MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6e91ea05f6e530c2092d498bc56c7de9fe1cc16e74538c9ace01c3c2b79ee74d. 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


AgentTesla


Vendor detections: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6e91ea05f6e530c2092d498bc56c7de9fe1cc16e74538c9ace01c3c2b79ee74d
SHA3-384 hash: e11ab14b1d14da79c9e8f2c10f3d8b432e581165e29e3e3c31989ef702fb0c78735c7141ca4b31d7fdd3a60b2d9a5276
SHA1 hash: d8074d7f5ee3af276f4bd7a5ad4764f359b05f8e
MD5 hash: a0fedc8241621833866287d8542eb09e
humanhash: washington-tennessee-london-fourteen
File name:kZXV9aktL3puTKx.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:613'376 bytes
First seen:2022-11-30 12:17:46 UTC
Last seen:2022-11-30 14:39:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Xq7ucPtKw5a/GUySRpjOmpCTcS2GnrzMrz:XqisF2VySHOmkz7ni
Threatray 22'664 similar samples on MalwareBazaar
TLSH T144D4F76287B1C916F93388EEA2EC5B555C6851C149B84849CC173E805E78CAFF4FC9FA
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
187
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
kZXV9aktL3puTKx.exe
Verdict:
Malicious activity
Analysis date:
2022-11-30 12:19:38 UTC
Tags:
keylogger stealer agenttesla
Link:
https://app.any.run/tasks/67b1079e-abcd-416f-b87e-e750785dbddc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/340107/
Detection(s):
Sanesecurity.Rogue.0hr.20221130-0842.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/638749fc5be128ac718ff282/reports/80f5d409-020b-440d-b49a-e17bc274a7c4/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/12665613-00c6-4ca7-b127-f66381d7358a
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1123948
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to detect sandboxes / dynamic malware analysis system (file name check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 756671 Sample: kZXV9aktL3puTKx.exe Startdate: 30/11/2022 Architecture: WINDOWS Score: 100 60 Snort IDS alert for network traffic 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Sigma detected: Scheduled temp file as task from temp location 2->64 66 10 other signatures 2->66 7 kZXV9aktL3puTKx.exe 7 2->7         started        11 PrFzUtEAsPbbf.exe 5 2->11         started        13 MYAPP.exe 2 2->13         started        15 MYAPP.exe 2->15         started        process3 file4 42 C:\Users\user\AppData\...\PrFzUtEAsPbbf.exe, PE32 7->42 dropped 44 C:\...\PrFzUtEAsPbbf.exe:Zone.Identifier, ASCII 7->44 dropped 46 C:\Users\user\AppData\Local\...\tmpA5DD.tmp, XML 7->46 dropped 48 C:\Users\user\...\kZXV9aktL3puTKx.exe.log, ASCII 7->48 dropped 82 Uses schtasks.exe or at.exe to add and modify task schedules 7->82 84 Writes to foreign memory regions 7->84 86 Allocates memory in foreign processes 7->86 88 Adds a directory exclusion to Windows Defender 7->88 17 MSBuild.exe 17 5 7->17         started        22 powershell.exe 21 7->22         started        24 schtasks.exe 1 7->24         started        90 Multi AV Scanner detection for dropped file 11->90 92 Machine Learning detection for dropped file 11->92 94 Injects a PE file into a foreign processes 11->94 26 MSBuild.exe 11->26         started        28 schtasks.exe 11->28         started        96 Tries to detect sandboxes / dynamic malware analysis system (file name check) 13->96 30 conhost.exe 13->30         started        32 conhost.exe 15->32         started        signatures5 process6 dnsIp7 50 api.telegram.org 149.154.167.220, 443, 49700, 49702 TELEGRAMRU United Kingdom 17->50 52 api.ipify.org.herokudns.com 52.20.78.240, 443, 49699 AMAZON-AESUS United States 17->52 58 2 other IPs or domains 17->58 40 C:\Users\user\AppData\Roaming\...\MYAPP.exe, PE32 17->40 dropped 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->68 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->70 72 May check the online IP address of the machine 17->72 80 2 other signatures 17->80 34 conhost.exe 22->34         started        36 conhost.exe 24->36         started        54 3.232.242.170, 443, 49701 AMAZON-AESUS United States 26->54 56 api.ipify.org 26->56 74 Tries to steal Mail credentials (via file / registry access) 26->74 76 Tries to harvest and steal ftp login credentials 26->76 78 Tries to harvest and steal browser information (history, passwords, etc) 26->78 38 conhost.exe 28->38         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6e91ea05f6e530c2092d498bc56c7de9fe1cc16e74538c9ace01c3c2b79ee74d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-30 07:24:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
28 of 41 (68.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n2i6ubpw4uymecjnjgf4k3d55h7bzqloorjyzgwoahb4fn4645gq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
07409207c9d9ff74fb335683ac5fc6060185619b28f318262460382c0078a1bf
AgentTesla
1015fb1f960c808990e8911a5a4de7ac50d31812a71dc298f357dc668a5b794b
AgentTesla
4a18558d47715d4869b75f738052786c8b85681aea3ff093002cd6b9dfd55c1c
AgentTesla
6b59d76199d1a4888ca721964f26a896bc50924c48cf358534c05e371b084458
AgentTesla
a57374d0bb25cb057c57d294ae3389d1375f8111a9c0aec5ad8d52d7e953a2b1
AgentTesla
da0cd9ef9c9d409ee82e7d6e2ac1e06a806c128b2ea97ecc80443ceddbea04ab
AgentTesla
e3f743fb706abf616add3cf15faa3ebcb36b14c400952afd37485176e71eaa32
AgentTesla
f7318ba2fa1309d96755c3f7614b24f8ff05c3d14491f9becfab3b58f2be00d0
AgentTesla
+ 22'654 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/221130-pgln8aab36/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5453942321:AAF6CS9julQ6K7s5pxacNALwWJ2A52D0EC4/
Gathering data
Unpacked files
SH256 hash:
3624268b1bf67fd3f560f345e5171f3a2f8968a776c23816ea76fc0ef41b0f03
MD5 hash:
1619753b625e58c25b73fbf1f0bff482
SHA1 hash:
c0d7922bdbc10ef0ee1606a40c2dedd22cb180d4
Link:
https://www.unpac.me/results/207b7aff-a94f-4cfb-bba9-8f514c6cee82/
SH256 hash:
88a9bb73fbf20f8b448d4f68839b392e30dacd54bb6383856955016e5ada08fc
MD5 hash:
83da2fca7a89b097f686bf4167bbe183
SHA1 hash:
9d7a133a0349d2272ee453977a08b0546cc64911
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/207b7aff-a94f-4cfb-bba9-8f514c6cee82/
Parent samples :
2980f607058a2ba908559bdedbbd019edd4b52377e5f884d36a62bf9aac8be00
4e917ed708e6c20ca6f74372e37680aac6af8a9fc214e903ff4297438cf94261
8cdd2376c22a3f37faafe3a39f3730b7c03c9e641b729607ca2b083abbc3f05e
4a18558d47715d4869b75f738052786c8b85681aea3ff093002cd6b9dfd55c1c
6e91ea05f6e530c2092d498bc56c7de9fe1cc16e74538c9ace01c3c2b79ee74d
5fc28dba0030fcbcc62c9ca9c6da94dbecd6e50ee64f4f5380e6a73adf16f627
bd9e8e98b57be42915462ea8282987ebe17d779ead3d4c6461ec9e4d59150b3a
09f3a3ec989361e622f1ac9b42bc380846518c270dac7783e6e38aa1f12ccee4
bb504515c55056366648ad196e46f804221e248e4d41fda2ba3a243e23309794
SH256 hash:
c49d2d05c85ee8e3751e9aedc09763c31d7c9d32ad12eb71bee9f47cd06696be
MD5 hash:
3c4b098c8615bb7386d7a9ea4ceb5663
SHA1 hash:
81479e9e32076faf43bf81ef7abe521939971b85
Link:
https://www.unpac.me/results/207b7aff-a94f-4cfb-bba9-8f514c6cee82/
SH256 hash:
93dc7c3b5370543508812525d7c2f76dcb1af6fdbaa7a3790973503390476a45
MD5 hash:
4713978ae450f5a88c19ab781346939e
SHA1 hash:
6736ba19db3671ca5728a6dad66f228f27ac17ee
Link:
https://www.unpac.me/results/207b7aff-a94f-4cfb-bba9-8f514c6cee82/
SH256 hash:
340ba2312d5cdfc3d89f3f35f627187dcb406e5afea134bc76b04f52f4285df3
MD5 hash:
85f9290aa8900e9fd74b01ee23125706
SHA1 hash:
310eb5e4aea5471b74a6385f1da283b9d8e3d698
Link:
https://www.unpac.me/results/207b7aff-a94f-4cfb-bba9-8f514c6cee82/
SH256 hash:
6e91ea05f6e530c2092d498bc56c7de9fe1cc16e74538c9ace01c3c2b79ee74d
MD5 hash:
a0fedc8241621833866287d8542eb09e
SHA1 hash:
d8074d7f5ee3af276f4bd7a5ad4764f359b05f8e
Link:
https://www.unpac.me/results/207b7aff-a94f-4cfb-bba9-8f514c6cee82/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6e91ea05f6e5/report/overview.html
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/6e91ea05f6e530c2092d498bc56c7de9fe1cc16e74538c9ace01c3c2b79ee74d

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

AgentTesla

Executable exe 6e91ea05f6e530c2092d498bc56c7de9fe1cc16e74538c9ace01c3c2b79ee74d

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/340107/

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