MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c1b93a9ca54eb11ff6c1ff50f4f196c2aa3acd8a08876a2ff46855b59f8b4d5. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4c1b93a9ca54eb11ff6c1ff50f4f196c2aa3acd8a08876a2ff46855b59f8b4d5
SHA3-384 hash: ff2f382e4cdfdb334a2081633210af4a4797c363a9bf03b55f42195de0f0fe33352db8466f011c399115abee608ec934
SHA1 hash: 3cd5c8b3c33996ee5302b239af28dec82c89b889
MD5 hash: 9f7c8916d87e22eb866184ee3d9b5119
humanhash: arkansas-four-alabama-oregon
File name:oqtAAoZIgotLwLS.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'124'864 bytes
First seen:2022-09-30 14:58:25 UTC
Last seen:2022-09-30 15:00:06 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 12288:ypPXpPplqyNbtOG7yJ3VIFYpnCMMvQOT4gM0z14z/mb4C7bU6puJzusFpVMm0GgT:yp/prqnG7yJ3VU4noo5Mbb5kJimufM
Threatray 19'962 similar samples on MalwareBazaar
TLSH T10C3501331BDA8F07D225B7F881D1C6B6A7A98D11E163C2975BCA5C9FF086B21D760321
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 cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
263
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/315214/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.389.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
packed
Link:
https://www.filescan.io/uploads/6337043749c58ce767c4436f/reports/4149bb3e-8f16-4910-b200-80e5e8c3a935/overview
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/0f788b94-cb9a-42a4-8009-c4a32ff78c7e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1080982
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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 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 / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4c1b93a9ca54eb11ff6c1ff50f4f196c2aa3acd8a08876a2ff46855b59f8b4d5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-09-28 01:53:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jqnzhkokktvrd73md72q6tyznqvkhlgyucehnix7i2cvwwpywtkq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
440d7baaa7f6f905564990cdca6d95d66c7139d03832a1fea2449333dbce0571
AgentTesla
7161a182643b322144e31fe19128eb7fdcac2a19333120e05c128b17a71d30a5
AgentTesla
71720ec77fe5f1bf93446abc71b1ae23da1e5bff3d45ca6eb0d52e8739e4a155
AgentTesla
ab91459253a14ca086ed1b79f0958b331fc09b7d611ef953ca85c045ff43024e
AgentTesla
d5af77fbabd67255d4d1f3e31f0379496c8dd2401198f663e9dc25c64851d5e2
AgentTesla
daca523d37b251d259d535362a6aaf8be46a63f54f22fa09f8039e79f2eb5c44
AgentTesla
+ 19'952 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220930-scqddsegfl/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e70f9876-6f6b-4622-b6fb-9d6ff1d6182b
Unpacked files
SH256 hash:
9143af7132c60fce8ba26be035ac605055fd3807b543ad27c2bdaa1f9812ade3
MD5 hash:
da29f7c0b64cee6c486d957a9a615564
SHA1 hash:
ce2983bccb140903da1be5f87537a2901e81c2ab
Link:
https://www.unpac.me/results/4ff21fbe-5f3f-4e98-acb3-20814fb496c8/
SH256 hash:
2470b39032f6182252039c88199016566b0de30c6aa02163a143427afedd12af
MD5 hash:
c3a1924684ca30ed22234ce1d9111dfc
SHA1 hash:
7347706241422758c06440fd6044ae4e042b456b
Link:
https://www.unpac.me/results/4ff21fbe-5f3f-4e98-acb3-20814fb496c8/
SH256 hash:
b13effd005372c36ed7f1cf3bb05efce2311416a009d95e84cce8dcd98019c97
MD5 hash:
7a5ac5368fdfc439f2272645c5046f24
SHA1 hash:
43c4376db2a119238a36e27a62449ad54a1f48a6
Link:
https://www.unpac.me/results/4ff21fbe-5f3f-4e98-acb3-20814fb496c8/
SH256 hash:
298991d9dedd2c481de5b63ddd7cf49881cba1b41d981692ece9f13aeb088aa3
MD5 hash:
034cf5a611c2a3a55ef30d783401022c
SHA1 hash:
4153c2b775fbdfea933877cdfa88177adc1fbf02
Link:
https://www.unpac.me/results/4ff21fbe-5f3f-4e98-acb3-20814fb496c8/
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
Link:
https://www.unpac.me/results/4ff21fbe-5f3f-4e98-acb3-20814fb496c8/
SH256 hash:
4c1b93a9ca54eb11ff6c1ff50f4f196c2aa3acd8a08876a2ff46855b59f8b4d5
MD5 hash:
9f7c8916d87e22eb866184ee3d9b5119
SHA1 hash:
3cd5c8b3c33996ee5302b239af28dec82c89b889
Link:
https://www.unpac.me/results/4ff21fbe-5f3f-4e98-acb3-20814fb496c8/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4c1b93a9ca54/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/4c1b93a9ca54eb11ff6c1ff50f4f196c2aa3acd8a08876a2ff46855b59f8b4d5

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: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

gz 808589f981159ac3df335a85e837532be6895457e0e9a558500588d367dcb5c8

AgentTesla

Executable exe 4c1b93a9ca54eb11ff6c1ff50f4f196c2aa3acd8a08876a2ff46855b59f8b4d5

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 808589f981159ac3df335a85e837532be6895457e0e9a558500588d367dcb5c8
Cape
Cape
https://www.capesandbox.com/analysis/315214/
  
Dropped by
MD5 fcf02e0932c693c5765834ca04577d01

Comments