MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b55a8536ee2f1900ccef48e360b4af001025fe63778ae84167f5675c6999079b. 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


Threat unknown


Vendor detections: 10


Intelligence 10 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b55a8536ee2f1900ccef48e360b4af001025fe63778ae84167f5675c6999079b
SHA3-384 hash: 994f8133bc648b9c5c8c72ba8df6e7d7f0a57d489f68a1fa3b28b07af98c00ad3c591f2df7659a3d04d247f92ecb50f4
SHA1 hash: 26ce5331bf6eee3352b3aed83e4ea0a1523d29fd
MD5 hash: 751054de37cb87784d73064e910db380
humanhash: mars-whiskey-yankee-sierra
File name:invoice PDF.exe
Download: download sample
File size:868'360 bytes
First seen:2024-05-06 12:36:27 UTC
Last seen:2024-05-06 13:34:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:RDiAEfDi4eZWer4nkK6ZcduM73ryNvMWuucfnvopffC79IE0omziqTc6kR:VRE7i4eZWeAkZe73ru2ugvopE/0Dzit
Threatray 4 similar samples on MalwareBazaar
TLSH T1BF059BCD6BCAD241E7EE3E34825D47F10F29ED4224E6CAC8977A704989BA34BD506533
TrID 35.4% (.EXE) Win64 Executable (generic) (10523/12/4)
22.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.1% (.EXE) Win32 Executable (generic) (4504/4/1)
6.9% (.ICL) Windows Icons Library (generic) (2059/9)
6.8% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon f0ccc26161b0ccf0 (5 x AgentTesla)
Reporter cocaman
Tags:exe payment

Intelligence

File Origin
# of uploads :
2
# of downloads :
313
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b55a8536ee2f1900ccef48e360b4af001025fe63778ae84167f5675c6999079b.exe
Verdict:
Malicious activity
Analysis date:
2024-05-06 12:37:51 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/dfb01221-699c-4406-8764-4c31a2992fae

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Siggen28.43824.24220.23683.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade overlay packed
Link:
https://www.filescan.io/uploads/6638cef4a2d36d9500f18825/reports/eaa9f34a-2adc-4943-89be-1c156bedb6d4/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b55a8536ee2f1900ccef48e360b4af001025fe63778ae84167f5675c6999079b
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/18113ed5-ac3f-4344-83da-ea59ae1546a2
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1436740
Signature
Antivirus / Scanner detection for submitted sample
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b55a8536ee2f1900ccef48e360b4af001025fe63778ae84167f5675c6999079b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b55a8536ee2f1900ccef48e360b4af001025fe63778ae84167f5675c6999079b/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2024-05-06 08:04:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wvniknxof4mqbthpjdrwbnfpaaicl7tdo6foqqlh6vtvy2mza6nq._file
Verdict:
unknown
Similar samples:
91ce6c61c70d1153f47e951fbad9ae7e55d3adb4809fa998947f5110c25f6427
fc2e842cb09a4d1c0f583d993f43fb6070395808661e9471b9f9510b5ee1e4e2
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/240506-ptf99sfa55/
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
b55a8536ee2f1900ccef48e360b4af001025fe63778ae84167f5675c6999079b
MD5 hash:
751054de37cb87784d73064e910db380
SHA1 hash:
26ce5331bf6eee3352b3aed83e4ea0a1523d29fd
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/287a9786-b52f-490c-9fea-60c999fce7d3/
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/b55a8536ee2f1900ccef48e360b4af001025fe63778ae84167f5675c6999079b

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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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

rar b16e58d78499ac4321aa286596ad27b3feeeea7a135f49af00df0e9fed60a100

Executable exe b55a8536ee2f1900ccef48e360b4af001025fe63778ae84167f5675c6999079b

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 b16e58d78499ac4321aa286596ad27b3feeeea7a135f49af00df0e9fed60a100
  
Dropped by
MD5 e8f22c194f6e84b6d43a824f6efd5ac3

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments