MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f71af06e8f674d310848808e534fa137fee1dbdfdf29779ae7aa11131a6f938. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2f71af06e8f674d310848808e534fa137fee1dbdfdf29779ae7aa11131a6f938
SHA3-384 hash: c3ac5377e5e5bbe07ee05255c790f1c47949bedc7c9c6917455b59cf034a71ac5301e0c6f74513b6d4546f6f645ddc82
SHA1 hash: 32ab650cc6984c2f807e808056087471db299036
MD5 hash: 1eeec5a739dd85ab1c727ac11dc2958c
humanhash: foxtrot-connecticut-spaghetti-delta
File name:HLCL Sh# 66052185 Doc#.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:967'680 bytes
First seen:2021-04-29 20:53:58 UTC
Last seen:2021-04-29 21:04:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:1qrTTbBq4LDr47jEstAph/Gih+RZdNltzKLGyIyUvx:1qrTXLDUHBAphOiYZdNl3nD
Threatray 4'322 similar samples on MalwareBazaar
TLSH FF25D0222708BF59E07D8378A1245A0893F5FE4BD726DE9E7DE411CE2D21E418B67723
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
2
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/146842/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.688-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/703252
Signature
.NET source code contains potential unpacker
.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
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 400548 Sample: HLCL Sh# 66052185 Doc#.exe Startdate: 29/04/2021 Architecture: WINDOWS Score: 100 28 Found malware configuration 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected AgentTesla 2->32 34 7 other signatures 2->34 6 HLCL Sh# 66052185 Doc#.exe 3 2->6         started        10 Nwefile.exe 3 2->10         started        12 Nwefile.exe 2 2->12         started        process3 file4 22 C:\Users\...\HLCL Sh# 66052185 Doc#.exe.log, ASCII 6->22 dropped 36 Injects a PE file into a foreign processes 6->36 14 HLCL Sh# 66052185 Doc#.exe 2 5 6->14         started        38 Multi AV Scanner detection for dropped file 10->38 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->40 42 Machine Learning detection for dropped file 10->42 44 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->44 18 Nwefile.exe 2 10->18         started        20 Nwefile.exe 2 12->20         started        signatures5 process6 file7 24 C:\Users\user\AppData\Roaming\...24wefile.exe, PE32 14->24 dropped 26 C:\Users\user\...26wefile.exe:Zone.Identifier, ASCII 14->26 dropped 46 Tries to harvest and steal browser information (history, passwords, etc) 14->46 48 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->48 signatures8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2f71af06e8f674d310848808e534fa137fee1dbdfdf29779ae7aa11131a6f938/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-04-27 18:42:25 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=f5y26bxi6z2ngeeeraeoknh2cn764hn57xzjo6nopkqrcmng7e4a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
29ebec67d2006c81333565581d8c2b123a3fbeee5123180b25feccb3b02f838e
AgentTesla
306e5b34b75ce392b55691abcda73d75d7f8717e286cadc36c5582c7ebde621b
AgentTesla
326267c4f5c3018d845a661a8fad196837d7245b6ed5629d22d43334b588c0ed
AgentTesla
6219cac062c9ce9f7b909b0e77068c0953711dab88c70015aea27e7c860a0e1e
AgentTesla
a31924a3f39126f3f253c75ea5b787a4756b885828916ff5bd5b1c9ca9b95c59
AgentTesla
acef7155f56a1434770c602a92ebf4945474ad85e9382df19ff5d3ffee461423
AgentTesla
d22703e680337df8913d30ae6c72d715f6f726ad87d6fd5a847088d67c7ae608
AgentTesla
ead0f6ef88c149f4318129ed6e3ef5fb30bd2ab03afef3625ca08d1b2f6f180e
AgentTesla
f6398abe67fd7faeccf89de7f810ee2767ee05f96a13821ba48f609aad5da75e
AgentTesla
fb1c77156c32d3643f2b21550110a48c3bbf869d2f0aa099b7400646e1fcaeb5
AgentTesla
+ 4'312 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/210429-tt689xkswa/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
11cf5a51e593c007ff4f91294cf505ffd5e425e56387c60d81e6479cc284cc3b
MD5 hash:
73cc3f7e7700e6a54cb5f291dffe5aa1
SHA1 hash:
09174f9fa55c9bac0540efb7a8c682878a32d02d
Link:
https://www.unpac.me/results/42dc58aa-b4ac-45a0-8936-ad7d21aa0754/
SH256 hash:
2f71af06e8f674d310848808e534fa137fee1dbdfdf29779ae7aa11131a6f938
MD5 hash:
1eeec5a739dd85ab1c727ac11dc2958c
SHA1 hash:
32ab650cc6984c2f807e808056087471db299036
Link:
https://www.unpac.me/results/42dc58aa-b4ac-45a0-8936-ad7d21aa0754/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2f71af06e8f674d310848808e534fa137fee1dbdfdf29779ae7aa11131a6f938

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 f36bf166db180b32248bef2700f12b86db604d6594114ec3f102348026fa1f28

AgentTesla

Executable exe 2f71af06e8f674d310848808e534fa137fee1dbdfdf29779ae7aa11131a6f938

(this sample)

  
Dropped by
MD5 83e32e02705127085787514a249ff4c7
  
Dropped by
SHA256 f36bf166db180b32248bef2700f12b86db604d6594114ec3f102348026fa1f28
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/146842/

Comments