MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfb963f003ea24be47ad11eddee613145bb6a470df3cee4579a50921d0a40797. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bfb963f003ea24be47ad11eddee613145bb6a470df3cee4579a50921d0a40797
SHA3-384 hash: 52d5de438fff0ecca3b700d4a5eb8e830060cb3ad6121e0c5aca969d15d5ed5a9fa797975bbfcebe28160bed5f8b508e
SHA1 hash: cf7c8a41de4833d801876e6e67dc14106abd64d6
MD5 hash: 680563051110750ae57899012b93488e
humanhash: undress-cold-kilo-bacon
File name:Our Project Requirement of AU-600 (300,000PCS) drawings.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:312'765 bytes
First seen:2023-02-01 11:15:13 UTC
Last seen:2023-02-01 14:00:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:PYa6tMlPQ0KB2w02JXCfslAoNpstSTBBpYx+l/2x27RXUEZ2:PYPMJxM2mhAoiCBw+F2xmREEZ2
TLSH T106641258F6D4D42BD9911B722DF5524DABA8F60268FCDB8FA36003B73839A829D0D711
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

Intelligence

File Origin
# of uploads :
3
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Our Project Requirement of AU-600 (300,000PCS) drawings.exe
Verdict:
Malicious activity
Analysis date:
2023-02-01 11:16:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8cb53446-f29c-4791-853d-bdbfd678c51b

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/358949/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.15914.15959.27705.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
Sending a custom TCP request
Reading critical registry keys
Сreating synchronization primitives
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/64453/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook nemesis overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63da49f51c9cbf7d62551ac1/reports/958ad289-0482-4a5e-a66a-ddc3990acfc4/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/5811c197-8443-44fe-bdc6-a4360d04821f
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1163112
Signature
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Machine Learning detection for sample
Maps a DLL or memory area into another process
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 795871 Sample: Our Project Requirement of ... Startdate: 01/02/2023 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected AgentTesla 2->36 38 Machine Learning detection for sample 2->38 7 Our Project Requirement of AU-600 (300,000PCS) drawings.exe 19 2->7         started        10 onrtwycglu.exe 2->10         started        12 onrtwycglu.exe 2->12         started        process3 file4 26 C:\Users\user\AppData\Local\...\yutndzuag.exe, PE32 7->26 dropped 14 yutndzuag.exe 1 2 7->14         started        18 WerFault.exe 10 10->18         started        20 WerFault.exe 4 10 12->20         started        process5 file6 28 C:\Users\user\AppData\...\onrtwycglu.exe, PE32 14->28 dropped 46 Multi AV Scanner detection for dropped file 14->46 48 Detected unpacking (creates a PE file in dynamic memory) 14->48 50 Detected unpacking (overwrites its own PE header) 14->50 52 4 other signatures 14->52 22 yutndzuag.exe 15 2 14->22         started        signatures7 process8 dnsIp9 30 discord.com 162.159.136.232, 443, 49701 CLOUDFLARENETUS United States 22->30 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->40 42 Tries to steal Mail credentials (via file / registry access) 22->42 44 Tries to harvest and steal browser information (history, passwords, etc) 22->44 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bfb963f003ea24be47ad11eddee613145bb6a470df3cee4579a50921d0a40797/
Threat name:
Win32.Trojan.Nemesis
Create hunting rule
Status:
Malicious
First seen:
2023-02-01 07:26:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
25 of 39 (64.10%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x64wh4ad5isl4r5nchw55zqtcrn3njdq346o4rlzuuesdufea6lq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection persistence spyware stealer
Link:
https://tria.ge/reports/230201-ndpe9seh4v/
Behaviour
Suspicious behavior: MapViewOfSection
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
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
Executes dropped EXE
Unpacked files
SH256 hash:
70f0a74e52ac73b6d4293d8b56b7d59f998864f9715b642802cf2091d81e0313
MD5 hash:
f1d61ae8f97d03250cf4d110dafc699b
SHA1 hash:
bbc3f83a969fe4678f4e5517675007d479d166af
Link:
https://www.unpac.me/results/d485b9c3-b882-421a-b811-290622c8c153/
SH256 hash:
12748cc6a2b691126ff93c95aad8c876d26f0a792b0e4d06d3f700c2b0a0dc1e
MD5 hash:
b50678cf8024cc05b0d32d42c82b0526
SHA1 hash:
82d3dc30a01715a4ddb407eb7a7a0b67f4a05728
Link:
https://www.unpac.me/results/d485b9c3-b882-421a-b811-290622c8c153/
SH256 hash:
c9451a400a6563ebd64f7404b02a186bf9fe05cf4eae7f71b2fb31516da4a229
MD5 hash:
ea83fac86b56e73c1ba93dc746d40f90
SHA1 hash:
984eab6788f0ae3eb6d07752b5fab0db7c9b6a30
Link:
https://www.unpac.me/results/d485b9c3-b882-421a-b811-290622c8c153/
SH256 hash:
bfb963f003ea24be47ad11eddee613145bb6a470df3cee4579a50921d0a40797
MD5 hash:
680563051110750ae57899012b93488e
SHA1 hash:
cf7c8a41de4833d801876e6e67dc14106abd64d6
Link:
https://www.unpac.me/results/d485b9c3-b882-421a-b811-290622c8c153/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bfb963f003ea/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/bfb963f003ea24be47ad11eddee613145bb6a470df3cee4579a50921d0a40797

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

7z ac7a77071b947ec60c4dfa4c32fe8c2d0e7c34a5ad0ea05f5095b7a237fc9e22

AgentTesla

Executable exe bfb963f003ea24be47ad11eddee613145bb6a470df3cee4579a50921d0a40797

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 ac7a77071b947ec60c4dfa4c32fe8c2d0e7c34a5ad0ea05f5095b7a237fc9e22
Cape
Cape
https://www.capesandbox.com/analysis/358949/
  
Dropped by
MD5 d52ade696ca2f9790614276cb0634e8d

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