keys 49->198 66 prolab.exe 49->66         started        69 svchost.exe 54->69         started        152 2.20.143.16 AKAMAI-ASN1EU European Union 60->152 154 162.0.210.44 ACPCA Canada 60->154 82 C:\Program Files (x86)\...\Jaehijaxugu.exe, PE32 60->82 dropped 84 C:\...\Jaehijaxugu.exe.config, XML 60->84 dropped 86 C:\Users\user\AppData\...\Vihytevyly.exe, PE32 60->86 dropped 90 2 other files (none is malicious) 60->90 dropped file15 signatures16 process17 dnsIp18 92 C:\Users\user\AppData\Local\...\prolab.tmp, PE32 66->92 dropped 73 prolab.tmp 66->73         started        156 198.13.62.186 AS-CHOOPAUS United States 69->156 200 Query firmware table information (likely to detect VMs) 69->200 file19 signatures20 process21 file22 112 C:\Users\user\AppData\Local\...\_shfoldr.dll, PE32 73->112 dropped 114 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 73->114 dropped 116 C:\Program Files (x86)\...\is-VNNC6.tmp, PE32 73->116 dropped 118 8 other files (none is malicious) 73->118 dropped
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3b36f51b91f67c01015777197970e7ea37e291ff8b6401a853e9582b0a1d90cb/
Threat name:
Win32.Trojan.Fabookie
Create hunting rule
Status:
Malicious
First seen:
2021-05-20 18:33:00 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hm3pkg4r6z6acakxo4mxs4hh5i36fep7rnsadkct5fmcwcq5sdfq._file
Verdict:
malicious
Similar samples:
0e63f296fdc309cb1e487cd1a549d029d2a9144b8a050db274901030dc6ec0f3
ArkeiStealer
2c44f7515715ebafdc7bb8cf40adf36adce1e1bf7fd2555d56427a6d73a850d8
ArkeiStealer
6e8a0a30744ed0130a2b32997e03ba5c07339ddf22e76c7ca64882d5d3f8cc4f
ArkeiStealer
864ef1321215c0dad7c8677e3c18942b111468c63358475baa71fb1679c25096
ArkeiStealer
87bce52ffa3eaa55981a2dd9af96ce156249a9bfcfd9b3930252cdeff9e8633d
ArkeiStealer
8aa1689d6acacf9f2eb2603db52dc5908e1ec5d80000deec13e2e038c2883413
ArkeiStealer
a28956c03af41c83a80a84889bd4b2528c3842f14ca44d7c2d3362cbaa036b8d
ArkeiStealer
cb3c387163302fbf8ddb4c13e9d786c1070a4185a74bdd3faebd1649d02b2b30
ArkeiStealer
e13ba9f6e63e4013b75c3d45b012d8cbdda80913669bdd10942828b05d66e798
ArkeiStealer
f91c7c2e15b7343d97bc5c3961f43ebd659440102a4a9c3359d7a9e6e0aef9d3
ArkeiStealer
+ 103 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:plugx family:vidar discovery evasion persistence spyware stealer trojan upx vmprotect
Link:
https://tria.ge/reports/210523-z3vneexn36/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies registry class
Modifies system certificate store
Runs ping.exe
Script User-Agent
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Checks whether UAC is enabled
Enumerates connected drives
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Program crash
Checks computer location settings
Loads dropped DLL
Reads local data of messenger clients
Reads user/profile data of web browsers
Blocklisted process makes network request
Downloads MZ/PE file
Drops file in Drivers directory
Executes dropped EXE
UPX packed file
VMProtect packed file
Checks for common network interception software
PlugX
Suspicious use of NtCreateProcessExOtherParentProcess
Suspicious use of NtCreateUserProcessOtherParentProcess
Vidar
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Azorult
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3b36f51b91f67c01015777197970e7ea37e291ff8b6401a853e9582b0a1d90cb

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICOIUS_WindDefender_AntiEmaulation
Create hunting rule
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:MALWARE_Win_HyperBro03
Create hunting rule
Author:ditekSHen
Description:Hunt HyperBro IronTiger / LuckyMouse / APT27 malware
Rule name:MALWARE_Win_HyperPro03
Create hunting rule
Author:ditekSHen
Description:Hunt HyperPro IronTiger / LuckyMouse / APT27 malware
Rule name:MALWARE_Win_Vidar
Create hunting rule
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:Steam_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Steam in files like avemaria
Rule name:SUSP_XORed_MSDOS_Stub_Message
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed MSDOS stub message
Reference:https://yara.readthedocs.io/en/latest/writingrules.html#xor-strings
Rule name:Vidar
Create hunting rule
Author:kevoreilly
Description:Vidar Payload
Rule name:win_vidar_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:with_sqlite
Create hunting rule
Author:Julian J. Gonzalez <info@seguridadparatodos.es>
Description:Rule to detect the presence of SQLite data in raw image
Reference:http://www.st2labs.com

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/161008/

Comments


Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-23 21:02:12 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009.029] Anti-Behavioral Analysis::Instruction Testing
1) [F0002.002] Collection::Polling
3) [C0027.009] Cryptography Micro-objective::RC4::Encrypt Data
4) [C0021.004] Cryptography Micro-objective::RC4 PRGA::Generate Pseudo-random Sequence
5) [C0032.001] Data Micro-objective::CRC32::Checksum
6) [C0060] Data Micro-objective::Compression Library
7) [C0026.002] Data Micro-objective::XOR::Encode Data
9) [C0046] File System Micro-objective::Create Directory
10) [C0048] File System Micro-objective::Delete Directory
11) [C0047] File System Micro-objective::Delete File
12) [C0049] File System Micro-objective::Get File Attributes
13) [C0051] File System Micro-objective::Read File
14) [C0050] File System Micro-objective::Set File Attributes
15) [C0052] File System Micro-objective::Writes File
16) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
17) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
18) [C0036.005] Operating System Micro-objective::Query Registry Key::Registry
19) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
20) [C0036.001] Operating System Micro-objective::Set Registry Key::Registry
21) [C0017] Process Micro-objective::Create Process
22) [C0041] Process Micro-objective::Set Thread Local Storage Value
23) [C0018] Process Micro-objective::Terminate Process