MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 141a5b247877921ff5e4b58b0aeaa36e6e4de38d87599ee6956308e2b70589a5. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 141a5b247877921ff5e4b58b0aeaa36e6e4de38d87599ee6956308e2b70589a5
SHA3-384 hash: d781a1ad8914ab059634e2f0170a5f058863ab335d7d9f9066bbc31dc36d1ce082f927c87a353dc013397a687b70bb6b
SHA1 hash: 4927dedd804fbcfc605d87e19b9fd73487ef0e8f
MD5 hash: 3d15268483227137ec402523e248fd87
humanhash: whiskey-alanine-venus-mango
File name:PO_4500188776.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:746'544 bytes
First seen:2023-10-26 11:17:28 UTC
Last seen:2023-10-26 12:17:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:fCJ3CMumFgGcw8yMaIQ3CqnLqzXjVp4sg6zFTf28a7sP7r9r/+ppppppppppppp7:W7DCGv8yk/GLoHZY/7s1q
Threatray 824 similar samples on MalwareBazaar
TLSH T115F48D84F0D62591EC2AEBB1C776CF748663BEF96539A41D2CCE3E1337B75829611022
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)
File icon (PE):PE icon
dhash icon d4c4c4d8ccd4f0cc (241 x AgentTesla, 65 x Loki, 41 x Formbook)
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
347
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
PO_4500188776.exe
Verdict:
Malicious activity
Analysis date:
2023-10-26 11:35:20 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/92d9813c-e43a-4186-804c-995a48b6166f

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/456519/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.63267.10623.28381.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Launching the default Windows debugger (dwwin.exe)
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cryptojoker overlay packed
Link:
https://www.filescan.io/uploads/653a4aed6be5439aa5cd186e/reports/7849842a-5bc4-49f9-b90e-fe565d1fd4e3/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/141a5b247877921ff5e4b58b0aeaa36e6e4de38d87599ee6956308e2b70589a5
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/bbf0a2d7-8afe-4be4-8ca4-11021fd92838
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1332626
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large strings
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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)
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)
Sigma detected: Scheduled temp file as task from temp location
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)
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 dnsIp2 2 Behavior Graph ID: 1332626 Sample: PO_4500188776.exe Startdate: 26/10/2023 Architecture: WINDOWS Score: 100 42 discord.com 2->42 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->50 52 10 other signatures 2->52 8 PO_4500188776.exe 6 2->8         started        12 RsnmdcBKCV.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\RsnmdcBKCV.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmpEF4F.tmp, XML 8->40 dropped 54 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->54 56 Uses schtasks.exe or at.exe to add and modify task schedules 8->56 58 Writes to foreign memory regions 8->58 60 Injects a PE file into a foreign processes 8->60 14 RegSvcs.exe 15 2 8->14         started        18 RegSvcs.exe 8->18         started        20 schtasks.exe 1 8->20         started        62 Multi AV Scanner detection for dropped file 12->62 64 Machine Learning detection for dropped file 12->64 66 Allocates memory in foreign processes 12->66 22 RegSvcs.exe 2 12->22         started        24 schtasks.exe 1 12->24         started        26 RegSvcs.exe 12->26         started        28 2 other processes 12->28 signatures6 process7 dnsIp8 44 discord.com 162.159.136.232, 443, 49740, 49742 CLOUDFLARENETUS United States 14->44 30 WerFault.exe 22 16 14->30         started        68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->68 32 conhost.exe 20->32         started        70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->70 72 Tries to steal Mail credentials (via file / registry access) 22->72 74 Tries to harvest and steal browser information (history, passwords, etc) 22->74 34 WerFault.exe 22->34         started        36 conhost.exe 24->36         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/141a5b247877921ff5e4b58b0aeaa36e6e4de38d87599ee6956308e2b70589a5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-10-24 03:33:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
51
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cqnfwjdyo6jb75pewwfqv2vdnzxe3y4nq5mz5zuvmmeofnyfrgsq._file
Verdict:
malicious
Similar samples:
2b0e3076792cbaad1206b064b9f0dbcde8b22918d0063233c8d354f25ec5285a
AgentTesla
4114485fdfbe256596299210254db82ebe399c7bcee81127b6e5a9b098f2f5d8
AgentTesla
79f31a87c4435c11bbb786847d8cecace6d76c49c1c14d3b53c664485f735e40
AgentTesla
a6608ce0f39cb1ee560bfdf8d7e421b093169b36c5db03b1a77be8296a6736ee
AgentTesla
af9373c37ef6f7cee66f69230dd4bf6f7773153af373f3485a387c0856ef5dbc
AgentTesla
cfadc51764727f6575af7a0c5ca579c99bc062ce94d67dbb844f4a44bd1d1711
AgentTesla
ea652ce006bdff45184664a2c691ca5c6256fc1a686dfa8721cf5a9d2e1f4593
AgentTesla
+ 814 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/231026-nd92zach27/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
AgentTesla
Malware Config
C2 Extraction:
https://discord.com/api/webhooks/1164647148105769020/8usoHRGoO-AonCx102bzk6qsKGrK-STJRJkdO4oOxLs749SD82CnugdL5-ebUAJQBDcA
Unpacked files
SH256 hash:
73e9be93d882e38a62b02c49ff2a692bca995e95c3aa880e98bb79a64bc9f466
MD5 hash:
285fafb44a421a1327f9a3ba50d8e307
SHA1 hash:
9ccf31e8c0286a9acb7573b31eb6273aec11f645
Link:
https://www.unpac.me/results/5d90f698-e4d1-436e-98b5-06b70b1ec2a2/
SH256 hash:
0b4c93addb0071e4cc368bc5e46a535e2eafd360b5db8b6c87620d7225eade2d
MD5 hash:
e17d9bb18c1bf12de8c75fa570f4cf72
SHA1 hash:
97751a31524557387d136e0e42e204186d00b5dd
Link:
https://www.unpac.me/results/5d90f698-e4d1-436e-98b5-06b70b1ec2a2/
SH256 hash:
7ba13cf127f2b89aedb4b1d59d6a202984314bda563bcdfc9c33f5f610350569
MD5 hash:
26812ecd6ad8131dd6a1d00a86733b3e
SHA1 hash:
432c75569265c4f0de1142712282672a463a8f57
Detections:
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/5d90f698-e4d1-436e-98b5-06b70b1ec2a2/
Parent samples :
ea652ce006bdff45184664a2c691ca5c6256fc1a686dfa8721cf5a9d2e1f4593
cfadc51764727f6575af7a0c5ca579c99bc062ce94d67dbb844f4a44bd1d1711
141a5b247877921ff5e4b58b0aeaa36e6e4de38d87599ee6956308e2b70589a5
SH256 hash:
141a5b247877921ff5e4b58b0aeaa36e6e4de38d87599ee6956308e2b70589a5
MD5 hash:
3d15268483227137ec402523e248fd87
SHA1 hash:
4927dedd804fbcfc605d87e19b9fd73487ef0e8f
Link:
https://www.unpac.me/results/5d90f698-e4d1-436e-98b5-06b70b1ec2a2/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/141a5b247877/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/141a5b247877921ff5e4b58b0aeaa36e6e4de38d87599ee6956308e2b70589a5

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:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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 509aabd0d42fc9b1b5d88d10cf22e82ccf49aecd89175acaed0aba1f1bdebfb5

AgentTesla

Executable exe 141a5b247877921ff5e4b58b0aeaa36e6e4de38d87599ee6956308e2b70589a5

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 509aabd0d42fc9b1b5d88d10cf22e82ccf49aecd89175acaed0aba1f1bdebfb5
Cape
Cape
https://www.capesandbox.com/analysis/456519/
  
Dropped by
MD5 eb6fbba4e7cf3e3ad32304e5730fc9a6

Comments