MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8f5077af987289051b2171cc862f5584adf7364f29c14d8c5ebde4e20be498c. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d8f5077af987289051b2171cc862f5584adf7364f29c14d8c5ebde4e20be498c
SHA3-384 hash: 432942f3f724b9de99a63ea65e84decb44c2b3447a7bf00df77df35f71a6a7543e17017c3e7b6f7ccc20fe2c98a271fd
SHA1 hash: 8aefdad132324a07e539af31a7c20f4a18307faf
MD5 hash: 774cfeaf6aed35dca1985f5b8d092c7b
humanhash: music-violet-cardinal-uncle
File name:Nrb.rar
Download: download sample
Signature AgentTesla
Create hunting rule
File size:611'956 bytes
First seen:2023-09-11 15:05:30 UTC
Last seen:2023-09-11 15:06:10 UTC
File type: rar
MIME type:application/x-rar
ssdeep 12288:HOvtQ32tHk/+FZwCHf3r5kyO4ceV4tHgbFeEItwlqeRdnUi8Xr8:V0E/01P99QC4J0eEQwl9Uiy8
TLSH T199D4239A98DC73E4F1D604884C36593E4F5BA1A3D76E5424A7B27C3F031A0DE348A6B9
TrID 58.3% (.RAR) RAR compressed archive (v-4.x) (7000/1)
41.6% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:AgentTesla rar


Avatar
cocaman
Malicious email (T1566.001)
From: "TTS Ishwor <ishwor.nepal@ttspl.in>" (likely spoofed)
Received: "from ttspl.in (unknown [163.123.143.80]) "
Date: "11 Sep 2023 17:03:42 +0200"
Subject: "RE: REQUEST FOR IGM FILLING/FCL/HLCUGDY230729444/ WAW0105099/158.4 CBM/WARSZAWA/POLAN"
Attachment: "Nrb.rar"

Intelligence

File Origin
# of uploads :
3
# of downloads :
102
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:Nrb.exe
File size:629'760 bytes
SHA256 hash: d8b5d4fe4499976563bd1d47c252c70c0e0e4aa424ff5b8a082a2aaa6cc39ed7
MD5 hash: 40c97d45e36cb3764c94341db6d5886b
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Rogue.0hr.20230911-1739.UNOFFICIAL
Create hunting rule

Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/d8f5077af987289051b2171cc862f5584adf7364f29c14d8c5ebde4e20be498c/results/dashboard
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/64ff2cdbefe2af27e9ccbaa4/reports/4f86d192-e75f-4761-839b-e04cdb389f4d/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/d8f5077af987289051b2171cc862f5584adf7364f29c14d8c5ebde4e20be498c
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.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d8f5077af987289051b2171cc862f5584adf7364f29c14d8c5ebde4e20be498c/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-09-11 10:46:29 UTC
File Type:
Binary (Archive)
Extracted files:
8
AV detection:
14 of 22 (63.64%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3d2qo6xzq4ujaunsc4omqyxvlbfn643e6kobjwgf5ppe4if6jgga._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230911-sj14gagh77/
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
Looks up external IP address via web service
Checks computer location settings
AgentTesla
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/d8f5077af987289051b2171cc862f5584adf7364f29c14d8c5ebde4e20be498c

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:NETexecutableMicrosoft
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

rar d8f5077af987289051b2171cc862f5584adf7364f29c14d8c5ebde4e20be498c

(this sample)

AgentTesla

Executable exe d8b5d4fe4499976563bd1d47c252c70c0e0e4aa424ff5b8a082a2aaa6cc39ed7

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 d8b5d4fe4499976563bd1d47c252c70c0e0e4aa424ff5b8a082a2aaa6cc39ed7
  
Dropping
MD5 40c97d45e36cb3764c94341db6d5886b

Comments