MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3cfb4f3c28821b32a5d0904657b78a98ab8ec59d6a3c6230e9e44598cd3d6904. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3cfb4f3c28821b32a5d0904657b78a98ab8ec59d6a3c6230e9e44598cd3d6904
SHA3-384 hash: c707e84c64507a794f26ef7d69e1ebabd78da9ff9cbbaed2d2503f8ad651c3623848599dc432ccbd565542570ad39ae5
SHA1 hash: 2b4efdd0093477563a601ff278e6c01f7b78fdca
MD5 hash: f0e3dc4422eb52162a55e8d8ffb9f6ee
humanhash: earth-fruit-lima-fourteen
File name:OOJHG6B7cVYv5YX.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:971'264 bytes
First seen:2023-07-10 06:05:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:e7LnM2Nt53sKrQfLJjbANveJDcuZIBG31db8bwlh2niQjktJghauUj+2PS:bflbAdeJgDKvobJiQiuUj+9
Threatray 4'672 similar samples on MalwareBazaar
TLSH T19225A53F18CAAD27D239E2967424EA5DF242B7C637A74B4EF7C21661943236933D108D
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter cocaman
Tags:AgentTesla DHL exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
269
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
OOJHG6B7cVYv5YX.exe
Verdict:
Malicious activity
Analysis date:
2023-07-10 06:07:12 UTC
Tags:
agenttesla rat
Link:
https://app.any.run/tasks/fe3b15b9-fa90-42ae-9086-9432fffe53a4

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/413358/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.61676221.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Restart of the analyzed sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/64ab9fcbef1403cd7500e4f5/reports/c3ccf774-5be0-4517-99b7-f209fd448b6c/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/3cfb4f3c28821b32a5d0904657b78a98ab8ec59d6a3c6230e9e44598cd3d6904
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/6975a7a1-0b61-4fd9-92bd-e899ca7116f4
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1270408
Signature
.NET source code contains very large strings
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
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1270408 Sample: OOJHG6B7cVYv5YX.exe Startdate: 11/07/2023 Architecture: WINDOWS Score: 100 42 Found malware configuration 2->42 44 Sigma detected: Scheduled temp file as task from temp location 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 4 other signatures 2->48 7 OOJHG6B7cVYv5YX.exe 6 2->7         started        11 sTLwKA.exe 2 2->11         started        13 qkKSSETz.exe 2 2->13         started        15 sTLwKA.exe 2 2->15         started        process3 file4 30 C:\Users\user\AppData\Roaming\qkKSSETz.exe, PE32 7->30 dropped 32 C:\Users\user\AppData\Local\...\tmpDB03.tmp, XML 7->32 dropped 34 C:\Users\user\...\OOJHG6B7cVYv5YX.exe.log, ASCII 7->34 dropped 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->58 60 May check the online IP address of the machine 7->60 62 Uses schtasks.exe or at.exe to add and modify task schedules 7->62 64 Injects a PE file into a foreign processes 7->64 17 OOJHG6B7cVYv5YX.exe 17 10 7->17         started        22 schtasks.exe 1 7->22         started        66 Multi AV Scanner detection for dropped file 11->66 68 Machine Learning detection for dropped file 11->68 signatures5 process6 dnsIp7 36 mail.kbakr.com 162.241.27.28, 49720, 49723, 587 UNIFIEDLAYER-AS-1US United States 17->36 38 api4.ipify.org 64.185.227.156, 443, 49719 WEBNXUS United States 17->38 40 2 other IPs or domains 17->40 26 C:\Users\user\AppData\Roaming\...\sTLwKA.exe, PE32 17->26 dropped 28 C:\Users\user\...\sTLwKA.exe:Zone.Identifier, ASCII 17->28 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->50 52 Tries to steal Mail credentials (via file / registry access) 17->52 54 Tries to harvest and steal browser information (history, passwords, etc) 17->54 56 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->56 24 conhost.exe 22->24         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3cfb4f3c28821b32a5d0904657b78a98ab8ec59d6a3c6230e9e44598cd3d6904/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-07-07 15:55:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ht5u6pbiqintfjoqsbdfpn4ktcvy5rm5ni6gemhj4rczrtj5neca._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
3c15327363831cc1f832ff3fc3156339c546dc72ace1342502b5826416adcd28
AgentTesla
4dd0f2964faae26b80ba53709db1c6892124d6abacd29356acf17eb38d1ae8a0
AgentTesla
7e781f414da0e2f65ca8c1a8a103a9b88d2d8e4d6c53998642f271e40b29ff68
AgentTesla
8dd7c62102a24ddff6447492b5981e7284ab841454e3f906bb0303eb4ec99c93
AgentTesla
9e7910da0fdefe5822be59e1084d1dffe2f4bcbd670d2bab6da75718653c69c0
AgentTesla
ef4dabd36f9807e3a556cd505515d60a09737d6314a7a09090075bc28261b27c
AgentTesla
fbc745c53390b016e0f8520fa691f4341559b57467515ea230ef7127232bce87
AgentTesla
+ 4'662 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230710-gtqvpsgh73/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
62091e8e96bdc68057b7d6ff6a57f2c1320139482f26e64c3e6a12476a437fa3
MD5 hash:
290516d3c25cf97d65936ff7c9465de2
SHA1 hash:
291cae1bd92487c943ef21d9c88b8f84cb4faed2
Link:
https://www.unpac.me/results/3e07cb47-bbd9-4959-8605-be86c6fabcdd/
SH256 hash:
a29d959cca991cdb6d49d377523af37a8f893a220ee977bb29b84813671fc322
MD5 hash:
c92a0db55bf142a6ec7fd5885b7f50b7
SHA1 hash:
1e85d52b9816db26348ebeb0516e2203ee269b82
Link:
https://www.unpac.me/results/3e07cb47-bbd9-4959-8605-be86c6fabcdd/
SH256 hash:
e2585a0534697809e6a01f78e0ea05d65ad10ca5ec295f771bb38ee3b03ea47d
MD5 hash:
f906809109ed19345bb1cbd6b328a3f5
SHA1 hash:
1d582ad1567d78d48630b17ea2ffeacf24668eda
Detections:
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/3e07cb47-bbd9-4959-8605-be86c6fabcdd/
Parent samples :
ef4dabd36f9807e3a556cd505515d60a09737d6314a7a09090075bc28261b27c
4dd0f2964faae26b80ba53709db1c6892124d6abacd29356acf17eb38d1ae8a0
3cfb4f3c28821b32a5d0904657b78a98ab8ec59d6a3c6230e9e44598cd3d6904
22a64964f41da02bf763bb8f548a42b3a76835e1b91486b32fa4fa384121d309
SH256 hash:
62091e8e96bdc68057b7d6ff6a57f2c1320139482f26e64c3e6a12476a437fa3
MD5 hash:
290516d3c25cf97d65936ff7c9465de2
SHA1 hash:
291cae1bd92487c943ef21d9c88b8f84cb4faed2
Link:
https://www.unpac.me/results/3e07cb47-bbd9-4959-8605-be86c6fabcdd/
SH256 hash:
a29d959cca991cdb6d49d377523af37a8f893a220ee977bb29b84813671fc322
MD5 hash:
c92a0db55bf142a6ec7fd5885b7f50b7
SHA1 hash:
1e85d52b9816db26348ebeb0516e2203ee269b82
Link:
https://www.unpac.me/results/3e07cb47-bbd9-4959-8605-be86c6fabcdd/
SH256 hash:
e2585a0534697809e6a01f78e0ea05d65ad10ca5ec295f771bb38ee3b03ea47d
MD5 hash:
f906809109ed19345bb1cbd6b328a3f5
SHA1 hash:
1d582ad1567d78d48630b17ea2ffeacf24668eda
Detections:
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/3e07cb47-bbd9-4959-8605-be86c6fabcdd/
Parent samples :
ef4dabd36f9807e3a556cd505515d60a09737d6314a7a09090075bc28261b27c
4dd0f2964faae26b80ba53709db1c6892124d6abacd29356acf17eb38d1ae8a0
3cfb4f3c28821b32a5d0904657b78a98ab8ec59d6a3c6230e9e44598cd3d6904
22a64964f41da02bf763bb8f548a42b3a76835e1b91486b32fa4fa384121d309
SH256 hash:
62091e8e96bdc68057b7d6ff6a57f2c1320139482f26e64c3e6a12476a437fa3
MD5 hash:
290516d3c25cf97d65936ff7c9465de2
SHA1 hash:
291cae1bd92487c943ef21d9c88b8f84cb4faed2
Link:
https://www.unpac.me/results/3e07cb47-bbd9-4959-8605-be86c6fabcdd/
SH256 hash:
a29d959cca991cdb6d49d377523af37a8f893a220ee977bb29b84813671fc322
MD5 hash:
c92a0db55bf142a6ec7fd5885b7f50b7
SHA1 hash:
1e85d52b9816db26348ebeb0516e2203ee269b82
Link:
https://www.unpac.me/results/3e07cb47-bbd9-4959-8605-be86c6fabcdd/
SH256 hash:
e2585a0534697809e6a01f78e0ea05d65ad10ca5ec295f771bb38ee3b03ea47d
MD5 hash:
f906809109ed19345bb1cbd6b328a3f5
SHA1 hash:
1d582ad1567d78d48630b17ea2ffeacf24668eda
Detections:
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/3e07cb47-bbd9-4959-8605-be86c6fabcdd/
Parent samples :
ef4dabd36f9807e3a556cd505515d60a09737d6314a7a09090075bc28261b27c
4dd0f2964faae26b80ba53709db1c6892124d6abacd29356acf17eb38d1ae8a0
3cfb4f3c28821b32a5d0904657b78a98ab8ec59d6a3c6230e9e44598cd3d6904
22a64964f41da02bf763bb8f548a42b3a76835e1b91486b32fa4fa384121d309
SH256 hash:
3cfb4f3c28821b32a5d0904657b78a98ab8ec59d6a3c6230e9e44598cd3d6904
MD5 hash:
f0e3dc4422eb52162a55e8d8ffb9f6ee
SHA1 hash:
2b4efdd0093477563a601ff278e6c01f7b78fdca
Link:
https://www.unpac.me/results/3e07cb47-bbd9-4959-8605-be86c6fabcdd/
Please note that we are no longer able to provide a coverage score for Virus Total.

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

zip edff708fc8fb47bd60e83e14d6fddbfb71b2d8a5d81262e512501e57ab703e04

AgentTesla

Executable exe 3cfb4f3c28821b32a5d0904657b78a98ab8ec59d6a3c6230e9e44598cd3d6904

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 edff708fc8fb47bd60e83e14d6fddbfb71b2d8a5d81262e512501e57ab703e04
Cape
Cape
https://www.capesandbox.com/analysis/413358/
  
Dropped by
MD5 18b12335e3816c8e0bd4e848481c4c09

Comments