MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21b178d2c4a37e242aba83fb691e598e442539566e5bfabc30f7501798684b4d. 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: 21b178d2c4a37e242aba83fb691e598e442539566e5bfabc30f7501798684b4d
SHA3-384 hash: c2e10a8e9e0f6b84e9720e4893597e8a9fccdbe14f82947b6bfb93ccffc39b8d2ed2e00dd5cdffd9db7f73fc52a95846
SHA1 hash: 822909bee7ee451dd76dce5b77593a5b35153595
MD5 hash: 5b3ac737f328169d7649cce8325e28e2
humanhash: april-fix-louisiana-lamp
File name:z20MqQJQRMMV2JHR0n.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:992'768 bytes
First seen:2023-05-18 17:48:10 UTC
Last seen:2023-05-20 15:32:08 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 24576:5Bfsl4bUSXJwta8ItxAQ47VrfxpJ/CxxLI/2:/fslCJO5TQq/lCxxLI+
Threatray 3'839 similar samples on MalwareBazaar
TLSH T15325D02066AD9F1AE03A83F954A1D1B047F45E6AB47EE3478ED67CDB3A64F110A40F43
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 FXOLabs
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
268
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
z20MqQJQRMMV2JHR0n.exe
Verdict:
Malicious activity
Analysis date:
2023-05-18 18:31:10 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/74a9e00b-1b9e-4b99-b02c-58b0172d786e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.TrojanX-gen.19903.4615.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin packed
Link:
https://www.filescan.io/uploads/6466650ecc37a7471e4a0a2a/reports/7af26c43-e086-4ce4-a36f-d1f663161184/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/21b178d2c4a37e242aba83fb691e598e442539566e5bfabc30f7501798684b4d
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/ce0c2d16-5f56-46f8-a23e-62e1c430bf98
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1236202
Signature
Found malware configuration
Machine Learning detection for sample
May check the online IP address of the machine
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
Snort IDS alert for network traffic
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 the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/21b178d2c4a37e242aba83fb691e598e442539566e5bfabc30f7501798684b4d/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-05-18 15:59:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
32
AV detection:
21 of 36 (58.33%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=egyxruweun7cikv2qp5wshszrzcckokwnzn7vpbq65ibpgdijngq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0801817ef1c012615750ffa271d26b484e6460c929c14a87d4a78ffd579ada87
AgentTesla
3c402f83ae81af1a60c8d6c14e35bd466ae54f2b97e25c36df7be898e46736e5
AgentTesla
789c75b4c3d7034b4d97dc53523d204b7c6ba5fd782df6d13b55f6034bdad2b8
AgentTesla
8f74b338af0598626c809c1f9a956d09dc31082833b875159cc2037063da67dc
AgentTesla
923ae0c266afdbbb76dfca5df18e4aa33f8a41c705711ec9d1d1ce0bf276e40b
AgentTesla
ab2fa246d4f83af7f69c3d9ac4ad3c5a4aab69046dc5b0fe1e8f5e26b905999f
AgentTesla
d44d7cdd0f94710f6b72db3b98f5742ce9be0869f22bab9aaae8f6aa923c73d2
AgentTesla
e171da1cfaac4798dd402054928dff58e4ee916663855023523c7def4b33a5a0
AgentTesla
+ 3'829 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/230518-wdz6rscb5v/
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
Looks up external IP address via web service
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/bot6174413593:AAEFJFfmmgKHkg-43MZw2Pt5EAT6z2Bs9Ug/
Unpacked files
SH256 hash:
46b4163b3359b1496929310062b41e6cd3fb428c46c6c22ca2977da5c4cc8a5c
MD5 hash:
afdcf2343779e4e788e90bc68d1b279c
SHA1 hash:
67c5c5edb5ad7177a11cf59482bd2fa17dc48cf3
Link:
https://www.unpac.me/results/e534140f-bf38-4a13-b9d0-4099378e7f13/
SH256 hash:
1fa2a600c1d183a6251a58f93c8e100db3cd5b72c23768803fa31754507a6793
MD5 hash:
2ddd0eacfeefd0032fc1e7ea5c4ecd76
SHA1 hash:
34df4306c23d0b5dc6fda32b84dc7586b8aabc96
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/e534140f-bf38-4a13-b9d0-4099378e7f13/
Parent samples :
9b4befa92d48b40b7c9e687e84769fa291f310bedf9a4f5cd5aa56ca09ebf208
3427beaba3edaca6c83418c4a76d762c1236f8062032461f814ec7cb4043cf54
ab2fa246d4f83af7f69c3d9ac4ad3c5a4aab69046dc5b0fe1e8f5e26b905999f
3c402f83ae81af1a60c8d6c14e35bd466ae54f2b97e25c36df7be898e46736e5
923ae0c266afdbbb76dfca5df18e4aa33f8a41c705711ec9d1d1ce0bf276e40b
e171da1cfaac4798dd402054928dff58e4ee916663855023523c7def4b33a5a0
21b178d2c4a37e242aba83fb691e598e442539566e5bfabc30f7501798684b4d
9e7d1abe2f5fdce4a9a6ee0119efe08c5ccad3a27a1728471e13a32ce7574057
166321f2bf53cab5d536489d145e913c75727473627922b9ce53e0dd8b40e99d
SH256 hash:
2907ceb0aff33154a49177d6e04e822538f3fb439a55264cdf84b162564afea6
MD5 hash:
ae06e9b9c5d6df3bdb39fbbc75d9b9cd
SHA1 hash:
b03aff7dda4462819b1250e44d80c83aca37237f
Link:
https://www.unpac.me/results/e534140f-bf38-4a13-b9d0-4099378e7f13/
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
Link:
https://www.unpac.me/results/e534140f-bf38-4a13-b9d0-4099378e7f13/
Parent samples :
ee57b6fa1e5a3c5ef776b79f32820327bcb3fe1974eeddf65c0eb56131193397
de8c7c543f438af1e7e78096f6873268e9b1a12745edf9c88db07e136163399e
SH256 hash:
f486829402dbf1eb5f6f388ed3c7adb01b8650bd920ecac512ad389116c504bb
MD5 hash:
8efaec9de4de548712cced9f73f02f8a
SHA1 hash:
7841cebec9362e6c2f3f5f956a8b3553ace129f2
Link:
https://www.unpac.me/results/e534140f-bf38-4a13-b9d0-4099378e7f13/
SH256 hash:
21b178d2c4a37e242aba83fb691e598e442539566e5bfabc30f7501798684b4d
MD5 hash:
5b3ac737f328169d7649cce8325e28e2
SHA1 hash:
822909bee7ee451dd76dce5b77593a5b35153595
Link:
https://www.unpac.me/results/e534140f-bf38-4a13-b9d0-4099378e7f13/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/21b178d2c4a3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/21b178d2c4a37e242aba83fb691e598e442539566e5bfabc30f7501798684b4d

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 21b178d2c4a37e242aba83fb691e598e442539566e5bfabc30f7501798684b4d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments