MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b921e7134e8ad218e90ad88491c0135ab7c00d5557c9781aea69de52c5d99207. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b921e7134e8ad218e90ad88491c0135ab7c00d5557c9781aea69de52c5d99207
SHA3-384 hash: 3af128d061b0b437eadb001294079a0935b681b78dccbeb8a8fc10dc32e0055045eef3ae20da371e64a799c1e5a27e9b
SHA1 hash: a014fb99b275a15dd5b0908f218362fc783b4794
MD5 hash: e24cfcdd72282a10aee82ff056a83ad2
humanhash: illinois-oregon-stairway-massachusetts
File name:Shipping documents and BL. PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:848'384 bytes
First seen:2022-11-24 10:17:45 UTC
Last seen:2022-11-28 14:41:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:Mrk3iFABfUndhZvSe51oyV6P46tsBSMHBiLV6VTVn009C9/5:FquUTNSe5VottMHyVyFt9g
Threatray 20'102 similar samples on MalwareBazaar
TLSH T1FA05C0A2F9556E92D02C0E3990B7106022F0ED239775EA5E7B70F1565E337C1AF93B0A
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f0b0f2eaececb2f0 (14 x AgentTesla, 1 x SnakeKeylogger)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
5
# of downloads :
222
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Shipping documents and BL. PDF.exe
Verdict:
Malicious activity
Analysis date:
2022-11-24 10:20:48 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/42e52f63-ffaf-48fb-bdb5-8697fcda0a1b

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/338016/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.25442.28261.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Forced shutdown of a system process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/637f44dd09001aa64bb930da/reports/be596c0b-5eb0-4334-9184-6512873a76a7/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:
Malicious
Link:
https://analyze.intezer.com/analyses/ecc10e87-d530-4cee-9978-2383b9b51713
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1120437
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 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: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 753158 Sample: Shipping documents and BL. ... Startdate: 24/11/2022 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Sigma detected: Scheduled temp file as task from temp location 2->54 56 11 other signatures 2->56 7 Shipping documents and BL. PDF.exe 6 2->7         started        11 wwhIWs.exe 5 2->11         started        13 LdtJsTw.exe 2 2->13         started        15 LdtJsTw.exe 1 2->15         started        process3 file4 42 C:\Users\user\AppData\Roaming\wwhIWs.exe, PE32 7->42 dropped 44 C:\Users\user\AppData\Local\Temp\tmp560.tmp, XML 7->44 dropped 46 C:\...\Shipping documents and BL. PDF.exe.log, ASCII 7->46 dropped 72 Writes to foreign memory regions 7->72 74 Injects a PE file into a foreign processes 7->74 17 RegSvcs.exe 17 5 7->17         started        22 schtasks.exe 1 7->22         started        76 Multi AV Scanner detection for dropped file 11->76 78 Machine Learning detection for dropped file 11->78 24 RegSvcs.exe 11->24         started        26 schtasks.exe 1 11->26         started        28 RegSvcs.exe 11->28         started        30 RegSvcs.exe 11->30         started        32 conhost.exe 13->32         started        34 conhost.exe 15->34         started        signatures5 process6 dnsIp7 48 api.telegram.org 149.154.167.220, 443, 49695, 49696 TELEGRAMRU United Kingdom 17->48 40 C:\Users\user\AppData\Roaming\...\LdtJsTw.exe, PE32 17->40 dropped 58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->58 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->60 62 Tries to steal Mail credentials (via file / registry access) 17->62 64 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 17->64 36 conhost.exe 22->36         started        66 Tries to harvest and steal ftp login credentials 24->66 68 Tries to harvest and steal browser information (history, passwords, etc) 24->68 70 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->70 38 conhost.exe 26->38         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b921e7134e8ad218e90ad88491c0135ab7c00d5557c9781aea69de52c5d99207/
Threat name:
Win32.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2022-11-24 09:14:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
34
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xeq6oe2orljbr2ik3ccjdqatlk34adkvk7exqgxknhpffrozsidq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1932562dc1fc3dcea7da6d86ef26c12a34b0acce777807a5f0b4b5922950df05
AgentTesla
878c0432fb98f448421b14563c401bdf946f7f77c5fc497aa53dcdc69bc31be7
AgentTesla
94954f4e2dd4bdb9d9a25687adb61397ba91eb0dbd5d14df01fe281222cd35d4
AgentTesla
a1503da6887c206ae3070cc780474897b492572a3d46b013d2215d529d0d0231
AgentTesla
ad5af6dd7b293e650c8e5b740aa48de75ae6aec0360489a5306b8cab6482a99f
AgentTesla
b37d9a54e81fc3feac68afee6c776fea62e111491db1da57456452beabe118ac
AgentTesla
be06f8a3ed040aadf2598bc5a9b4c886c271ad7866505dba11b723dba968f518
AgentTesla
d33c04a958e132c539ad530e9c12e03e0fb9243928307bbb660b6179676d166c
AgentTesla
+ 20'092 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/221124-mby19aga37/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5495243543:AAG3XPeGW7yqfXF6_EXjGSfO9SWHJTpqVsU/
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e00da11f-4711-488e-ab2a-067805abc7fa
Unpacked files
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
Link:
https://www.unpac.me/results/a2d72f42-27d6-40fb-9a8f-ee6ffe286827/
SH256 hash:
e8b3e11328e34fdd074b41ad395b0d3ecd4656db8aaaca8b29d22d7cbf6e31de
MD5 hash:
2ae295df9ba1605c7a4633cb3dd2e0e9
SHA1 hash:
4cab27233de4a44a6cc8e46fb1803b19c452063f
Link:
https://www.unpac.me/results/a2d72f42-27d6-40fb-9a8f-ee6ffe286827/
SH256 hash:
7d1bc9d8e328e6c91872265b770107237efd7b75517777e059a22cf267652dc5
MD5 hash:
e473ea226cbdbe375938e9f4db21c97b
SHA1 hash:
2f0ab6de0459e0f4e40900e2f65e649a091221e5
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/a2d72f42-27d6-40fb-9a8f-ee6ffe286827/
Parent samples :
b921e7134e8ad218e90ad88491c0135ab7c00d5557c9781aea69de52c5d99207
2cae27fe5b93620d4d7f1b6e16566c618c23aaa11230ebb33a2bf57c0e576202
1ea31d04175fb842e43adb57eadd01486fbad17841f83d5eff065b67baeb4d69
191ba5413e8cab449cfb39d083b2fa780c5fd331b6e7a0654e536fbb23d20458
a2579723ae65b526602d6404cbe9e0239c1ec7ed08222afcbe9e65e35a7d49d8
e43659dac9e8276ec4f3948c5211c3c64b34b34307b1ad15681c81529c8b64ae
478d4b7a98b6885c7100de1e9dcd36eed9ecc95148f39bdd7af84be7ced2478b
b6cc5c882ca5a0cf1bddfd44343046c47ef2c90a519f1683467808752b7f1720
29c562c44604ece170da8b50d8d952961024f7d2f8c2301bbf28d31d2ba79a5e
01547e612fc731951049a35ed50621ffaecd45d0b0946c98f4c3c90730a9dda4
SH256 hash:
b921e7134e8ad218e90ad88491c0135ab7c00d5557c9781aea69de52c5d99207
MD5 hash:
e24cfcdd72282a10aee82ff056a83ad2
SHA1 hash:
a014fb99b275a15dd5b0908f218362fc783b4794
Link:
https://www.unpac.me/results/a2d72f42-27d6-40fb-9a8f-ee6ffe286827/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b921e7134e8a/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/b921e7134e8ad218e90ad88491c0135ab7c00d5557c9781aea69de52c5d99207

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

rar 8f3b7e770b3e28a97011749b757083b6aed0fbbb8df33248742eee906979b117

AgentTesla

Executable exe b921e7134e8ad218e90ad88491c0135ab7c00d5557c9781aea69de52c5d99207

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/338016/
  
Dropped by
SHA256 8f3b7e770b3e28a97011749b757083b6aed0fbbb8df33248742eee906979b117
  
Dropped by
MD5 7eed9315e330e78c69ec065acbe50075

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