MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b90922b5e35d6368d5ae449c45a111323f5d3b883416b0c13df5c1ecaa25d9bf. 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: 16


Intelligence 16 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b90922b5e35d6368d5ae449c45a111323f5d3b883416b0c13df5c1ecaa25d9bf
SHA3-384 hash: 9c2833534513debe4e595917e33e0a632946f23f0f033a0fea559eae90133c9d5fe31cdcd4dd82160f11a81de4c29c15
SHA1 hash: a02ef8dadde0596702f8792a6906320b30e2fa22
MD5 hash: 59447e7eb854c5883e64cd6cd2656e11
humanhash: montana-indigo-mango-aspen
File name:SecuriteInfo.com.Win32.PWSX-gen.16149.12119
Download: download sample
Signature AgentTesla
Create hunting rule
File size:462'336 bytes
First seen:2023-11-16 12:52:32 UTC
Last seen:2023-11-20 08:53:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:74JNW3TamlJANxO5Qa+VppbnoU0o3+c6oI:74JNWjVJA85IpbnoU33ry
Threatray 3'321 similar samples on MalwareBazaar
TLSH T14FA4F1A963A98625DFFF22BBF4A132021F74D4C96422FB57998C4AF61D127811F2431F
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 SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
315
Origin country :
FR FR
Vendor Threat Intelligence
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/458832/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.16149.12119.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a window
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/655610b00122f58791f9e7a1/reports/feabeb56-0c42-47d2-b25e-daf59437a340/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b90922b5e35d6368d5ae449c45a111323f5d3b883416b0c13df5c1ecaa25d9bf
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f76726a2-ecf8-4aaf-937f-77f52272b1b8
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1343577
Signature
.NET source code contains potential unpacker
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b90922b5e35d6368d5ae449c45a111323f5d3b883416b0c13df5c1ecaa25d9bf
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b90922b5e35d6368d5ae449c45a111323f5d3b883416b0c13df5c1ecaa25d9bf/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xeesfnpdlvrwrvnoisoeliirgi7v2o4igqllbqj56xa6zkrf3g7q._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
Similar samples:
07e1a7c7db48634dab70556d466ed0b8b4da85b28529b2b263a0a46b3f04dd10
AgentTesla
56cb155038e669d3008542380999cc6679800ece2b258cab31ff838e6df4415e
AgentTesla
79d976cea79bce9e0f920d918af0f1b0721266ca091633ae37811e088b04d1ec
AgentTesla
b7d6a1034526c45dcdd4f88061de0b13047d330a97ed1d5466d7717190db8ccd
AgentTesla
b90922b5e35d6368d5ae449c45a111323f5d3b883416b0c13df5c1ecaa25d9bf
AgentTesla
ca528eb30885238a7e594075c68afe244602e2438da103c98ddd81cbdeaffa2e
AgentTesla
fb88365884043fb264c0bb3d9291a58cfd5955468f35bfe77154b316981bdaa6
AgentTesla
+ 3'311 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231116-p4l89sca47/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
AgentTesla
Unpacked files
SH256 hash:
4c76639619743092f6e3671d2b6b3606c1b1397b6b9611dfe2dc9cdb723869b5
MD5 hash:
3de7242ae4cfe8a84e1cf2ff6c72627c
SHA1 hash:
f2808d857a80bcd0d9f421b5638a3d05735f36d0
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/bc01c885-d111-44f7-80f8-e82b07815ecd/
SH256 hash:
c92d5faa6ac9d6fd393ba59dc84f1e8eecc40231ec9a4dbeb493d63f36fbd5a2
MD5 hash:
11b78878789a61068d74201250bead62
SHA1 hash:
f253480f092857db6a2f8c235b1d8f5841078758
Link:
https://www.unpac.me/results/bc01c885-d111-44f7-80f8-e82b07815ecd/
SH256 hash:
c5b0e9d5e70c12c5530943abf70451eadf9b9de8ddfaac4bc7234dbc580b6e5c
MD5 hash:
a7770cd05872881f3e47e8a9041748fd
SHA1 hash:
7606e077fdeb8dc5fbffbf428260baba4f0ba470
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
Link:
https://www.unpac.me/results/bc01c885-d111-44f7-80f8-e82b07815ecd/
Parent samples :
07e1a7c7db48634dab70556d466ed0b8b4da85b28529b2b263a0a46b3f04dd10
b90922b5e35d6368d5ae449c45a111323f5d3b883416b0c13df5c1ecaa25d9bf
0bc70feb553bde362d94c650261f67ba9c56502ad04c838ff2d7c4fc49a45fb1
6fd650e4f7d88a81503ca6a6ba8d21abbdd0a6d14086bfff03d1b5cc89625eaf
5c7d5f2261c2faa3edb70a55eb5a53deb84557f80d7fa339d5ec82999f1ed213
d5fae927a1a1b6e3d99a1f3df7102c77ae2be31680ea655d118323b02b04a47b
SH256 hash:
685db9b15d91df79b9db34e373298f52fefaea7bb169ab155cc03506168db913
MD5 hash:
2ce7fc4ac3c4fae2644c1c7f8e821090
SHA1 hash:
46a3cb2a695ad3332121467ef1fe6d5104fd6804
Link:
https://www.unpac.me/results/bc01c885-d111-44f7-80f8-e82b07815ecd/
SH256 hash:
f4c1c59d30eef527e0e2ba78684e223354407115bd7dc85f6f62d083aad9ea80
MD5 hash:
b8be3578091015348385e044287d5a7a
SHA1 hash:
209c4a813abda8cd7669e08018b7ba8d20b97309
Link:
https://www.unpac.me/results/bc01c885-d111-44f7-80f8-e82b07815ecd/
SH256 hash:
b90922b5e35d6368d5ae449c45a111323f5d3b883416b0c13df5c1ecaa25d9bf
MD5 hash:
59447e7eb854c5883e64cd6cd2656e11
SHA1 hash:
a02ef8dadde0596702f8792a6906320b30e2fa22
Link:
https://www.unpac.me/results/bc01c885-d111-44f7-80f8-e82b07815ecd/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b90922b5e35d/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/b90922b5e35d6368d5ae449c45a111323f5d3b883416b0c13df5c1ecaa25d9bf

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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.

Cape
Cape
https://www.capesandbox.com/analysis/458832/

Comments