MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3671f50c59e91067f6161243ec3e701d87ebfe461dd0c3b8c520f50d8619598a. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3671f50c59e91067f6161243ec3e701d87ebfe461dd0c3b8c520f50d8619598a
SHA3-384 hash: 6fd449203f69730cd0876f9b90f6f71b3c6233e766adfd2078290497065cae102001c7caf94662a651840c6c43d21a9a
SHA1 hash: f2f4a48bc9d48815b090525c4d49e3937a9f4a94
MD5 hash: 861d01503fd3f2258907539fe4f4984d
humanhash: lima-autumn-illinois-fruit
File name:ZZ.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:311'258 bytes
First seen:2023-01-25 11:48:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:TYa6E9nxscxsV0m/GV95UqnZtTmQeJXfe32vEnZclbXnXTGnInit8y:TYi9nmQsFa5UTZqAEnGlbXKnV7
TLSH T1826422647AE080F3E09B12351E395792E7B3EC3514B1874FCB007A9CB5A3151E66EBA3
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter TeamDreier
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ZZ.exe
Verdict:
Malicious activity
Analysis date:
2023-01-25 11:50:11 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/628a4039-effe-405a-8bb1-516d96306465

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/356694/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Reading critical registry keys
Setting a keyboard event handler
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/62970/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63d117361c9cbf7d62528fe9/reports/4d3c8499-ea01-4689-bbc0-9677db9c4454/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/6c71b21e-a71f-4ab4-9de1-eca73f939b05
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1158647
Signature
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Installs a global keyboard hook
Machine Learning detection for sample
Maps a DLL or memory area into another process
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 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 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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3671f50c59e91067f6161243ec3e701d87ebfe461dd0c3b8c520f50d8619598a/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-01-25 02:23:00 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gzy7kdcz5eigp5qwcjb6yptqdwd6x7sgdximhogfed2q3bqzlgfa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection spyware stealer
Link:
https://tria.ge/reports/230125-ny1c9sfh52/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
Unpacked files
SH256 hash:
5f45629f8c8cf4ab2ccae1ad69b0dd0cdcc1206cc7de724f51dc7f9dbfc74301
MD5 hash:
e81b4dd55c6976e5476466160f5590c2
SHA1 hash:
9d82e4a83e83fbe1133e9f99dd88ed051690c28e
Link:
https://www.unpac.me/results/ede30a32-cfa5-4c48-8c10-e569fdfd49ac/
SH256 hash:
56fabe6b6f850e83259fef87ede2bf42d8301855482d8a47d78773ce06bc72aa
MD5 hash:
33292403716d457afb37a6e280d63bca
SHA1 hash:
744baf5b47617d7ae863297b0ff81642a66f8a47
Link:
https://www.unpac.me/results/ede30a32-cfa5-4c48-8c10-e569fdfd49ac/
SH256 hash:
6e590ad5a609a6a7eb8da1b1a04f40e28856358e82842c59a0b44204ef89f477
MD5 hash:
71f20b057e7cdcfa0052971862a0a4fc
SHA1 hash:
5168555af9de34f0a83372e89222621b79f34ab5
Link:
https://www.unpac.me/results/ede30a32-cfa5-4c48-8c10-e569fdfd49ac/
SH256 hash:
3671f50c59e91067f6161243ec3e701d87ebfe461dd0c3b8c520f50d8619598a
MD5 hash:
861d01503fd3f2258907539fe4f4984d
SHA1 hash:
f2f4a48bc9d48815b090525c4d49e3937a9f4a94
Link:
https://www.unpac.me/results/ede30a32-cfa5-4c48-8c10-e569fdfd49ac/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3671f50c59e9/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/3671f50c59e91067f6161243ec3e701d87ebfe461dd0c3b8c520f50d8619598a

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:pe_imphash
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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

Executable exe 3671f50c59e91067f6161243ec3e701d87ebfe461dd0c3b8c520f50d8619598a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/356694/

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