MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b158cfeb27cf9f912f5ae4a9ca7f3cee94460218b008c69300913b98db3d0a2b. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b158cfeb27cf9f912f5ae4a9ca7f3cee94460218b008c69300913b98db3d0a2b
SHA3-384 hash: e42b5e950c7a92682d1a5f9f2b36eeea6e5c00615731b365c1bae6d84d6ecfd80824c6587a464fa771884531bb3ba5db
SHA1 hash: c478e5235dae5ce3e8ff4941c3a11a4dae4cb302
MD5 hash: 03969e20547c227139b72611933a1535
humanhash: comet-hotel-charlie-william
File name:hesaphareketi-01.PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:879'104 bytes
First seen:2022-11-17 14:55:04 UTC
Last seen:2022-11-17 16:52:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:6+6J/yy1rFyRCXOTE0U3AieqkBnG30YCoRjZnbCkI:6vEy1rFyV3U35kBn+9RjZnbCkI
Threatray 23'735 similar samples on MalwareBazaar
TLSH T1A5156BE96853696EE5B8B27D15F1E990CAB34C724EC0AE2481A83DC16D339D3B051DFC
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 abuse_ch
Tags:AgentTesla exe geo TUR

Intelligence

File Origin
# of uploads :
2
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
hesaphareketi-01.PDF.exe
Verdict:
Malicious activity
Analysis date:
2022-11-17 14:59:45 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/bfdeb2af-0831-4049-ae83-97883e08074c

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/335374/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.30834.135.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63764b826fda73cab64e3828/reports/88316311-d635-4ddb-9430-b9c805fb129a/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b3c0c084-4ec5-439c-9f29-1473f1399e44
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1115832
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Initial sample is a PE file and has a suspicious name
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)
Snort IDS alert for network traffic
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b158cfeb27cf9f912f5ae4a9ca7f3cee94460218b008c69300913b98db3d0a2b/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-17 14:32:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wfmm72zhz6pzcl224su4u7z452kemaqywaemneyase5zrwz5bivq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0ae3de0662464cddd1b29410b7c1e59b5f0c169b564f75b37e7eb04726e5be8c
AgentTesla
3196b456346ce2ac7d598517bb96670fa6e112aada75e0d0e3a98109e95ed86a
AgentTesla
563c7e81a56659e110637e56073fa001668ea528a5cc7d90830430171d5a5ab9
AgentTesla
637e8dd8e33e243622620c997043180edcbd783a92dbd303b604a0708bae7d64
AgentTesla
b158cfeb27cf9f912f5ae4a9ca7f3cee94460218b008c69300913b98db3d0a2b
AgentTesla
be06f8a3ed040aadf2598bc5a9b4c886c271ad7866505dba11b723dba968f518
AgentTesla
d45e5775d0d833995cf846f564dc8185ffaa53706a8c27cca07c941b1aaa42fd
AgentTesla
f401e6678d1dc2b278bee5e0edb3236331ab655d151dea9f4166c31840ae2e13
AgentTesla
+ 23'725 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/221117-sa1rcaef83/
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot5798024834:AAGLHTcPdLDij7ehMoasiBZDz8oodefEy0E/
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/bc431142-f70a-4910-81cf-94bf855d7690
Unpacked files
SH256 hash:
bd297cfb4512342f874517dab33f1e84a8beba34f915b17dfb4bf2fdcea4fea8
MD5 hash:
147f73ab87f0c2762828621a906d94c0
SHA1 hash:
f321a59e75fb9ec1c6d8bb1cc79f04e48eebf374
Link:
https://www.unpac.me/results/027ccf4f-bca5-449b-bfd4-5aa6f04f6091/
Parent samples :
7476ebf4d5eb027b773857718b4cb26e34846a82d1d5d2dbfc06e55c31f46e93
4b9761bcf4390d621a51510551602140fa4127d33245712580bc377b872476c4
0f8bdb179425c93430b81e36a2df60903c06de31ad4b7bebf1a85db865bb2495
9e91e0ffb8cb2160f8a85438e2ca0d8beea2c41797585049e3a8446df969888b
bbc3849d4c85b83bcd8a540db347fccc742ed4f8b767a17d6d5172f71054d52b
SH256 hash:
7f272c4db499b1501a5ea1711d23de0e6a0c07faf16275e9b01722dae889c7c9
MD5 hash:
dd8b9511dda8eb7c84e1621046828883
SHA1 hash:
7f715270ffcadcba5c3148d2a0cecfaaf6c2e805
Link:
https://www.unpac.me/results/027ccf4f-bca5-449b-bfd4-5aa6f04f6091/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/027ccf4f-bca5-449b-bfd4-5aa6f04f6091/
SH256 hash:
ea82a1529bc10aa46b773adaa8d039a6a81cdd458f7f3ba31587a385b1adaf44
MD5 hash:
236008a2d2f77aefe7d13950f677da43
SHA1 hash:
1a7f5c1dadb9ad5f7c1420b859e19ad5a8e8bedb
Link:
https://www.unpac.me/results/027ccf4f-bca5-449b-bfd4-5aa6f04f6091/
SH256 hash:
0ff7b159738f32a77ecef6610dd41d9fed671f4e6eb4e8c9639d2dbc74e031a9
MD5 hash:
100daf3354bb07a1287d37818ec4fd58
SHA1 hash:
148b8b2d7c444984297814f0583154e188653d76
Link:
https://www.unpac.me/results/027ccf4f-bca5-449b-bfd4-5aa6f04f6091/
SH256 hash:
b158cfeb27cf9f912f5ae4a9ca7f3cee94460218b008c69300913b98db3d0a2b
MD5 hash:
03969e20547c227139b72611933a1535
SHA1 hash:
c478e5235dae5ce3e8ff4941c3a11a4dae4cb302
Link:
https://www.unpac.me/results/027ccf4f-bca5-449b-bfd4-5aa6f04f6091/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b158cfeb27cf/report/overview.html
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

Executable exe b158cfeb27cf9f912f5ae4a9ca7f3cee94460218b008c69300913b98db3d0a2b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/335374/

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