MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff4a3e44fcd1cfbbf10ac318aca7559e0c20d0563e11e8a98e21e09e97ca68d3. 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: 9


Intelligence 9 IOCs YARA 9 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ff4a3e44fcd1cfbbf10ac318aca7559e0c20d0563e11e8a98e21e09e97ca68d3
SHA3-384 hash: 7e1d9a10a5c4f73c5498108011a9e5e4b57ea7bcdcbd84ed61ab735f0a5645b6d42fb22ee8aadbcfea17350699a60db4
SHA1 hash: dba7127d7dba791491b8489f78f29445599205d7
MD5 hash: e2d6454883a1cdafb67813eade773a3d
humanhash: music-timing-shade-earth
File name:e2d6454883a1cdafb67813eade773a3d.exe
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:6'016'252 bytes
First seen:2021-05-24 17:56:50 UTC
Last seen:2021-05-24 19:02:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c9adc83b45e363b21cd6b11b5da0501f (82 x ArkeiStealer, 60 x RecordBreaker, 46 x RedLineStealer)
ssdeep 98304:pAI+dK9oO80oajzM5cGJbTIiDOPNUB+BZcSj9PdkQcy/OO+aQf6/a8pObPeXv:it0ocoSzMfJbTIiDOVcYtdkk+HiS8paq
Threatray 38 similar samples on MalwareBazaar
TLSH DF56337B7292847AC06218340DEF91B5F875AB588B341C8F4BDE4E6958332E56F36683
Reporter abuse_ch
Tags:ArkeiStealer exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
136
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e2d6454883a1cdafb67813eade773a3d.exe
Verdict:
No threats detected
Analysis date:
2021-05-24 19:03:56 UTC
Tags:
installer
Link:
https://app.any.run/tasks/6543d93b-a3a2-4e3c-9c17-92d71142c4aa

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

Win.Packed.Jaik-9864028-0
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
Sending a UDP request
Creating a file in the Windows subdirectories
Searching for the window
Creating a file
DNS request
Sending an HTTP GET request
Reading critical registry keys
Launching a process
Sending a custom TCP request
Creating a file in the %AppData% directory
Connection attempt
Enabling the 'hidden' option for recently created files
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
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:
Vidar
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/790709
Signature
.NET source code contains potential unpacker
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)
Creates multiple autostart registry keys
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Detected VMProtect packer
Drops executable to a common third party application directory
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Searches for Windows Mail specific files
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 Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 423108 Sample: ABUITiTl1w.exe Startdate: 24/05/2021 Architecture: WINDOWS Score: 100 168 Found malware configuration 2->168 170 Antivirus detection for URL or domain 2->170 172 Antivirus detection for dropped file 2->172 174 11 other signatures 2->174 9 ABUITiTl1w.exe 14 14 2->9         started        process3 file4 114 C:\Program Files (x86)\...\lylal220.exe, PE32 9->114 dropped 116 C:\Program Files (x86)\...\hjjgaa.exe, PE32 9->116 dropped 118 C:\Program Files (x86)\...\guihuali-game.exe, PE32 9->118 dropped 120 4 other files (3 malicious) 9->120 dropped 12 BarSetpFile.exe 15 8 9->12         started        16 guihuali-game.exe 6 9->16         started        18 LabPicV3.exe 9->18         started        20 3 other processes 9->20 process5 dnsIp6 160 104.21.33.129 CLOUDFLARENETUS United States 12->160 122 C:\Users\user\AppData\Roaming\8903524.exe, PE32 12->122 dropped 124 C:\Users\user\AppData\Roaming\7890957.exe, PE32 12->124 dropped 126 C:\Users\user\AppData\Roaming\5666579.exe, PE32 12->126 dropped 128 C:\Users\user\AppData\Roaming\7377415.exe, PE32 12->128 dropped 23 7890957.exe 12->23         started        28 5666579.exe 12->28         started        40 2 other processes 12->40 130 C:\Users\user\AppData\Local\...\install.dll, PE32 16->130 dropped 132 C:\Users\user\AppData\...\adobe_caps.dll, PE32 16->132 dropped 30 rundll32.exe 16->30         started        32 conhost.exe 16->32         started        134 C:\Users\user\AppData\Local\...\LabPicV3.tmp, PE32 18->134 dropped 34 LabPicV3.tmp 18->34         started        162 208.95.112.1 TUT-ASUS United States 20->162 164 88.99.66.31 HETZNER-ASDE Germany 20->164 166 6 other IPs or domains 20->166 136 C:\Users\user\AppData\...\jfiag3g_gg.exe, PE32 20->136 dropped 138 13 other files (none is malicious) 20->138 dropped 178 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->178 180 Tries to steal Instant Messenger accounts or passwords 20->180 182 Tries to harvest and steal browser information (history, passwords, etc) 20->182 184 2 other signatures 20->184 36 lylal220.tmp 20->36         started        38 jfiag3g_gg.exe 1 20->38         started        42 3 other processes 20->42 file7 signatures8 process9 dnsIp10 152 104.21.40.195 CLOUDFLARENETUS United States 23->152 108 7 other files (none is malicious) 23->108 dropped 186 Detected unpacking (changes PE section rights) 23->186 188 Detected unpacking (overwrites its own PE header) 23->188 96 C:\ProgramData\...\Windows Host.exe, PE32 28->96 dropped 190 Creates multiple autostart registry keys 28->190 192 Writes to foreign memory regions 30->192 194 Allocates memory in foreign processes 30->194 196 Creates a thread in another existing process (thread injection) 30->196 44 svchost.exe 30->44 injected 47 svchost.exe 30->47 injected 49 svchost.exe 30->49 injected 63 2 other processes 30->63 98 C:\Users\user\AppData\Local\...\3316505.exe, PE32 34->98 dropped 110 3 other files (none is malicious) 34->110 dropped 51 3316505.exe 34->51         started        154 199.188.201.83 NAMECHEAP-NETUS United States 36->154 156 192.168.2.1 unknown unknown 36->156 100 C:\Users\user\AppData\Local\...\4_177039.exe, PE32 36->100 dropped 102 C:\Users\user\AppData\Local\Temp\...\idp.dll, PE32 36->102 dropped 104 C:\Users\user\AppData\Local\...\_shfoldr.dll, PE32 36->104 dropped 106 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 36->106 dropped 55 4_177039.exe 36->55         started        198 Tries to harvest and steal browser information (history, passwords, etc) 38->198 158 104.21.81.186 CLOUDFLARENETUS United States 40->158 112 7 other files (none is malicious) 40->112 dropped 200 Injects a PE file into a foreign processes 40->200 57 conhost.exe 42->57         started        59 taskkill.exe 42->59         started        61 timeout.exe 42->61         started        file11 signatures12 process13 dnsIp14 202 Sets debug register (to hijack the execution of another thread) 44->202 204 Modifies the context of a thread in another process (thread injection) 44->204 65 svchost.exe 44->65         started        144 198.54.126.101 NAMECHEAP-NETUS United States 51->144 146 162.0.220.187 ACPCA Canada 51->146 76 C:\Program Files (x86)\...\Licybetumo.exe, PE32 51->76 dropped 78 C:\...\Licybetumo.exe.config, XML 51->78 dropped 80 C:\Users\user\AppData\Local\...\prolab.exe, PE32 51->80 dropped 88 2 other files (none is malicious) 51->88 dropped 206 Detected unpacking (overwrites its own PE header) 51->206 208 Creates multiple autostart registry keys 51->208 210 Drops executable to a common third party application directory 51->210 69 prolab.exe 51->69         started        72 Gacuposuje.exe 51->72         started        148 8.252.5.126 LEVEL3US United States 55->148 150 162.0.210.44 ACPCA Canada 55->150 82 C:\Program Files (x86)\...\Qyjuretoho.exe, PE32 55->82 dropped 84 C:\...\Qyjuretoho.exe.config, XML 55->84 dropped 86 C:\Users\user\AppData\...86uroritolu.exe, PE32 55->86 dropped 90 2 other files (none is malicious) 55->90 dropped 212 Searches for Windows Mail specific files 55->212 74 irecord.exe 55->74         started        file15 signatures16 process17 dnsIp18 140 198.13.62.186 AS-CHOOPAUS United States 65->140 176 Query firmware table information (likely to detect VMs) 65->176 92 C:\Users\user\AppData\Local\...\prolab.tmp, PE32 69->92 dropped 142 172.217.19.100 GOOGLEUS United States 72->142 94 C:\Users\user\AppData\Local\...\irecord.tmp, PE32 74->94 dropped file19 signatures20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ff4a3e44fcd1cfbbf10ac318aca7559e0c20d0563e11e8a98e21e09e97ca68d3/
Threat name:
Win32.Trojan.Fabookie
Create hunting rule
Status:
Malicious
First seen:
2021-05-24 17:57:09 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=75fd4rh42hh3x4ikymmkzj2vtygcbucwhyi6rkmoehqj5f6kndjq._file
Verdict:
malicious
Similar samples:
0e63f296fdc309cb1e487cd1a549d029d2a9144b8a050db274901030dc6ec0f3
ArkeiStealer
2c44f7515715ebafdc7bb8cf40adf36adce1e1bf7fd2555d56427a6d73a850d8
ArkeiStealer
3b36f51b91f67c01015777197970e7ea37e291ff8b6401a853e9582b0a1d90cb
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864ef1321215c0dad7c8677e3c18942b111468c63358475baa71fb1679c25096
ArkeiStealer
9c8057521a53904ce86837434f6ca9075fea66d1c31914db6a6b49f68649191f
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a28956c03af41c83a80a84889bd4b2528c3842f14ca44d7c2d3362cbaa036b8d
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cb3c387163302fbf8ddb4c13e9d786c1070a4185a74bdd3faebd1649d02b2b30
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e13ba9f6e63e4013b75c3d45b012d8cbdda80913669bdd10942828b05d66e798
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e6e11a92390d1e01775514d1a4f047f5b94471070a07bf82b6e9fe5c547d55a8
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f91c7c2e15b7343d97bc5c3961f43ebd659440102a4a9c3359d7a9e6e0aef9d3
ArkeiStealer
+ 28 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:plugx family:redline family:vidar discovery evasion infostealer persistence spyware stealer trojan upx vmprotect
Link:
https://tria.ge/reports/210524-9q18ks4zz2/
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: 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
Program crash
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
Enumerates connected drives
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
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
RedLine
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/ff4a3e44fcd1cfbbf10ac318aca7559e0c20d0563e11e8a98e21e09e97ca68d3

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_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 ff4a3e44fcd1cfbbf10ac318aca7559e0c20d0563e11e8a98e21e09e97ca68d3

(this sample)

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

Comments


Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-24 18:03:45 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