MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6131b03eaf029cbe944219f41fc09fa65fbf15bac4de218ad1210bbc29e22772. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6131b03eaf029cbe944219f41fc09fa65fbf15bac4de218ad1210bbc29e22772
SHA3-384 hash: c17de963f71b429c13456eb2848edae47a2969c9682fb4eea78720b6d818ffaab7cc2c18584deed78b0061a707a86dbe
SHA1 hash: 553e5821d820712e9f75dc3003c393940a802558
MD5 hash: a4dfa27eaceae0a28664b2cb0d4dd639
humanhash: fruit-texas-zebra-tango
File name:PURCHASE ORDER.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:697'856 bytes
First seen:2022-05-23 18:18:04 UTC
Last seen:2022-05-24 06:00:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:B62iNYd+WZREo7ividPaZcIqCn+E08zstl/gk10kM10+KG3yuc:s1dWZRETKdPkYShs3mhjKG3yuc
Threatray 17'135 similar samples on MalwareBazaar
TLSH T176E402027694B82FD65C49F4C82496846FB39D6A21A0D6CF9CC6FCDE38F2BD25340697
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
329
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
PURCHASE ORDER.exe
Verdict:
Malicious activity
Analysis date:
2022-05-23 18:19:22 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/6bf42247-0907-4b12-a92a-eaae8881a96c

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/273840/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/628bcffa206e08161839f78d/reports/54715715-ffdb-4219-ae93-3097bf0dc498/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/b307dc8f-2266-4f43-a30e-3732605719d6
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1000135
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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)
Modifies the hosts file
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)
Snort IDS alert for network traffic
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 632628 Sample: PURCHASE ORDER.exe Startdate: 23/05/2022 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 14 other signatures 2->62 7 PURCHASE ORDER.exe 7 2->7         started        11 Tnpak.exe 2 2->11         started        13 Tnpak.exe 1 2->13         started        process3 file4 36 C:\Users\user\AppData\Roaming\mlmEeXSLN.exe, PE32 7->36 dropped 38 C:\Users\...\mlmEeXSLN.exe:Zone.Identifier, ASCII 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmpFBCB.tmp, XML 7->40 dropped 42 C:\Users\user\...\PURCHASE ORDER.exe.log, ASCII 7->42 dropped 64 Writes to foreign memory regions 7->64 66 Adds a directory exclusion to Windows Defender 7->66 68 Injects a PE file into a foreign processes 7->68 15 RegSvcs.exe 2 4 7->15         started        20 powershell.exe 24 7->20         started        22 schtasks.exe 1 7->22         started        24 conhost.exe 11->24         started        26 conhost.exe 13->26         started        signatures5 process6 dnsIp7 44 subnet-group.com 206.189.39.129, 49781, 587 DIGITALOCEAN-ASNUS United States 15->44 46 mail.subnet-group.com 15->46 32 C:\Users\user\AppData\Roaming\...\Tnpak.exe, PE32 15->32 dropped 34 C:\Windows\System32\drivers\etc\hosts, ASCII 15->34 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->48 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->50 52 Tries to steal Mail credentials (via file / registry access) 15->52 54 5 other signatures 15->54 28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6131b03eaf029cbe944219f41fc09fa65fbf15bac4de218ad1210bbc29e22772/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-23 18:19:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
58
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mey3apvpakol5fccdh2b7qe7uzp36fn2ytpcdcwreef3ykpce5za._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
4303985ee7b44ba9c01edd967873f8b12df0dcd267f48df10962b3368e01ff82
AgentTesla
528c91f11caf89a7331dd4ba3c599903ea8f6543b715aa1420f5c70099e4c964
AgentTesla
5a18c4c25f5d71cca3b5b6a1b525982644cd2b50e7257e0b3c1e70b1aac33977
AgentTesla
6a0cdf63baad32236d845d0027822d4e9c67ac4f9bddd9933ada09f9811dbca5
AgentTesla
d4b635a8116cc2929c800b1a83e9e05a8085ca8e483f06d6293f22420c96f656
AgentTesla
f1a566ebee3c225b2683813ce31c30f6e7648c1dcdd03c991a2d2e99c11bc6d7
AgentTesla
fc8da0b660e959586210bf588d5fb439b4d2495aabb1577a017320e027ee0b77
AgentTesla
+ 17'125 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer suricata trojan
Link:
https://tria.ge/reports/220523-wx565adggj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
AgentTesla
suricata: ET MALWARE AgentTesla Exfil Via SMTP
Unpacked files
SH256 hash:
1e0895d513729029ebf109bd72a370cdbef0b8850edb6260fd27d9914349c341
MD5 hash:
16988d70d84b4cee083e3be7ff714827
SHA1 hash:
d9813357a4f98547c6c3e1d6fd86523b3292fe4f
Link:
https://www.unpac.me/results/f4700414-963d-4f19-88b6-22cb14072be4/
SH256 hash:
fdd10fb67e6276b3d848c92d4686f56b2ecbea1d629795a241ca6306a2f62d55
MD5 hash:
f20fd214bbda1a459a3eb415eec86017
SHA1 hash:
c658f61e4f308a69a4509649439814166c655e84
Link:
https://www.unpac.me/results/f4700414-963d-4f19-88b6-22cb14072be4/
SH256 hash:
260b5fd8c93db7bf86e36b587079483233020e755074798ddbc40821a4afe0eb
MD5 hash:
13346af03b105b0b8f593724d6dc0c1d
SHA1 hash:
85c3722ba3a0cbe36b4a8997a9476bc498b7b3e7
Link:
https://www.unpac.me/results/f4700414-963d-4f19-88b6-22cb14072be4/
SH256 hash:
8c24fd32b39c6d30f504f4825a98209e76a38e0b21d4534e0f7e05fa593fe449
MD5 hash:
514a2ab97ac526b778724fd5894c8a95
SHA1 hash:
5cee839428ed4c980cbf9978280ba1692048fa8e
Link:
https://www.unpac.me/results/f4700414-963d-4f19-88b6-22cb14072be4/
SH256 hash:
8eea34761755bde6873f711d42e0cea8c3a08b702c192fb02749c0a6af01c7ec
MD5 hash:
41e199eb276a7ead0799dbf2948af888
SHA1 hash:
58e52db4474a979245a79d8f7686eff2f7be6f5f
Link:
https://www.unpac.me/results/f4700414-963d-4f19-88b6-22cb14072be4/
SH256 hash:
6131b03eaf029cbe944219f41fc09fa65fbf15bac4de218ad1210bbc29e22772
MD5 hash:
a4dfa27eaceae0a28664b2cb0d4dd639
SHA1 hash:
553e5821d820712e9f75dc3003c393940a802558
Link:
https://www.unpac.me/results/f4700414-963d-4f19-88b6-22cb14072be4/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6131b03eaf02/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/6131b03eaf029cbe944219f41fc09fa65fbf15bac4de218ad1210bbc29e22772

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

zip a71a9a1710a4070b0899a534a4a0c8602fc6e0000f0c67a7112f5f32b33669ca

AgentTesla

Executable exe 6131b03eaf029cbe944219f41fc09fa65fbf15bac4de218ad1210bbc29e22772

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/273840/
  
Dropped by
SHA256 a71a9a1710a4070b0899a534a4a0c8602fc6e0000f0c67a7112f5f32b33669ca
  
Dropped by
MD5 a36cf9189b09d98da8eb8ec2b0cf55e9

Comments