MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37746ea400b47be3ee871c1ed748d89a7a7c3c754edf49b399e7c318a7c30075. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 37746ea400b47be3ee871c1ed748d89a7a7c3c754edf49b399e7c318a7c30075
SHA3-384 hash: 71674f4f5c6704d3d33958333db78529bf797e33922cd6d285d9f0091819ef89e30bb3079aded558ca332f32c9f6452a
SHA1 hash: d9db3940f0c7887b499cbf3e13bbf4d70c3aac4e
MD5 hash: 66f2b8d94d2fb5f27a7c8d3406087d13
humanhash: orange-queen-ceiling-purple
File name:RFQ Total Oil Tunisia.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:435'712 bytes
First seen:2021-10-20 17:24:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:g1fkgR8Uhgq1lb3me/Pg5ByYY3Ddz+sR8EJN1V/diV:g1fkk/6kmeng5BNY3DMsvJ7VV2
Threatray 12'316 similar samples on MalwareBazaar
TLSH T1AF94F1203665CD26C2BE5776C8EB641403F9B8027823DB1E7DD532EE49563E20D25EEB
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/198884/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/617050ef9a5a1e91c5c8a1b4/reports/4c3ad9c0-43e3-4264-aaa4-ca54dae5a6e2/overview
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6007efb7-8fcd-4acd-9a2e-07647a2e31ee
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/874071
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 506499 Sample: RFQ Total Oil Tunisia.exe Startdate: 20/10/2021 Architecture: WINDOWS Score: 100 64 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->64 66 Found malware configuration 2->66 68 Multi AV Scanner detection for dropped file 2->68 70 11 other signatures 2->70 7 RFQ Total Oil Tunisia.exe 7 2->7         started        10 jFGNZY.exe 5 2->10         started        13 jFGNZY.exe 4 2->13         started        process3 file4 42 C:\Users\user\AppData\Roaming\zHufvuKmp.exe, PE32 7->42 dropped 44 C:\Users\...\zHufvuKmp.exe:Zone.Identifier, ASCII 7->44 dropped 46 C:\Users\user\AppData\Local\...\tmp8E88.tmp, XML 7->46 dropped 48 C:\Users\...\RFQ Total Oil Tunisia.exe.log, ASCII 7->48 dropped 15 RFQ Total Oil Tunisia.exe 2 9 7->15         started        20 schtasks.exe 1 7->20         started        72 Multi AV Scanner detection for dropped file 10->72 74 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->74 76 Machine Learning detection for dropped file 10->76 78 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->78 22 schtasks.exe 1 10->22         started        24 jFGNZY.exe 2 10->24         started        26 jFGNZY.exe 10->26         started        28 schtasks.exe 13->28         started        30 jFGNZY.exe 13->30         started        signatures5 process6 dnsIp7 50 208.91.199.223, 49827, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->50 52 smtp.graceofgodd.biz 15->52 54 2 other IPs or domains 15->54 38 C:\Users\user\AppData\Roaming\...\jFGNZY.exe, PE32 15->38 dropped 40 C:\Users\user\...\jFGNZY.exe:Zone.Identifier, ASCII 15->40 dropped 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->56 58 Tries to steal Mail credentials (via file access) 15->58 60 Tries to harvest and steal ftp login credentials 15->60 62 2 other signatures 15->62 32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        36 conhost.exe 28->36         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/37746ea400b47be3ee871c1ed748d89a7a7c3c754edf49b399e7c318a7c30075/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-10-20 09:38:50 UTC
AV detection:
8 of 40 (20.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=g52g5jaawr56h3uhdqpnosgytj5hypdvj3putm4z47brrj6dab2q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
342af886075cca7fdeb8b212c3cfa6721adb1282dd670f0221a7f08cf1946dda
AgentTesla
542200906b6fd1d7cbf92964d984d66eb7566451cb68851ab9ddd8761fe68def
AgentTesla
6810cc6edb1ced93f416b478d0d793b3a01bcfd37d8927388fd55ec2b1086e29
AgentTesla
6cec4d45ec32bf036c8b5a513e029a5012c799e16acef1481e41822ba20dce8a
AgentTesla
6d3deba9b84a0196b94370ee9a1201893fcacacc6736638407d0c4b11b7995a2
AgentTesla
6f871f3642191d04e4fe20f022f738d89b3ad90b531cef6adde91d10f257431d
AgentTesla
7fb4a26d9f2c3a08c69d7f5838b7f88d8c6f31ab2aa69b130b150449baaea7ad
AgentTesla
c9af30b2a800c774844eee76e019d10b72c4637adbccd34a6de3bcc8a4f32ba4
AgentTesla
e609b0840d4e812a94c5955be5718583a4f589ad7dcc7e0893164d50bd000bd9
AgentTesla
+ 12'306 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/211020-vy912aacej/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
5f84e8846fa92d6d56e6055c48dd50cd188e5d8e6ba231fa18ce2921b5e60da7
MD5 hash:
0e3193aa46f941a4a079ebb5553d5546
SHA1 hash:
dd046774a2b00fef6cf070b38f2951b75b96855b
Link:
https://www.unpac.me/results/b88d5f1f-a8a4-4e4a-876b-1fe241346942/
SH256 hash:
41ec8e4c68d4c5aa4f3ab10a4629da934722be288a342e9ceb7543e37adfc9f8
MD5 hash:
787c9f12fbc139dc9e5fcd30510ab1fa
SHA1 hash:
dcbbef717d695f4f66f178c70daefe1b3d22592a
Link:
https://www.unpac.me/results/b88d5f1f-a8a4-4e4a-876b-1fe241346942/
SH256 hash:
6fee24a1398bb022d0c5b9059b9b21e7636fc3861866a583d0e49b7d0ca56d58
MD5 hash:
36e2528c3cb3ad299ea481283687cdd6
SHA1 hash:
1981340bc7be1aa8f78f942fc6f0724838e35a87
Link:
https://www.unpac.me/results/b88d5f1f-a8a4-4e4a-876b-1fe241346942/
SH256 hash:
37746ea400b47be3ee871c1ed748d89a7a7c3c754edf49b399e7c318a7c30075
MD5 hash:
66f2b8d94d2fb5f27a7c8d3406087d13
SHA1 hash:
d9db3940f0c7887b499cbf3e13bbf4d70c3aac4e
Link:
https://www.unpac.me/results/b88d5f1f-a8a4-4e4a-876b-1fe241346942/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/37746ea400b4/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/37746ea400b47be3ee871c1ed748d89a7a7c3c754edf49b399e7c318a7c30075

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
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.

Malspam

AgentTesla

Executable exe 37746ea400b47be3ee871c1ed748d89a7a7c3c754edf49b399e7c318a7c30075

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/198884/

Comments