MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4acbabd93e55487da72e2e8d833d74c92c0eb165d95eaf808d20da75ac43130. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f4acbabd93e55487da72e2e8d833d74c92c0eb165d95eaf808d20da75ac43130
SHA3-384 hash: 5b6728e6e368651e65ac30562cc676d0041c6c5edcb862f270c6700470a93fecfce3c904144255c783bd1f1d9df28f24
SHA1 hash: d88c1f15dad6058eba39b92ff1a7f11bb52956c2
MD5 hash: 7e0f092bd0e7134b4eece20f2f29f1c3
humanhash: wyoming-spring-lake-violet
File name:POHG18100405.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:493'056 bytes
First seen:2021-11-10 14:12:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:/5KuwHtD00vf/z1ihjpdBHkjkJSjkm53OCk:ZwHC0EhjNHkjJkm53U
Threatray 12'668 similar samples on MalwareBazaar
TLSH T1C0A4F1357F58D959D3318639CCEF845003FC754929A6C76A7FCA238F69623F12C20A6A
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
103
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/204754/
Detection(s):
Win.Packed.Msilzilla-9907552-0
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/618bd370175442ca93aabf4a/reports/1aa80bd5-c25d-4f15-b105-03167d7a7fac/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:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/df216ea9-581b-41a8-9caa-7d15810f8812
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/886775
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Modifies the hosts file
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)
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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 / registry 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: 519262 Sample: POHG18100405.exe Startdate: 10/11/2021 Architecture: WINDOWS Score: 100 58 Found malware configuration 2->58 60 Multi AV Scanner detection for dropped file 2->60 62 Multi AV Scanner detection for submitted file 2->62 64 7 other signatures 2->64 7 POHG18100405.exe 7 2->7         started        11 tKZVPq.exe 2->11         started        13 tKZVPq.exe 2->13         started        process3 file4 42 C:\Users\user\AppData\...\QkiSucDkVPbJA.exe, PE32 7->42 dropped 44 C:\Users\user\AppData\Local\...\tmpDC47.tmp, XML 7->44 dropped 46 C:\Users\user\...\POHG18100405.exe.log, ASCII 7->46 dropped 66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->66 68 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->68 70 Uses schtasks.exe or at.exe to add and modify task schedules 7->70 72 Adds a directory exclusion to Windows Defender 7->72 15 POHG18100405.exe 2 5 7->15         started        20 powershell.exe 25 7->20         started        22 schtasks.exe 1 7->22         started        74 Multi AV Scanner detection for dropped file 11->74 76 Injects a PE file into a foreign processes 11->76 24 schtasks.exe 11->24         started        26 tKZVPq.exe 11->26         started        28 schtasks.exe 13->28         started        signatures5 process6 dnsIp7 48 smtp.vivaldi.net 31.209.137.12, 49812, 587 HRINGDU-ASIS Iceland 15->48 36 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 15->36 dropped 38 C:\Windows\System32\drivers\etc\hosts, ASCII 15->38 dropped 40 C:\Users\user\...\tKZVPq.exe:Zone.Identifier, ASCII 15->40 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->50 52 Tries to steal Mail credentials (via file / registry access) 15->52 54 Tries to harvest and steal ftp login credentials 15->54 56 3 other signatures 15->56 30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        34 conhost.exe 24->34         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f4acbabd93e55487da72e2e8d833d74c92c0eb165d95eaf808d20da75ac43130/
Threat name:
ByteCode-MSIL.Trojan.Zilla
Create hunting rule
Status:
Malicious
First seen:
2021-11-10 14:13:05 UTC
AV detection:
18 of 45 (40.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6swlvpmt4vkipwts4lunqm6xjsjmb2ywlwk6v6ai2ig2owwegeya._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
285013a4be37307c44edf2a923d5a4bf9c52dcfacec1a0308046f9689f1fd19f
AgentTesla
434b110551c4dd3b6fedad376749953dbb90d9b4cddfb381355c508397a1f96f
AgentTesla
6487c34d146a2277a4b10041ef255c9b024b24b3a44bad3fc7652a2f908af2b8
AgentTesla
91cab6b6ad40af70ba2bb3dc7127c4fa867334fddbbd5ef4cde09e0ee3ac636e
AgentTesla
cff634048d6a2f51f024be83033493d77290fce66f23e9a1f0c4bcea7c6ae8da
AgentTesla
f3a3699e78a1a54ea10b4dc8f03044ec422c22c7a6c5ee69b3c7248272e6d2ac
AgentTesla
+ 12'658 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/211110-rjepssechj/
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
91655863c7906a8d20c7c782144f553c027843a72f2fdab2b1ccc80808083af0
MD5 hash:
b5044dd0e9c91b1a9185d491da7d07f2
SHA1 hash:
a9ff8129771d85f77b6a145f750c70e53f51125e
Link:
https://www.unpac.me/results/894294ea-4419-4218-b84e-5e3222f95a65/
SH256 hash:
5d9e8366d070e2e5533433d6949dc13ef950eb89d6528f24ae28aa71cd226d7c
MD5 hash:
979eac31be099b2f3a05879112a8502f
SHA1 hash:
4d78e441843902a1c86508a214a0910261bc1bb6
Link:
https://www.unpac.me/results/894294ea-4419-4218-b84e-5e3222f95a65/
SH256 hash:
196a4ed76e59da4c2c60711e399eee60b303bdd056a0eeeb319633caedce1fd9
MD5 hash:
f1e2cd862160016c504afe044ddc8243
SHA1 hash:
2071538831e4d5e4030635c4375f9b8a4134e9c1
Link:
https://www.unpac.me/results/894294ea-4419-4218-b84e-5e3222f95a65/
SH256 hash:
f4acbabd93e55487da72e2e8d833d74c92c0eb165d95eaf808d20da75ac43130
MD5 hash:
7e0f092bd0e7134b4eece20f2f29f1c3
SHA1 hash:
d88c1f15dad6058eba39b92ff1a7f11bb52956c2
Link:
https://www.unpac.me/results/894294ea-4419-4218-b84e-5e3222f95a65/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/f4acbabd93e5/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/f4acbabd93e55487da72e2e8d833d74c92c0eb165d95eaf808d20da75ac43130

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: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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe f4acbabd93e55487da72e2e8d833d74c92c0eb165d95eaf808d20da75ac43130

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/204754/

Comments