MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6d033582691fbfed1308554793024626bcc07d07e904aca0d26f93f2a083893d. 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: 18


Intelligence 18 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6d033582691fbfed1308554793024626bcc07d07e904aca0d26f93f2a083893d
SHA3-384 hash: 3552cb3d9e4780ca3426393033502553387a0dd06a6668958dd1d71091cf6ade1f74eecf5ae28c125cc855662fe79a9f
SHA1 hash: 1f91c9345407ec20fe08243ffea1db32c8d7fb27
MD5 hash: 68903a58dc8c61f5b9c13ddf753be9d5
humanhash: yellow-wisconsin-uniform-football
File name:INV01562.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'021'440 bytes
First seen:2023-09-20 07:21:36 UTC
Last seen:2023-09-20 07:34:48 UTC
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:ADZ08bolxtBHkQMGKx58qTt5MpfMBARLd5h15sHogdEkBPbQpqJ/d2TU0:TtmsKxgpfMCRR5h15sIg6kBPYQP0
Threatray 5'773 similar samples on MalwareBazaar
TLSH T11325E6BBB9EB49BBE0E959F53B88C85632B9F4F1D00E361723C01191D1EE4E0991E91D
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)
File icon (PE):PE icon
dhash icon c48cc0dcfca0c0f0 (2 x AgentTesla)
Reporter cocaman
Tags:AgentTesla exe Shipping

Intelligence

File Origin
# of uploads :
2
# of downloads :
275
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
INV01562.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-09-20 07:22:25 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/d85f3e50-64ef-4608-af4a-107af12a0045

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/449938/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.61209.14133.3633.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Forced shutdown of a system process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/650a9d9d83a0c6425dfa2a4b/reports/d1aac9ad-0172-440d-8921-bfa540cefa0d/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/6d033582691fbfed1308554793024626bcc07d07e904aca0d26f93f2a083893d
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/af238acc-bb11-43de-b547-2d7945a09918
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1311354
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large strings
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
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
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 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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1311354 Sample: INV01562.pdf.exe Startdate: 20/09/2023 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 12 other signatures 2->56 7 INV01562.pdf.exe 6 2->7         started        11 KmeWsT.exe 5 2->11         started        13 FndrE.exe 2->13         started        15 FndrE.exe 2->15         started        process3 file4 38 C:\Users\user\AppData\Roaming\KmeWsT.exe, PE32 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmp9E3F.tmp, XML 7->40 dropped 70 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->70 72 Uses schtasks.exe or at.exe to add and modify task schedules 7->72 74 Writes to foreign memory regions 7->74 17 RegSvcs.exe 17 4 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 80 Injects a PE file into a foreign processes 11->80 24 RegSvcs.exe 3 11->24         started        26 schtasks.exe 1 11->26         started        28 conhost.exe 13->28         started        30 conhost.exe 15->30         started        signatures5 process6 dnsIp7 42 mail.frontierfulfillment.com.my 14.102.148.26, 49718, 49720, 587 IPSERVERONE-AS-APIPServerOneSolutionsSdnBhdMY Malaysia 17->42 44 api4.ipify.org 64.185.227.156, 443, 49717, 49719 WEBNXUS United States 17->44 46 api.ipify.org 17->46 36 C:\Users\user\AppData\Roaming\...\FndrE.exe, PE32 17->36 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 May check the online IP address of the machine 17->62 32 conhost.exe 22->32         started        48 api.ipify.org 24->48 64 Tries to steal Mail credentials (via file / registry access) 24->64 66 Tries to harvest and steal browser information (history, passwords, etc) 24->66 68 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->68 34 conhost.exe 26->34         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6d033582691fbfed1308554793024626bcc07d07e904aca0d26f93f2a083893d/
Threat name:
Win32.Trojan.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-09-19 17:43:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
20 of 34 (58.82%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nubtlatjd6762eyikvdzgasge26ma7ih5eckzigsn6j7fiedre6q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
28b0099eef5f5d332587f51c404eaf582423c6ff199a4d6f41e7428f92245a41
AgentTesla
493b2ded607633e6df0d1b272a717d12adee8171a49b736e006754ca4645567a
AgentTesla
7e5020480daaa898fcea4049ce0c6ea7ecca96195f3afd57b9498ecbd67c7c5c
AgentTesla
8cbd4c3b44b01f2cf5887f3ae447c4a2b72b042a25403095d5b72e900335c116
AgentTesla
bbb9a417f02e708434b3737c20a59fa322c15b170be8befed9167c2f5573f2f0
AgentTesla
e78c8648218f38b73143f2db83c972448cbebf6018e3d74f99622a84f3aff875
AgentTesla
ee2d6cda7585d392ee28500511546801d26497bf883838e469c3892ea5b21551
AgentTesla
+ 5'763 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/230920-h68fysef6x/
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
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
62206234b0b1d105ce9dfe6ea0c5948f6d7ee18cec2ed5b65b21e7120de565be
MD5 hash:
04b623e012d84b44d58696af4f2476d9
SHA1 hash:
a861bab407bca504c12e57903d398fc2097daf2e
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/b7698ca1-58ee-4bed-8a18-e0564e1e5213/
Parent samples :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 hash:
78f2c4e059b6661cfe5b28008c4fd34958c3a035f3c0b7fe2a73e5ddd7144146
MD5 hash:
b84c86b854c77f4e956a7ba5fd6d81b6
SHA1 hash:
a317106e20c2f0d872f0d913873a3093fab208ac
Link:
https://www.unpac.me/results/b7698ca1-58ee-4bed-8a18-e0564e1e5213/
SH256 hash:
0b4c93addb0071e4cc368bc5e46a535e2eafd360b5db8b6c87620d7225eade2d
MD5 hash:
e17d9bb18c1bf12de8c75fa570f4cf72
SHA1 hash:
97751a31524557387d136e0e42e204186d00b5dd
Link:
https://www.unpac.me/results/b7698ca1-58ee-4bed-8a18-e0564e1e5213/
SH256 hash:
6d033582691fbfed1308554793024626bcc07d07e904aca0d26f93f2a083893d
MD5 hash:
68903a58dc8c61f5b9c13ddf753be9d5
SHA1 hash:
1f91c9345407ec20fe08243ffea1db32c8d7fb27
Link:
https://www.unpac.me/results/b7698ca1-58ee-4bed-8a18-e0564e1e5213/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6d033582691f/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/6d033582691fbfed1308554793024626bcc07d07e904aca0d26f93f2a083893d

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:NET
Create hunting rule
Author:malware-lu
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

7z 105b794d85b5a1da2dc39cab29f7cddccaaedcb000943c04a5cef0f8c6f94e62

AgentTesla

Executable exe 6d033582691fbfed1308554793024626bcc07d07e904aca0d26f93f2a083893d

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 105b794d85b5a1da2dc39cab29f7cddccaaedcb000943c04a5cef0f8c6f94e62
Cape
Cape
https://www.capesandbox.com/analysis/449938/
  
Dropped by
MD5 1bc2d2afdc016c3f908c961706087094

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