MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4f5ab297be81516ae9c0cd602d0bcab9050c8321b5675dc1ddbfa99be09f9af. 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: 15


Intelligence 15 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4f5ab297be81516ae9c0cd602d0bcab9050c8321b5675dc1ddbfa99be09f9af
SHA3-384 hash: 86c9e881261b98bf356d4a43e12285a560632d5859e12b1b2404cf8068c1c25488c968a6cf6d77d8c17ec044ef657f7b
SHA1 hash: fc6cd75c16babd85ff8df1b4e0fa5edd361758e8
MD5 hash: 1148c85897a1e993f4eb0f08be37ec0b
humanhash: georgia-crazy-thirteen-fillet
File name:SecuriteInfo.com.Trojan.PackedNET.1293.6643.1960
Download: download sample
Signature AgentTesla
Create hunting rule
File size:214'400 bytes
First seen:2022-09-20 08:59:02 UTC
Last seen:2022-09-20 12:11:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:U0M9XCwEB3fGQZjtrjYqZjZ3aTItQYFQwjgTG:U0MlCwEB3+gjtXYs93aYMa
Threatray 18'977 similar samples on MalwareBazaar
TLSH T1C724CF487610B98FC42BC972CDDA5C10ABA479A7531BD247A49733EC460E3DBCE160EB
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% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Trojan.PackedNET.1293.6643.1960
Verdict:
Malicious activity
Analysis date:
2022-09-20 09:00:38 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/9e6dbd12-12f2-4d9b-9b44-3234529e001f

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/311598/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1293.6643.1960.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/632980e02a470d893ae8fc25/reports/f3af88d8-e3a6-4669-8ac5-67763131b101/overview
Result
Verdict:
UNKNOWN
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/9648422c-184b-4a96-83dc-b82077be09bc
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1073531
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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 steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b4f5ab297be81516ae9c0cd602d0bcab9050c8321b5675dc1ddbfa99be09f9af/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-09-20 07:04:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wt22wkl35akrnlu4btlafuf4voifbsbsdnlhlxa53p5jtpqj7gxq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
formbook
Create hunting rule
Similar samples:
0cefce0036bdcae72d06ede18a35ae7d38ea378aef702c2bd67006670c19bbc1
AgentTesla
1695c55524e65b2f24d810ce577d0e3e05c8598facda559462748b8f181224ad
AgentTesla
7f62fd53088ebd8b9bd81030503ce5022bbd176782989824bf2fc5372580cf7e
AgentTesla
a59fd17f9d10de072c5ebef7f57a040d0f2dfd5d66c0640020be80f204d48588
AgentTesla
c0d07dcb0ca5b59c04138e5975f78ff633ab9a34a2548077fabcc74c13090c59
AgentTesla
d10b26ce75e48b20408863a7fae277cad3ed1135662d1ab4065e39f2a5cc4512
AgentTesla
df16ab790a09329e447422f579382e23f5d3212c63a9b90c80c61405af18d57b
AgentTesla
+ 18'967 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220920-kxsegsgahl/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
AgentTesla payload
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2d0a722e-8bae-48ce-b7b8-d75e6e113ed1
Unpacked files
SH256 hash:
ac5a7a609440f3fdbe118482cdc8deae1f9fecafd49edccc7654ae9f4891de7e
MD5 hash:
20a448eb40cd823a9f74645a265f39b1
SHA1 hash:
1f6bfd2c689a4fea4c871e3d621af31236571bb7
Link:
https://www.unpac.me/results/78868fab-4b2e-4ed1-bff3-863c7e69a09c/
Parent samples :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 hash:
5fcd41eb441a94704a14c7af80f22168dc8b0141cc65312cf7def2e829280fba
MD5 hash:
df8aa2af0bbb5e8ef6e24ca6b829c449
SHA1 hash:
0c21547d39a997ffcc0d9fb0af169a732decf558
Link:
https://www.unpac.me/results/78868fab-4b2e-4ed1-bff3-863c7e69a09c/
SH256 hash:
b4f5ab297be81516ae9c0cd602d0bcab9050c8321b5675dc1ddbfa99be09f9af
MD5 hash:
1148c85897a1e993f4eb0f08be37ec0b
SHA1 hash:
fc6cd75c16babd85ff8df1b4e0fa5edd361758e8
Link:
https://www.unpac.me/results/78868fab-4b2e-4ed1-bff3-863c7e69a09c/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b4f5ab297be8/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/b4f5ab297be81516ae9c0cd602d0bcab9050c8321b5675dc1ddbfa99be09f9af

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:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:RansomwareTest6
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_ab4444e9
Create hunting rule
Author:Johannes Bader
Description:detects Agent Tesla
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.

Cape
Cape
https://www.capesandbox.com/analysis/311598/

Comments