MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21415b4bd92f908e375ef73e62b8539724488e9372c6df980d91c01e47ebfd15. 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: 8


Intelligence 8 IOCs YARA 10 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21415b4bd92f908e375ef73e62b8539724488e9372c6df980d91c01e47ebfd15
SHA3-384 hash: 526ab5e68275d922fbfe7ff78398786838b9c9d343f58f41324502f91be16bc8b4a05720d71c4be09d586a94a4429760
SHA1 hash: 4db420d6dfc64506e6e8b71ff63e4b240f2a562c
MD5 hash: d69ad8d2f432e57d4f5ecf5d7e7f9300
humanhash: neptune-sad-mango-apart
File name:d69ad8d2f432e57d4f5ecf5d7e7f9300.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:6'356'450 bytes
First seen:2021-05-23 06:32:47 UTC
Last seen:2021-05-23 07:02:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c9adc83b45e363b21cd6b11b5da0501f (82 x ArkeiStealer, 60 x RecordBreaker, 46 x RedLineStealer)
ssdeep 196608:it8ocoSzMfJbTIiDOVcYtdkk+HiS8pamD:zoSiJbTIiDOVcYtdNs8J
TLSH 4656337BB292843AC4A218301CDFA1B6F479B7648F74188F4BDA4E6D48336E55F36583
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
145
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d69ad8d2f432e57d4f5ecf5d7e7f9300.exe
Verdict:
No threats detected
Analysis date:
2021-05-23 06:36:34 UTC
Tags:
installer
Link:
https://app.any.run/tasks/23ba714b-14f3-4370-aa13-bf035a236948

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Malware.Fabookie-9797757-0
Create hunting rule

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

Win.Malware.Passteal-9853623-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Creating a file in the Windows subdirectories
Searching for the window
Creating a file
DNS request
Launching a process
Sending an HTTP GET request
Sending a UDP request
Sending a custom TCP request
Reading critical registry keys
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Sending an HTTP POST request
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
Setting a single autorun event
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:
RedLine Vidar
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/789393
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
Creates a thread in another existing process (thread injection)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Detected VMProtect packer
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Modifies the context of a thread in another process (thread injection)
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 uses process hollowing technique
Sets debug register (to hijack the execution of another thread)
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 RedLine Stealer
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 421789 Sample: 6E1LllIw64.exe Startdate: 23/05/2021 Architecture: WINDOWS Score: 100 144 172.217.19.100 GOOGLEUS United States 2->144 146 104.21.81.186 CLOUDFLARENETUS United States 2->146 168 Multi AV Scanner detection for domain / URL 2->168 170 Antivirus detection for URL or domain 2->170 172 Antivirus detection for dropped file 2->172 174 13 other signatures 2->174 10 6E1LllIw64.exe 14 15 2->10         started        signatures3 process4 file5 78 C:\Program Files (x86)\...\lylal220.exe, PE32 10->78 dropped 80 C:\Program Files (x86)\...\hjjgaa.exe, PE32 10->80 dropped 82 C:\Program Files (x86)\...\guihuali-game.exe, PE32 10->82 dropped 84 5 other files (4 malicious) 10->84 dropped 13 guihuali-game.exe 6 10->13         started        16 RunWW.exe 90 10->16         started        20 Versium.exe 10->20         started        22 4 other processes 10->22 process6 dnsIp7 86 C:\Users\user\AppData\Local\...\install.dll, PE32 13->86 dropped 88 C:\Users\user\AppData\...\adobe_caps.dll, PE32 13->88 dropped 24 rundll32.exe 13->24         started        27 conhost.exe 13->27         started        122 94.130.58.199 HETZNER-ASDE Germany 16->122 124 104.17.62.50 CLOUDFLARENETUS United States 16->124 90 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 16->90 dropped 100 11 other files (none is malicious) 16->100 dropped 160 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->160 162 Tries to steal Instant Messenger accounts or passwords 16->162 164 Tries to harvest and steal browser information (history, passwords, etc) 16->164 166 2 other signatures 16->166 92 C:\Users\user\AppData\Local\...\Versium.tmp, PE32 20->92 dropped 29 Versium.tmp 20->29         started        126 208.95.112.1 TUT-ASUS United States 22->126 128 88.99.66.31 HETZNER-ASDE Germany 22->128 130 4 other IPs or domains 22->130 94 C:\Users\user\AppData\Roaming\8845264.exe, PE32 22->94 dropped 96 C:\Users\user\AppData\...\jfiag3g_gg.exe, PE32 22->96 dropped 98 C:\Users\user\AppData\Roaming\4919629.exe, PE32 22->98 dropped 102 3 other files (none is malicious) 22->102 dropped 33 LabPicV3.tmp 22->33         started        35 8845264.exe 22->35         started        37 lylal220.tmp 22->37         started        39 3 other processes 22->39 file8 signatures9 process10 dnsIp11 176 Writes to foreign memory regions 24->176 178 Allocates memory in foreign processes 24->178 180 Creates a thread in another existing process (thread injection) 24->180 41 svchost.exe 24->41 injected 44 svchost.exe 24->44 injected 46 svchost.exe 24->46 injected 150 34.117.59.81 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 29->150 152 104.26.3.60 CLOUDFLARENETUS United States 29->152 158 2 other IPs or domains 29->158 104 C:\Users\user\AppData\Local\...\Setup.exe, PE32 29->104 dropped 116 3 other files (none is malicious) 29->116 dropped 48 Setup.exe 29->48         started        106 C:\Users\user\AppData\Local\...\3316505.exe, PE32 33->106 dropped 118 3 other files (none is malicious) 33->118 dropped 51 3316505.exe 33->51         started        154 172.67.188.69 CLOUDFLARENETUS United States 35->154 120 7 other files (none is malicious) 35->120 dropped 182 Detected unpacking (changes PE section rights) 35->182 184 Detected unpacking (overwrites its own PE header) 35->184 156 199.188.201.83 NAMECHEAP-NETUS United States 37->156 108 C:\Users\user\AppData\Local\Temp\...\idp.dll, PE32 37->108 dropped 110 C:\Users\user\AppData\Local\...\_shfoldr.dll, PE32 37->110 dropped 112 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 37->112 dropped 114 C:\Users\user\AppData\Local\...\4_177039.exe, PE32 37->114 dropped 54 4_177039.exe 37->54         started        186 Tries to harvest and steal browser information (history, passwords, etc) 39->186 file12 signatures13 process14 dnsIp15 188 Sets debug register (to hijack the execution of another thread) 41->188 190 Modifies the context of a thread in another process (thread injection) 41->190 56 svchost.exe 41->56         started        132 217.107.34.191 RTCOMM-ASRU Russian Federation 48->132 192 Writes to foreign memory regions 48->192 194 Allocates memory in foreign processes 48->194 196 Sample uses process hollowing technique 48->196 198 Injects a PE file into a foreign processes 48->198 60 AddInProcess32.exe 48->60         started        134 198.54.126.101 NAMECHEAP-NETUS United States 51->134 136 162.0.220.187 ACPCA Canada 51->136 138 192.168.2.1 unknown unknown 51->138 62 C:\Program Files\...\prolab.exe, PE32 51->62 dropped 64 C:\Program Files (x86)\...\Vadijaevola.exe, PE32 51->64 dropped 66 C:\...\Vadijaevola.exe.config, XML 51->66 dropped 74 2 other files (none is malicious) 51->74 dropped 200 Detected unpacking (overwrites its own PE header) 51->200 140 8.241.90.254 LEVEL3US United States 54->140 142 162.0.210.44 ACPCA Canada 54->142 68 C:\Program Files (x86)\Java\Sakekotoha.exe, PE32 54->68 dropped 70 C:\...\Sakekotoha.exe.config, XML 54->70 dropped 72 C:\Users\user\AppData\...\Folaerecohu.exe, PE32 54->72 dropped 76 2 other files (none is malicious) 54->76 dropped file16 signatures17 process18 dnsIp19 148 198.13.62.186 AS-CHOOPAUS United States 56->148 202 Query firmware table information (likely to detect VMs) 56->202 signatures20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/21415b4bd92f908e375ef73e62b8539724488e9372c6df980d91c01e47ebfd15/
Threat name:
Win32.Trojan.Fabookie
Create hunting rule
Status:
Malicious
First seen:
2021-05-22 16:37:53 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=efavws6zf6ii4n26647gfocts4serdutoldn7ganshab4r7l7ukq._file
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/210523-7k88fvxwe2/
Behaviour
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 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
Drops desktop.ini file(s)
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:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/21415b4bd92f908e375ef73e62b8539724488e9372c6df980d91c01e47ebfd15

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: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_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: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.

Web download

ArkeiStealer

Executable exe 21415b4bd92f908e375ef73e62b8539724488e9372c6df980d91c01e47ebfd15

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1269087/
  
Delivery method
Distributed via web download

Comments


Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-23 07:24:15 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