MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8cdf47271e7f93ca7f876f16681ac85f7748c87c1847e5ca39271f9efa166cb. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8cdf47271e7f93ca7f876f16681ac85f7748c87c1847e5ca39271f9efa166cb
SHA3-384 hash: 4b06a8713d7293ac7571d4f9db354ab03e3825fbafd1876a1a9adfe245da81a10f903514d4d4b5837880839c2c0f37ac
SHA1 hash: 9e261749d66a26ab57a8669b3fb73869ddbf8192
MD5 hash: e0bc3da078540ae09522db6a5a12a241
humanhash: nuts-black-violet-harry
File name:GtkmlwjtDuBs57n.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:952'320 bytes
First seen:2022-09-11 23:52:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'658 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:fh1RiFvmEXHULyYqrJaMw60N77vlA+8rkH5gTdku6EfrsEFCLy:fdQm80Tqdk3iVi5gTd4Ir7FCG
TLSH T1BC150B0B11850CB4D87250BCA4CCC1775B69DE44E67BC959BFCE9CAFF192E2C46E26A0
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 GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
399
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
GtkmlwjtDuBs57n.exe
Verdict:
Malicious activity
Analysis date:
2022-09-11 23:56:08 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/8dfadb8b-c5c2-426f-871c-ce6178e6eade

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/309385/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1364.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/631e7527d836d691848766d5/reports/01fe71d3-cf1f-4e0d-879e-972d160b387e/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/f416c500-4680-47ff-bc5f-0ce36f1ab63f
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1068568
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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)
Snort IDS alert for network traffic
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)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b8cdf47271e7f93ca7f876f16681ac85f7748c87c1847e5ca39271f9efa166cb/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-09-06 15:02:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xdg7i4tr474tzj7yo3ywnanmqx3xjdehygch4xfdsjy7t35bm3fq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220911-3w9w9acdb9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
AgentTesla payload
AgentTesla
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b62275d9-3871-45ac-b091-1edddc09f565
Unpacked files
SH256 hash:
55fbe651983bfbea36c3ecf019b26841175c272259b5ed34f5c161275c26176e
MD5 hash:
4496de3f82462397c4fb75316fff9cb4
SHA1 hash:
51bf38d15ad62ad8fb0a7d9cfe3e318e551f3e4c
Link:
https://www.unpac.me/results/2d6629e4-38ee-4a39-8598-6ec0a263126b/
SH256 hash:
3115ba79006cba6730ad6b2926429a2cd8a30f9101c529ac42a808a8f7ccc67e
MD5 hash:
59d73e13c6051af0709e6c15a7f6fcc7
SHA1 hash:
43375c45a9c7cad0ac79f0448737d2d9132b060b
Link:
https://www.unpac.me/results/2d6629e4-38ee-4a39-8598-6ec0a263126b/
SH256 hash:
8b533ffaed24e0351e489b14aaac6960b731db189ce7ed0c0c02d4a546af8e63
MD5 hash:
dbc7be56e6e32349315170599c8b333f
SHA1 hash:
d8e5840e3574b87d435e55a65ac648e040871aee
Link:
https://www.unpac.me/results/2d6629e4-38ee-4a39-8598-6ec0a263126b/
SH256 hash:
de3a714bd38f217b0347b2393b25becfcfc3a4a60ceb1fc0a938761ba0998e2d
MD5 hash:
23034bac2fe623f35fdb01066da10bb5
SHA1 hash:
643c52b5d82b9424fd599fc2384b4a72525e4e61
Link:
https://www.unpac.me/results/2d6629e4-38ee-4a39-8598-6ec0a263126b/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/2d6629e4-38ee-4a39-8598-6ec0a263126b/
SH256 hash:
b8cdf47271e7f93ca7f876f16681ac85f7748c87c1847e5ca39271f9efa166cb
MD5 hash:
e0bc3da078540ae09522db6a5a12a241
SHA1 hash:
9e261749d66a26ab57a8669b3fb73869ddbf8192
Link:
https://www.unpac.me/results/2d6629e4-38ee-4a39-8598-6ec0a263126b/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b8cdf47271e7/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/b8cdf47271e7f93ca7f876f16681ac85f7748c87c1847e5ca39271f9efa166cb

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:pe_imphash
Create hunting rule
Rule name:RansomwareTest3
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
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 b8cdf47271e7f93ca7f876f16681ac85f7748c87c1847e5ca39271f9efa166cb

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/309385/

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