MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81018af4c22d2b0b73b5ce38dffddabae8e510ff407f437e64f98a093cc0d973. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81018af4c22d2b0b73b5ce38dffddabae8e510ff407f437e64f98a093cc0d973
SHA3-384 hash: 3d092ec5d092e24ce1f804de312066c35b250fd40e1723d1c0dc6496aa2b89b155f02b830d04723a43519cd05b37f91c
SHA1 hash: 57030b9dfcb4eb2ac4995e6f52a2a63d2bdb18b1
MD5 hash: 8e34024b8c1434babd9bb908ec2e3fad
humanhash: delaware-king-timing-fix
File name:GS_ PO NO.1862021.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:637'440 bytes
First seen:2021-04-13 10:08:21 UTC
Last seen:2021-04-13 18:25:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:oLazaCyaVHPCEvSHRFl2Hr7drpP40l5KE:oLanlHzvORP0pVQE
Threatray 3'912 similar samples on MalwareBazaar
TLSH 82D4D0F81A06DB1EC958A7B4484645E232E3BC8129CDE7C43DC43D9E759B206CAEF16D
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
GS_ PO NO.1862021.exe
Verdict:
Suspicious activity
Analysis date:
2021-04-13 10:11:08 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f87b7031-73bd-4c2c-909f-9f5d8b181dce

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/133942/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.PackedNET.646-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP request
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/674129
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Modifies the hosts 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)
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 access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 386008 Sample: GS_ PO NO.1862021.exe Startdate: 13/04/2021 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 Yara detected AgentTesla 2->51 53 3 other signatures 2->53 6 GS_ PO NO.1862021.exe 3 2->6         started        10 AvrzbM.exe 2 2->10         started        12 AvrzbM.exe 1 2->12         started        process3 file4 25 C:\Users\user\...behaviorgraphS_ PO NO.1862021.exe.log, ASCII 6->25 dropped 55 Writes to foreign memory regions 6->55 57 Injects a PE file into a foreign processes 6->57 14 RegSvcs.exe 2 4 6->14         started        19 RegSvcs.exe 6->19         started        21 conhost.exe 10->21         started        23 conhost.exe 12->23         started        signatures5 process6 dnsIp7 31 odessabd.com 192.185.90.36, 49734, 587 UNIFIEDLAYER-AS-1US United States 14->31 33 mail.odessabd.com 14->33 27 C:\Users\user\AppData\Roaming\...\AvrzbM.exe, PE32 14->27 dropped 29 C:\Windows\System32\drivers\etc\hosts, ASCII 14->29 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->35 37 Tries to steal Mail credentials (via file access) 14->37 39 Tries to harvest and steal ftp login credentials 14->39 45 3 other signatures 14->45 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 19->43 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/81018af4c22d2b0b73b5ce38dffddabae8e510ff407f437e64f98a093cc0d973/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-04-13 09:09:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
16 of 29 (55.17%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qeayv5gcfuvqw45vzy4n77o2xluokeh7ib7ug7te7gfaspga3fzq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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5c29c36108ddacf9bb8a014879d2683a7b63b304d4a2c381cafb1477ef7112fe
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60ea5d831209598cc0aebbd8d5f31f4bb43c29b054f565bbbcb5353b9c7ad06d
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81d4a8f888a6d81d95c4bd6f0a727f335f5064b445203acf298405baf6fecc29
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8512fc8573dfa04b285ab727c59db142972043d81866b485627bb5b15947af64
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8ffcf8ffaf14be0fec37f88fa1967ec34dbff332167545d4fcbefe63376da0b9
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8ffd510513cafe4d5b4812ef693f06dcff7dc4097cccacd1be4ca0d308f3494d
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b019e8d729a835b9834889650eb87183538da0a1ff600e138db6065efea24a57
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f0d328b8d12d32d2bc29faac2f18c30b74a2e99053113fe7e9d8068408e46299
AgentTesla
f97b20de4d8f123a11901c5dee2121c2c5b6f6d6baea3cb26404c53f5f681822
AgentTesla
+ 3'902 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/210413-cx44mpavys/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
5e0f3da625a479a5e7e807b5f09c889d95474139410b312ba3a39bcb05976729
MD5 hash:
3d20c2ea9ac04e1707f853bb1780bc18
SHA1 hash:
805e90b023eb92d44bbe11daefce6edbe872cb74
Link:
https://www.unpac.me/results/f45d81cc-ac82-42be-b8d0-accbdef03382/
SH256 hash:
81018af4c22d2b0b73b5ce38dffddabae8e510ff407f437e64f98a093cc0d973
MD5 hash:
8e34024b8c1434babd9bb908ec2e3fad
SHA1 hash:
57030b9dfcb4eb2ac4995e6f52a2a63d2bdb18b1
Link:
https://www.unpac.me/results/f45d81cc-ac82-42be-b8d0-accbdef03382/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.56
Link:
https://yomi.yoroi.company/submissions/81018af4c22d2b0b73b5ce38dffddabae8e510ff407f437e64f98a093cc0d973

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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.

Malspam

AgentTesla

zip ae2bc33c34e8b0f727538c55c64a1b316b477bf9ea27b29ab56ae18c75b7221e

AgentTesla

Executable exe 81018af4c22d2b0b73b5ce38dffddabae8e510ff407f437e64f98a093cc0d973

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 ae2bc33c34e8b0f727538c55c64a1b316b477bf9ea27b29ab56ae18c75b7221e
Cape
Cape
https://www.capesandbox.com/analysis/133942/

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