MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 41e1c93f11283edd4df4fe992a190123ca4356368c12af66b41d143cec90d8c6. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 41e1c93f11283edd4df4fe992a190123ca4356368c12af66b41d143cec90d8c6
SHA3-384 hash: 5bbababb82546c9e74d3ad466b27649849d9c620de3fcbca07b3f2a5f132a81b7767252a5563031c3d34a235de4abdd2
SHA1 hash: 44347f048e38b4fac122555fd87804218d4d0849
MD5 hash: 791fedcc55db304fba84b891b302de4b
humanhash: mirror-south-sad-twenty
File name:Bank Transfer.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:317'785 bytes
First seen:2023-03-01 13:17:33 UTC
Last seen:2023-03-01 14:31:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:vYa6clOUfXWR0Q0NK89izfu6/zc4M4c+We0+WHdPJdBBa9:vYyfvWR0Q0b9izbzcY3WM+LPs9
Threatray 1'029 similar samples on MalwareBazaar
TLSH T14564129062F4C99BC9D22271A67E0FBB6FA5DB225454D70B43501F9E3D22780FE4E392
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 cocaman
Tags:AgentTesla exe payment

Intelligence

File Origin
# of uploads :
3
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Bank Transfer.exe
Verdict:
Malicious activity
Analysis date:
2023-03-01 13:19:06 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/055c58bc-362a-4e2f-b5fd-465ccf06896b

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/370799/
Detection(s):
SecuriteInfo.com.Trojan.Loader.1322.25925.5808.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Reading critical registry keys
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63ff508c93921fa042361da8/reports/e8293cee-0ade-4cd3-8332-d21c40b4a24b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/41e1c93f11283edd4df4fe992a190123ca4356368c12af66b41d143cec90d8c6
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/5ba4c917-02cb-4c65-ba72-e4723e5e3cf8
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1184889
Signature
Contains functionality to register a low level keyboard hook
Creates multiple autostart registry keys
Detected unpacking (creates a PE file in dynamic memory)
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)
Snort IDS alert for network traffic
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)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 817745 Sample: Bank Transfer.exe Startdate: 01/03/2023 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected Telegram RAT 2->53 55 3 other signatures 2->55 7 Bank Transfer.exe 19 2->7         started        10 scxhqmvrbkpy.exe 2->10         started        13 scxhqmvrbkpy.exe 2->13         started        process3 file4 31 C:\Users\user\AppData\Local\...\bfcnmxy.exe, PE32 7->31 dropped 15 bfcnmxy.exe 1 2 7->15         started        65 Multi AV Scanner detection for dropped file 10->65 19 WerFault.exe 3 10 10->19         started        21 WerFault.exe 10 13->21         started        signatures5 process6 file7 33 C:\Users\user\AppData\...\scxhqmvrbkpy.exe, PE32 15->33 dropped 41 Multi AV Scanner detection for dropped file 15->41 43 Detected unpacking (creates a PE file in dynamic memory) 15->43 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->45 47 5 other signatures 15->47 23 bfcnmxy.exe 17 3 15->23         started        27 bfcnmxy.exe 15->27         started        29 bfcnmxy.exe 15->29         started        signatures8 process9 dnsIp10 35 api4.ipify.org 104.237.62.211, 443, 49712 WEBNXUS United States 23->35 37 api.telegram.org 149.154.167.220, 443, 49715 TELEGRAMRU United Kingdom 23->37 39 api.ipify.org 23->39 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->57 59 Tries to steal Mail credentials (via file / registry access) 23->59 61 Creates multiple autostart registry keys 23->61 63 2 other signatures 23->63 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/41e1c93f11283edd4df4fe992a190123ca4356368c12af66b41d143cec90d8c6/
Threat name:
Win32.Trojan.Strab
Create hunting rule
Status:
Malicious
First seen:
2023-03-01 08:31:45 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 25 (84.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ihq4spyrfa7n2tpu72msugibepfegvrwrqjk6zvudukdz3eq3dda._file
Verdict:
malicious
Similar samples:
aaf0aae0610d84f673e476995899a9fd5169ade32485bbfa248b6571132b100b
AgentTesla
bf3631806c04d8c76aff535c2155d6de15bc1ee2ae80dc407ad62e817988692c
AgentTesla
e3acbd8474659652444e67e323989f6f13abbce5045dea75d5ecbb190b68f77e
AgentTesla
f022b03b270b8b1d9cd7d8770cad609e7fb14f88220455f7f35f1010fef4d44e
AgentTesla
+ 1'019 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/230301-qjybgafh2s/
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
Adds Run key to start application
Looks up external IP address via web service
Executes dropped EXE
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
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5662683474:AAFvSjyPXTiwhBPcFi8of3_-_FCdfhhN8x0/
Unpacked files
SH256 hash:
023e20b384e13bd915d2739769a624a37cfbe1cc4066258b79166839d16def1a
MD5 hash:
c44c642671af3f00b369987da1339e7d
SHA1 hash:
c852d2dbd93008af36de69da21ea740f269e77b9
Link:
https://www.unpac.me/results/5f6daa84-fff0-4584-8e7b-ad65a1d20c55/
SH256 hash:
41e1c93f11283edd4df4fe992a190123ca4356368c12af66b41d143cec90d8c6
MD5 hash:
791fedcc55db304fba84b891b302de4b
SHA1 hash:
44347f048e38b4fac122555fd87804218d4d0849
Link:
https://www.unpac.me/results/5f6daa84-fff0-4584-8e7b-ad65a1d20c55/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/41e1c93f1128/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/41e1c93f11283edd4df4fe992a190123ca4356368c12af66b41d143cec90d8c6

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

zip 666a11b3ad97b336ff904b5a6af545c746357e5fc65019e1e06f640eb2c89e73

AgentTesla

Executable exe 41e1c93f11283edd4df4fe992a190123ca4356368c12af66b41d143cec90d8c6

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 666a11b3ad97b336ff904b5a6af545c746357e5fc65019e1e06f640eb2c89e73
Cape
Cape
https://www.capesandbox.com/analysis/370799/
  
Dropped by
SHA256 10e3c42c599849744c5f4f803ef3e9830d634731e107f4fa77e6af9ea2f6f1a2
  
Dropped by
MD5 0eaacd52ed27c1003f72593d847b5444
  
Dropped by
MD5 7297d26851cd2fda7690b791c80533c4

Comments