MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 891506e9adca3e63194bd09965a91917768320436f7b5d940a4ae7a1d334f831. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 891506e9adca3e63194bd09965a91917768320436f7b5d940a4ae7a1d334f831
SHA3-384 hash: 93f90849902a49de8ee263b4c325dc6353c5f9a6af71794c74c1383755b1dac0e796b3ffa7bee3b1d36d56227683c306
SHA1 hash: 498471e14e2c303bb2d02c29532d7a2785a88c70
MD5 hash: 9d19b315735c9bed8d6109277904de73
humanhash: floor-tango-football-cola
File name:SecuriteInfo.com.Win32.CrypterX-gen.8383.12656
Download: download sample
Signature AgentTesla
Create hunting rule
File size:815'104 bytes
First seen:2023-08-22 08:32:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:43pMc6DB5YFxOSoH+CSMOTw9ADKsWdCKikfH/zlI:DNIgSoeCSa4N
Threatray 5'598 similar samples on MalwareBazaar
TLSH T13B05D0DD66A5792DC834A3FDB3199C0DA38E8C394907F087F6E04866EC3EB555B36290
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 :
1
# of downloads :
298
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.CrypterX-gen.8383.12656
Verdict:
Malicious activity
Analysis date:
2023-08-22 08:41:14 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/73dcc8d5-26b2-4d78-8807-3e67b030f269

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/444120/
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.8383.12656.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Labled as:
MSIL.Androm.Generic
Link:
https://www.hybrid-analysis.com/sample/891506e9adca3e63194bd09965a91917768320436f7b5d940a4ae7a1d334f831
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/08aec908-a586-47d7-9a7e-d3effc9f7a53
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1295044
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates multiple autostart registry keys
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
Malicious sample detected (through community Yara rule)
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)
Sigma detected: MSBuild connects to smtp port
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1295044 Sample: SecuriteInfo.com.Win32.Cryp... Startdate: 22/08/2023 Architecture: WINDOWS Score: 100 20 104.237.62.211, 443, 49743 WEBNXUS United States 2->20 22 mail.kbakr.com 2->22 24 2 other IPs or domains 2->24 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus detection for dropped file 2->34 36 Antivirus / Scanner detection for submitted sample 2->36 38 9 other signatures 2->38 7 SecuriteInfo.com.Win32.CrypterX-gen.8383.12656.exe 1 5 2->7         started        signatures3 process4 file5 16 C:\Users\user\AppData\...16tsgskbzbj.exe, PE32 7->16 dropped 40 Creates multiple autostart registry keys 7->40 42 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->42 44 Writes to foreign memory regions 7->44 46 Injects a PE file into a foreign processes 7->46 11 MSBuild.exe 17 4 7->11         started        signatures6 process7 dnsIp8 26 api4.ipify.org 64.185.227.156, 443, 49707, 49729 WEBNXUS United States 11->26 28 mail.kbakr.com 162.241.27.28, 49713, 49719, 49741 UNIFIEDLAYER-AS-1US United States 11->28 30 api.ipify.org 11->30 18 C:\Users\user\AppData\Roaming\...bJgI.exe, PE32 11->18 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->48 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->50 52 May check the online IP address of the machine 11->52 54 4 other signatures 11->54 file9 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/891506e9adca3e63194bd09965a91917768320436f7b5d940a4ae7a1d334f831/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-08-22 08:33:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
20 of 23 (86.96%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rekqn2nnzi7gggkl2cmwlkizc53igicdn55v3fakjlt2duzu7ayq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
143152208fb2b0e16a666019a6d0c0a4c8b5177707d24d1a1bb97568f34bd089
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1b3a82f21226cf22c6b935eeb7ca17fc2c36ec65cbf1f4fc32cc8b79fb3252d8
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2627e96c1ea96adf04b4709b5cdb2fe6b9cd9b82ff959cdde4e61a4acb9cbf4d
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478d51fa24c69ccaa66567cbcdf3105f7c302bbba2b88db7cfee19fe84acf64f
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54a5be7cfb6c0e4eb1673fc7d158b93094378a55f403afa84b82604bf06a9d5b
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9bee15aa43bcdb1c361ba488354de254e7860b9f006ad7ce7602adc6d7667e62
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9f733ddfdc69ff2f98222d9852a8fa88a1c2b36fbabe0044249fa6ab03d2a883
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a073440250210a9a498868af360fb2e9dc8bd35458891a4bad3972c9aa4b4ca7
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e4fe288855688065036a2c5621c68da45a1e484e61b438ce63303d1cc146eb7f
AgentTesla
f063fd1548945689a8b519daf454193e128bfca6c8b3b061f0ce7185b71412a8
AgentTesla
+ 5'588 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence
Link:
https://tria.ge/reports/230822-kfvtaacf2y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Unpacked files
SH256 hash:
37093d18c303b03bfa43e3677997c29037091a522db0a72a19bfdcd7cbb85fdf
MD5 hash:
b0d9da8a9cf464e111885dc0e52e80a3
SHA1 hash:
b2a1f7b56022639e6b1634af3c9c29e4701a9800
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/5ae61290-449f-483a-b53f-d2b9b2cfb62a/
SH256 hash:
389d712e447d9ac4cc7fc2eae3cf795ec6e7aa534e1eb4c0a7d99452040b877b
MD5 hash:
854faa940597a7fc7e268f6ae8391c56
SHA1 hash:
9e98484988e6ce59dc0d11cf54950d2c5e08fd63
Link:
https://www.unpac.me/results/5ae61290-449f-483a-b53f-d2b9b2cfb62a/
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
Link:
https://www.unpac.me/results/5ae61290-449f-483a-b53f-d2b9b2cfb62a/
SH256 hash:
3dbb35b0bf3baf46f8cd5f77f26b52826c8982e6b23e776337b5c18b1f644a2b
MD5 hash:
717479b26f3f2e8a5dc3d0de2dfe1534
SHA1 hash:
0eb78a1efb6106addbed911ea62cb869c84128cf
Link:
https://www.unpac.me/results/5ae61290-449f-483a-b53f-d2b9b2cfb62a/
SH256 hash:
891506e9adca3e63194bd09965a91917768320436f7b5d940a4ae7a1d334f831
MD5 hash:
9d19b315735c9bed8d6109277904de73
SHA1 hash:
498471e14e2c303bb2d02c29532d7a2785a88c70
Link:
https://www.unpac.me/results/5ae61290-449f-483a-b53f-d2b9b2cfb62a/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/891506e9adca/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.75
Link:
https://yomi.yoroi.company/submissions/891506e9adca3e63194bd09965a91917768320436f7b5d940a4ae7a1d334f831

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: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/444120/

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