MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6ff5d41d744f289b0e536d5e7c244490ade99fcc44772d645648e6c9f769a6c. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b6ff5d41d744f289b0e536d5e7c244490ade99fcc44772d645648e6c9f769a6c
SHA3-384 hash: 88c52be23181a9aceeb74e1b709354f349b543d9ae85650955dc1563239b2c394d9379ca75c75f3a9b6fceaec1993554
SHA1 hash: 9f93e4a92262f750289314e3ebff6e65cd7154ba
MD5 hash: c6099579a1d9cbe8a747a46fce3e0907
humanhash: rugby-north-music-tennis
File name:AL Naser General Services PO609521.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:565'760 bytes
First seen:2021-06-28 17:54:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:5IH2x+B1EO4ikCqjxNNruHgavtuptahMVBAV4mf:c2y1r+BNNCHF4RVBAB
Threatray 6'174 similar samples on MalwareBazaar
TLSH 98C4C04E2CD58459E0E17F716CF061862A37BCAA2225D18FA9C7FE199F727405FC262C
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
189
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
AL Naser General Services PO609521.exe
Verdict:
Malicious activity
Analysis date:
2021-06-28 17:55:03 UTC
Tags:
keylogger stealer agenttesla
Link:
https://app.any.run/tasks/777f62ce-720e-4abc-aa21-efeeee638012

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/168615/
Detection(s):
Win.Malware.Dskb-6936526-0
Create hunting rule

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:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/477b98cc-17ab-4da9-89f8-ed6df0936b7b
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/808954
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Allocates memory in foreign processes
Found malware configuration
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
Modifies the hosts file
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 441365 Sample: AL Naser General Services P... Startdate: 28/06/2021 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Multi AV Scanner detection for dropped file 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 10 other signatures 2->53 7 AL Naser General Services PO609521.exe 6 2->7         started        11 NewApp.exe 2 2->11         started        13 NewApp.exe 1 2->13         started        process3 file4 29 C:\Users\user\AppData\Roaming\HHnQju.exe, PE32 7->29 dropped 31 C:\Users\user\AppData\Local\...\tmpCA9A.tmp, XML 7->31 dropped 33 AL Naser General S...es PO609521.exe.log, ASCII 7->33 dropped 55 Writes to foreign memory regions 7->55 57 Allocates memory in foreign processes 7->57 59 Injects a PE file into a foreign processes 7->59 15 RegSvcs.exe 2 4 7->15         started        19 RegSvcs.exe 7->19         started        21 schtasks.exe 1 7->21         started        23 conhost.exe 11->23         started        25 conhost.exe 13->25         started        signatures5 process6 file7 35 C:\Users\user\AppData\Roaming\...35ewApp.exe, PE32 15->35 dropped 37 C:\Windows\System32\drivers\etc\hosts, ASCII 15->37 dropped 39 Modifies the hosts file 15->39 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->41 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 19->45 27 conhost.exe 21->27         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b6ff5d41d744f289b0e536d5e7c244490ade99fcc44772d645648e6c9f769a6c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-28 09:32:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=w37v2qoxitzitmhfg3k6pqsejefn5gp4yrdxfvsfmshgzh3wtjwa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
061f43fd63c6d12a3c6175cb6d8fd3cb2d8c7e074f3168ce33aaf0336cc902d2
AgentTesla
1fee2da81b9bf7bc981a680b2e4c3c69dd683f66380a458f8bc6ac09c7156baf
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372a1eff95efebac004946b062fafd38a69b2f9c4d2c900335b22353a4646d2e
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7fc6095b91d2bb01efc48754fb7f2eb9f962b7ee06e2fa74b14609020a5ecae4
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94b3e37a5c039221040999418b83ab8338b165db38255ec81bc41f3a8ad2e6df
AgentTesla
a4b39d55ec99198ecb996b335bbc980e86578a66a27263875f7b4cb072bfaeb2
AgentTesla
c2049006a9c61fa57309a7c651ca0e48b6b16dbbb8f545d4d879ecb19ef95efe
AgentTesla
c9eb3d9f57ee4e251ad3953c4525e5050c63d677aab53a3ffbe65bff04f3952f
AgentTesla
e6ce317d3368fb336f2d2efb78002797975ba82ba0a16869b5e2912caf5731c6
AgentTesla
ec792ee233ac266c240ad4b9722b13ad8a3f3a96516511aba13254cbfdb191c4
AgentTesla
+ 6'164 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210628-q5g2qt2hl2/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Contains code to disable Windows Defender
Unpacked files
SH256 hash:
6bf0bd551b90ad0a6322676f478c6db9096f5e3ca92d3e6c76835fd8cc5fc953
MD5 hash:
6c0c86c0bf3dbbe458683b1ea4968055
SHA1 hash:
adc513b574226ad30bfab9a83e9bebe1b1295cd2
Link:
https://www.unpac.me/results/a3f87a1c-e4ee-4be2-aa6d-0dd1b77138d0/
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
Link:
https://www.unpac.me/results/a3f87a1c-e4ee-4be2-aa6d-0dd1b77138d0/
SH256 hash:
fe1674ad5b24e7df1b7dae74d93b1e8b5b12287480cb635b944df252a44858a9
MD5 hash:
95ad1589d97c1cfe9d03d15c565ba9dc
SHA1 hash:
63b97250f65090201c46e645e061128e4d3c9941
Link:
https://www.unpac.me/results/a3f87a1c-e4ee-4be2-aa6d-0dd1b77138d0/
SH256 hash:
b6ff5d41d744f289b0e536d5e7c244490ade99fcc44772d645648e6c9f769a6c
MD5 hash:
c6099579a1d9cbe8a747a46fce3e0907
SHA1 hash:
9f93e4a92262f750289314e3ebff6e65cd7154ba
Link:
https://www.unpac.me/results/a3f87a1c-e4ee-4be2-aa6d-0dd1b77138d0/
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/b6ff5d41d744f289b0e536d5e7c244490ade99fcc44772d645648e6c9f769a6c

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/168615/

Comments