MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4edff8c4560f792c25771b018a69794f957964d4da9403062742c5f11e95052. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4edff8c4560f792c25771b018a69794f957964d4da9403062742c5f11e95052
SHA3-384 hash: 40b195c2ecc5de69207a6e4105cdadf1a6b4a560d8ed3b4fb775a915ba341bc6b1bc12415a8a6c43c8503e09b77f9db3
SHA1 hash: cb9f1cb333dafd1c64eacfb8b55f523f6ebdc8a6
MD5 hash: 6551aef301d243b7d5c552846ddad622
humanhash: jig-utah-triple-november
File name:PURCHASE ORDER.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:326'239 bytes
First seen:2023-02-16 08:17:20 UTC
Last seen:2023-02-16 09:30:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:PYa6AOBVx4kfJzCp3HYE6x2EU7LIv7UMU/2i4RildPgVEjM:PY+AjxzClr6HU7a7UMg2ioSt4EjM
Threatray 26'138 similar samples on MalwareBazaar
TLSH T12564134427EEC15AEC920672597A4B1F3ED2D51038ED1207A3A01EADBF269D1FB0D761
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 Shipping

Intelligence

File Origin
# of uploads :
7
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PURCHASE ORDER.exe
Verdict:
Malicious activity
Analysis date:
2023-02-16 08:17:58 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/cdc8aba8-8e69-4f19-849f-f2e3e0ddb3cd

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/367086/
Detection(s):
SecuriteInfo.com.Trojan.Garf.Gen.8.32526.10199.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
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
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/70775/overview
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
83%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63ede6bc8b045c831fba135d/reports/998ef6a6-9f65-4923-9919-43d941a9fe6f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b4edff8c4560f792c25771b018a69794f957964d4da9403062742c5f11e95052
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/2f50b9a6-c6f3-47fe-ac1e-72a83c75c2d5
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1176712
Signature
Detected unpacking (creates a PE file in dynamic memory)
Executable has a suspicious name (potential lure to open the executable)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Initial sample is a PE file and has a suspicious name
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
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b4edff8c4560f792c25771b018a69794f957964d4da9403062742c5f11e95052/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-02-16 01:14:21 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
18 of 25 (72.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wtw77dcfmd3zfqsxogybrjuxst4vpfsnjwuuamdcoqwf6epjkbja._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1143b577b1f61ea03807acd45383937486fd8f7873df1d1485848e0af7bc8780
AgentTesla
3f1d383f87ddadde53543ae6155ce7ef17b543aaa8af6b4953e26a64ae796ce8
AgentTesla
5a33ab9d4ba9f6e181aafbd78846f9f0be7e87605400e1ec74880b358c9ba94c
AgentTesla
8f2561369ef2cb842b5de723de6ecd7db391f32391406ced8b10b184076c8ee9
AgentTesla
9b5c3c9ea67248603ff93f97602bb0edcd66d702b00c3d08566528e3acdf073e
AgentTesla
b4edff8c4560f792c25771b018a69794f957964d4da9403062742c5f11e95052
AgentTesla
c5cb50f2a9e4e82bab699a454bfd0370d9b0990edfe795c7e2903cc2369935b0
AgentTesla
+ 26'128 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/230216-j69vfsgc9z/
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
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
Unpacked files
SH256 hash:
13f3862ee9b9a445d36ae99d6622cf6fd8a84597912b4c0f5060ca551d0e3fef
MD5 hash:
e15b474e087940f3ea962a7c78bb05f5
SHA1 hash:
e65ad1bbb9f0c4eb2d8ce855177bca5a1521ff20
Link:
https://www.unpac.me/results/49d571a1-b29a-4db8-9463-8aaac73d85a1/
SH256 hash:
f5cbed191d1f49d1ae6b6599246bd7086aef77e4527a030aff75c68a82957b83
MD5 hash:
476d0f32104a003410b055da5e8fa982
SHA1 hash:
b7a825350759425c8762808dd81bb02bbf55740d
Link:
https://www.unpac.me/results/49d571a1-b29a-4db8-9463-8aaac73d85a1/
SH256 hash:
c36155c751af32c3c05cf00662ef6948676878895062f6770a8548c227d99dec
MD5 hash:
4926e703888c6492d564fa66417fddeb
SHA1 hash:
7082e1a55d8380f55d49f3655839f50d1007b990
Link:
https://www.unpac.me/results/49d571a1-b29a-4db8-9463-8aaac73d85a1/
SH256 hash:
b4edff8c4560f792c25771b018a69794f957964d4da9403062742c5f11e95052
MD5 hash:
6551aef301d243b7d5c552846ddad622
SHA1 hash:
cb9f1cb333dafd1c64eacfb8b55f523f6ebdc8a6
Link:
https://www.unpac.me/results/49d571a1-b29a-4db8-9463-8aaac73d85a1/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b4edff8c4560/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/b4edff8c4560f792c25771b018a69794f957964d4da9403062742c5f11e95052

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 995e439cc187e0599e718d6f55a8e37111c574e8a72205e89b2c7fadc9c049d5

AgentTesla

Executable exe b4edff8c4560f792c25771b018a69794f957964d4da9403062742c5f11e95052

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 995e439cc187e0599e718d6f55a8e37111c574e8a72205e89b2c7fadc9c049d5
  
Dropped by
SHA256 3585f3f256a789927b6f0bc2f9cfa6d26851d04ef6eae2013b78f6680d80dc7d
Cape
Cape
https://www.capesandbox.com/analysis/367086/
  
Dropped by
MD5 bffb643ca0963d370647330bd635e48b
  
Dropped by
MD5 d50f5a932e45fcf4faffef1c08f34ee2

Comments