MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c91c21b12a90904ae3fdfeb66c25a2a86287cea01c4a3866834dabe752912494. 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: 12


Intelligence 12 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c91c21b12a90904ae3fdfeb66c25a2a86287cea01c4a3866834dabe752912494
SHA3-384 hash: 5f70c4c9bc1cdc8d5d6f9deeaa25c74e55b029650346c67baf745fc8bea34ae47fde89bea6c388cf44d61a92235a7bb8
SHA1 hash: 9ffc19d4b318840fac86b1041207f5c9bed6cd9a
MD5 hash: 7c75758934a2ecba35f94d947d6fdff1
humanhash: charlie-beryllium-march-washington
File name:Recibo de comprobante de crédito y liquidación de anticipos garantías.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:687'616 bytes
First seen:2021-10-02 06:56:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:5qdWPbQ+X8+UiDLbRHahg2uWYcG6AuOYtsuK0RJT7SV6jTcifMx:ACbQ+X8+UiDLbRHahg2icF8YtrvTWpW+
Threatray 10'592 similar samples on MalwareBazaar
TLSH T1DDE47C58E22FD76AFD1923F0223CFCD019F82A69147CFA27BDA650E27489E3151B0657
File icon (PE):PE icon
dhash icon 170f0f170f0f0771 (1 x AgentTesla)
Reporter abuse_ch
Tags:AgentTesla ESP exe geo Telegram

Intelligence

File Origin
# of uploads :
1
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Recibo de comprobante de crédito y liquidación de anticipos garantías.exe
Verdict:
Malicious activity
Analysis date:
2021-10-02 07:00:13 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/98af11d0-7e01-4460-a341-bac37787e400

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/194128/
Detection(s):
SecuriteInfo.com.Variant.Fonctuzim.1.13267.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.PackedNET.1068-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2b55bbba-31a7-45f6-8056-42204ee910b8
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/863085
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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: Powershell Defender Exclusion
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 steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 495509 Sample: Recibo de comprobante de cr... Startdate: 02/10/2021 Architecture: WINDOWS Score: 100 43 Yara detected AgentTesla 2->43 45 Yara detected Telegram RAT 2->45 47 Yara detected AntiVM3 2->47 49 7 other signatures 2->49 7 Recibo de comprobante de cr#U00e9dito y liquidaci#U00f3n de anticipos garant#U00edas.exe 4 2->7         started        11 kmk.exe 3 2->11         started        13 kmk.exe 2 2->13         started        process3 dnsIp4 33 192.168.2.1 unknown unknown 7->33 51 Adds a directory exclusion to Windows Defender 7->51 53 Injects a PE file into a foreign processes 7->53 15 Recibo de comprobante de cr#U00e9dito y liquidaci#U00f3n de anticipos garant#U00edas.exe 2 5 7->15         started        19 powershell.exe 17 7->19         started        55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->55 57 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->57 21 kmk.exe 11->21         started        23 kmk.exe 11->23         started        25 kmk.exe 11->25         started        signatures5 process6 file7 29 C:\Users\user\AppData\Roaming\kmk\kmk.exe, PE32 15->29 dropped 31 C:\Users\user\...\kmk.exe:Zone.Identifier, ASCII 15->31 dropped 35 Tries to steal Mail credentials (via file access) 15->35 37 Tries to harvest and steal browser information (history, passwords, etc) 15->37 39 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->39 41 Installs a global keyboard hook 15->41 27 conhost.exe 19->27         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c91c21b12a90904ae3fdfeb66c25a2a86287cea01c4a3866834dabe752912494/
Threat name:
ByteCode-MSIL.Trojan.Heracles
Create hunting rule
Status:
Malicious
First seen:
2021-10-02 06:57:12 UTC
AV detection:
16 of 45 (35.56%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zeocdmjkscievy75723gyjncvbriptvadrfdqzudjwv6ouureska._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0977a8fcfc104e2ab162f63f36e287f7f004f0187fb4c2a9dc0841bfbc4a0975
AgentTesla
24b60008050f342ffb0e3456dd968c6cf51d1d6b7ebaa55a913121eba78dc29b
AgentTesla
76d2b2fe45e16137a7efe7400d8234516163ae9604cce1f10584d53f3907e9a1
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7bccf288fd0f23a0ed1f1582ff2e5109b453c2bc01eda749bfe55a900f5b47b2
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a10a45da3ee37b2f927fe57f3ac25f04cc79a4d08f69a91f8969652af9114871
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b2d650760a9ae5850dd4d5accdf1c252b36976cb5401d50ac4f07e0dff750031
AgentTesla
bbc4a223ff1aa2330e937fe4090732ec2743957f01529bebbceef20a7db5a932
AgentTesla
bd9455da30d6335b0dffe00aa01a1d46cc6bdecc1cf91076e846038369603e43
AgentTesla
e70ececee876665e0207b269f3b979c8edaaca83b6b60a569ff37211382540b5
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f2c70a3f2300b0acf6d12d5f50cd4aff4520f73270b971010329b8177ef3bb9b
AgentTesla
+ 10'582 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/211002-hqx1aaeacq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1360033246:AAF6H8m6YrL09doyxtsvJzZ_cIl__BCF4aU/sendDocument
Unpacked files
SH256 hash:
8284626bb324db0a4b2516f9b5dc1da92a26e6315f7a2fe771079a99021125fe
MD5 hash:
eaddb22aa4c81beb01cd9f45fb47809c
SHA1 hash:
dca3c2c7c76f332ad5cf31ab7be227de4e0aa6c8
Link:
https://www.unpac.me/results/0f4f118c-b8b4-4fb5-bebd-95e0afa089f1/
SH256 hash:
fbc02c3151bf5e0071db721f9d02b2003f896d4d14a6f4e91a336b386c678e04
MD5 hash:
1e302f38d0015490410265839870145a
SHA1 hash:
d87da41895d82b0254df1b42135df2a71a3a4645
Link:
https://www.unpac.me/results/0f4f118c-b8b4-4fb5-bebd-95e0afa089f1/
Parent samples :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 hash:
d44e37c3c1fa5173b8aaeba95b227255fb59255ecd37661bfa4a90d8dade8777
MD5 hash:
f81ea734744ad487fb968716965bbf1d
SHA1 hash:
ca2780a98673549ec12487fda6c72d903374eccb
Link:
https://www.unpac.me/results/0f4f118c-b8b4-4fb5-bebd-95e0afa089f1/
SH256 hash:
c8f344d46dc30ce6d217353176ea8ed0a7b6fdaf8d94dcf56588042adf7d47f6
MD5 hash:
26924e56b12421db48f95371dd0c102c
SHA1 hash:
c29fcdec31428aa13660c5d0a15ecc32d680d7f9
Link:
https://www.unpac.me/results/0f4f118c-b8b4-4fb5-bebd-95e0afa089f1/
SH256 hash:
c91c21b12a90904ae3fdfeb66c25a2a86287cea01c4a3866834dabe752912494
MD5 hash:
7c75758934a2ecba35f94d947d6fdff1
SHA1 hash:
9ffc19d4b318840fac86b1041207f5c9bed6cd9a
Link:
https://www.unpac.me/results/0f4f118c-b8b4-4fb5-bebd-95e0afa089f1/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/c91c21b12a90/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/c91c21b12a90904ae3fdfeb66c25a2a86287cea01c4a3866834dabe752912494

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Telegram_Exfiltration_Via_Api
Create hunting rule
Author:lsepaolo
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

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/194128/

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