MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8c5637959b9cfac40d936a24f591db4492babd891f76274e15e81de8d65e219. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8c5637959b9cfac40d936a24f591db4492babd891f76274e15e81de8d65e219
SHA3-384 hash: 06b2b9d2918aea047512842d18a7f5ef83628f6a05713e5d8d2ee199e717b9b32fdf40f8d96dc6b1a9194195eb64d737
SHA1 hash: 1c95d0287a0b8aab5b44a4b0ceb1bd3db7374311
MD5 hash: 75d5d190bfde77d39ae04ddaf68df79e
humanhash: two-potato-idaho-whiskey
File name:payment.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:476'160 bytes
First seen:2022-05-17 08:26:41 UTC
Last seen:2022-05-17 13:20:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:z7oDSFI2W/E8EHCmOCGQOxPE2gnX8c13SbQRPqPJlgaY901Nus88y3aR9iAIX3qA:YDSFb8mCmV2NgwOAPYuys1R9zIKrIK
Threatray 17'209 similar samples on MalwareBazaar
TLSH T11FA4E1143B6C3C12C6AFD6BA8082C540D379C4AFBA63F3568FA7489F64447459362FB6
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter cocaman
Tags:AgentTesla exe RFQ

Intelligence

File Origin
# of uploads :
4
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
payment.exe
Verdict:
Malicious activity
Analysis date:
2022-05-18 05:59:11 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/bb396c17-9c95-4952-9ca7-0578edcdff68

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/271407/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Unauthorized injection to a system process
Changing the hosts file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed shell32.dll
Link:
https://www.filescan.io/uploads/62835c9422b733139c248836/reports/6750c20f-e522-4485-b4fd-5074c1d3df39/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/e99abc8b-70ba-445c-a726-0e5b903811b4
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/995607
Signature
.NET source code contains very large array initializations
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the hosts 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 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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b8c5637959b9cfac40d936a24f591db4492babd891f76274e15e81de8d65e219/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-17 01:15:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xdcwg6kzxhh2yqgzg2re6wi5wresxk6ysh3we5hbl2a55dlf4imq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
200a8761ad54a3eeb3039a37d654f3be76efcdd5a51b1f6f9f4b9584dc998e1e
AgentTesla
4b3b8f1f6ab69340cea4c78f21cb691e6efdb3ede2973a6315e947b281ea25c8
AgentTesla
4b3efdba2a0251d16190ac0faabe18091b391b70e55ac58d17f8ad2ac0baab68
AgentTesla
5a69092c2d9decda22f216947a5356ca728bc72538ab8a812236d86e64b2fbeb
AgentTesla
82a216069aa4c363845a1e64a4df37bd6f97643cca8849ac144e120fdb2411d0
AgentTesla
fcf29b318efa13adacaeb61650a2e8f974d90670a61c46a3990a48592e95924d
AgentTesla
+ 17'199 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/220517-kcf6qahdd7/
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
Drops file in Drivers directory
AgentTesla
Unpacked files
SH256 hash:
52db5a165dc39d7bb487021895012370efb8b7d7ee2562178763ed25fd818c66
MD5 hash:
ba8c092d87edbdc5d6ba98bfb7324c30
SHA1 hash:
fda57b6312dc717285918d7e3de53ce325692981
Link:
https://www.unpac.me/results/25b19d57-4013-4f92-835e-22e6ab73c466/
SH256 hash:
e0887537c09ce4046f39f7b298c7d05767c4068fc209a340c01a0bf3e62e3c21
MD5 hash:
e266ac244e52aac2981f6f6e70014534
SHA1 hash:
5ba3f3eb032d68086c8e11de10c111864b20b7a7
Link:
https://www.unpac.me/results/25b19d57-4013-4f92-835e-22e6ab73c466/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/25b19d57-4013-4f92-835e-22e6ab73c466/
SH256 hash:
b8c5637959b9cfac40d936a24f591db4492babd891f76274e15e81de8d65e219
MD5 hash:
75d5d190bfde77d39ae04ddaf68df79e
SHA1 hash:
1c95d0287a0b8aab5b44a4b0ceb1bd3db7374311
Link:
https://www.unpac.me/results/25b19d57-4013-4f92-835e-22e6ab73c466/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b8c5637959b9/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/b8c5637959b9cfac40d936a24f591db4492babd891f76274e15e81de8d65e219

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: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 8973d070a4469effd8f072ca69f963af1fcda8f96fe63252725c5ecfed2ff99f

AgentTesla

Executable exe b8c5637959b9cfac40d936a24f591db4492babd891f76274e15e81de8d65e219

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 8973d070a4469effd8f072ca69f963af1fcda8f96fe63252725c5ecfed2ff99f
Cape
Cape
https://www.capesandbox.com/analysis/271407/
  
Dropped by
MD5 34b084902298f053f55009ded87939a1

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