MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9731b8f02b887704416062bb94743cca680d5f9930adbb2481e36b94f63b3c4. 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: b9731b8f02b887704416062bb94743cca680d5f9930adbb2481e36b94f63b3c4
SHA3-384 hash: bbc0a416825662d9cc3aa3210e7dfa0dab7b83ad6afd83d9b4004373d732450d8c97b1f11d8c4ab06ac57163fb4e07a6
SHA1 hash: 4254421355529c91438afe84e9cb99d8d2fc3484
MD5 hash: fc23b8ee2c44b30b80866a11f8e898ae
humanhash: beer-autumn-wyoming-mango
File name:2022 Johnson& Johnson -PO- 216238068.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:651'264 bytes
First seen:2022-04-21 05:45:00 UTC
Last seen:2022-04-21 06:35:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:kKrzXmOMMeqhmTGC14ETHzfmbLJJIczUu9QcfrK2tcTYXfMYk52r2RaIbZY:9rxMMLATXvTHjsLJJIcheYmKRb7i
Threatray 16'508 similar samples on MalwareBazaar
TLSH T105D4122F72940732C5AF17F6A674114827B176128122E78C4EE430EF6CA7788B756BB7
TrID 49.6% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
21.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.9% (.SCR) Windows screen saver (13101/52/3)
7.1% (.EXE) Win64 Executable (generic) (10523/12/4)
4.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon 31f0d4a2d4c87276 (13 x AgentTesla, 9 x SnakeKeylogger, 6 x Formbook)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
248
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/265315/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.13716.31427.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
Link:
https://www.filescan.io/uploads/6260ef63eab80a7a6c5129ae/reports/6d8dece8-45b7-4626-bff0-061a21b038a5/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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dfe5e6b0-633a-4397-87bb-958de82f4999
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/980417
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Injects a PE file into a foreign processes
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)
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
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 steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
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:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b9731b8f02b887704416062bb94743cca680d5f9930adbb2481e36b94f63b3c4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-21 01:53:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xfzrxdycxcdxarawayv3sr2dzstibvpzsmfnxmsidy3lst3dwpca._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
18adb43ab91ce3c5ce64d09f830c806e1b1f2feda26e87b66b04d563af909889
AgentTesla
2c7cbac8fb35bec6c10869cd5e50d479997a86e42a49c9d2f226c0a88b871c01
AgentTesla
5c46e47366d5b0e5907a78bcef83a71b606ed1135603d50e05303262d46b8a3e
AgentTesla
637c08924afdfb02e35a02c81b72ccde2f0e3436f1f7e1747eb86b6b6ee5bd68
AgentTesla
a3975305b2717e69b429ddba843d0eb03d4bc916828131a41719e74753e9b901
AgentTesla
d20aff03dd6394b498b2c2cbb6696120e93595b8c8141e077566348faf251d71
AgentTesla
ea08fc031bc184b29f528ea6f2d34a8e8537356cb2b36826c653d769674601b3
AgentTesla
+ 16'498 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/220421-gfq9bahhhj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
AgentTesla Payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1633482536:AAF1JIS_DaayovuRrLGy_POYaI3DRc2CrPY/sendDocument
Unpacked files
SH256 hash:
488a7805cf54f9c8ddc54db260db32fdbc7f30dda9b503f009faeeb761671e56
MD5 hash:
42dc79e94f620a9100645dbbc8fc7416
SHA1 hash:
f994bedae989d9891f768e9610ae6c31f878540a
Link:
https://www.unpac.me/results/b6fc57ad-2062-46b9-97f7-56d2af0300bc/
SH256 hash:
b91307eeae6495cc3202fb1ec39e3f58534be4b1a60795d0b31fd52c76f040d4
MD5 hash:
19f1df1e9b8f809b61dab4490cdc6e9c
SHA1 hash:
9e2e47b1ae0d94e894a88ce28a7c8a7c1a00e8ef
Link:
https://www.unpac.me/results/b6fc57ad-2062-46b9-97f7-56d2af0300bc/
Parent samples :
827774cd3d42753b5a959a706a3ae0d989cd6b1cdb9eb54590acdc37f086d4b4
5509e143021f95074f9cde2dac4d79960710adb794bb1cdf57582be08681c3bf
57191284c75940f3a637266acc38d3a503ab97a52c9d99a0a85ff61d27420b6f
44adde49a051c923e1ed89d0adfa105fb66f85bebe630f625c29e25f93da3043
604c52301a76a47042112a3a7fca37f1c6c205a0888a6e28c5555406c55b2279
SH256 hash:
ef058d0a23b36683b62d8331a6c43c2356bede56fdbe3587ba5b6889f344a67e
MD5 hash:
b41d180b984cffb701dc35d732f53494
SHA1 hash:
86a8c95cfabccfb57ca2e4520122d165776dee20
Link:
https://www.unpac.me/results/b6fc57ad-2062-46b9-97f7-56d2af0300bc/
SH256 hash:
2202c23729ebda36f77d7f98ba160a76292762eeb3c257aed665e6f2394450f3
MD5 hash:
eae46982fe635fe9ad33467ca44d95e5
SHA1 hash:
4d60704c8317fb925e605779ed91eff350c21c0b
Link:
https://www.unpac.me/results/b6fc57ad-2062-46b9-97f7-56d2af0300bc/
SH256 hash:
b9731b8f02b887704416062bb94743cca680d5f9930adbb2481e36b94f63b3c4
MD5 hash:
fc23b8ee2c44b30b80866a11f8e898ae
SHA1 hash:
4254421355529c91438afe84e9cb99d8d2fc3484
Link:
https://www.unpac.me/results/b6fc57ad-2062-46b9-97f7-56d2af0300bc/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b9731b8f02b8/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/b9731b8f02b887704416062bb94743cca680d5f9930adbb2481e36b94f63b3c4

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 b9731b8f02b887704416062bb94743cca680d5f9930adbb2481e36b94f63b3c4

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/265315/

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