MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ac1c0f03f5591ee9291e375cb28afa7175defc336e2d3e834a339d4a8b4d7a6. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8ac1c0f03f5591ee9291e375cb28afa7175defc336e2d3e834a339d4a8b4d7a6
SHA3-384 hash: d820d0baf863c0ad46ca99ee36b214a93d59f06df236cc7d39a2937eabf456eea3958cf9bc5e649cae31d86300c5fa5f
SHA1 hash: 7fd46d297aa267064b3c02907b795f7ee1252136
MD5 hash: a9ef25689c91e9553fa1dce7ead955cd
humanhash: jupiter-low-michigan-blossom
File name:osbbyzn.bin
Download: download sample
File size:180'736 bytes
First seen:2023-09-26 07:23:05 UTC
Last seen:2023-09-26 07:36:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3902d6eebe6ffcc8b0985536a2c54d2e
ssdeep 3072:92Eysl76h+FUyWLh6JB6543lItt+M1nUPaVLI9m:JjlOgoas43ItQPsQ
Threatray 1 similar samples on MalwareBazaar
TLSH T1C3046B0036D09035E5B3027789FEA638967DBD610B256ADBB3C84B4E4B356E17B32763
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)
Reporter JAMESWT_WT
Tags:exe osbbyzn

Intelligence

File Origin
# of uploads :
2
# of downloads :
265
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Payment Invoice.exe
Verdict:
Malicious activity
Analysis date:
2023-09-26 06:56:02 UTC
Tags:
formbook xloader stealer
Link:
https://app.any.run/tasks/9bf043a5-b025-4b07-9043-df383b8173e0

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/451182/
Detection(s):
SecuriteInfo.com.Win32.InjectorX-gen.9655.13348.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control greyware lolbin masquerade packed
Link:
https://www.filescan.io/uploads/6512871433582f234e034b5c/reports/9f16a1c3-0215-4766-9d3d-29bb9c07406a/overview
Verdict:
Malicious
Labled as:
Jaik.Generic
Link:
https://www.hybrid-analysis.com/sample/8ac1c0f03f5591ee9291e375cb28afa7175defc336e2d3e834a339d4a8b4d7a6
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7fbb1871-3639-4a70-b892-523480444b8d
Result
Threat name:
NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1314317
Signature
Multi AV Scanner detection for submitted file
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1314317 Sample: osbbyzn.bin.exe Startdate: 26/09/2023 Architecture: WINDOWS Score: 56 10 Multi AV Scanner detection for submitted file 2->10 12 Yara detected NSISDropper 2->12 6 osbbyzn.bin.exe 2->6         started        process3 process4 8 WerFault.exe 21 9 6->8         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8ac1c0f03f5591ee9291e375cb28afa7175defc336e2d3e834a339d4a8b4d7a6/
Threat name:
Win32.Trojan.Strab
Create hunting rule
Status:
Malicious
First seen:
2023-09-26 02:08:41 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
19 of 34 (55.88%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rla4b4b7kwi65eur4n24wkfpu4lv336dg3rnh2buum45jkfu26ta._file
Verdict:
malicious
Similar samples:
7e0fa6073200440c8e01d79cf84c37d2671559a6b24575fc1407ac2166304ca4
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/230926-h8ddlagf47/
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
8ac1c0f03f5591ee9291e375cb28afa7175defc336e2d3e834a339d4a8b4d7a6
MD5 hash:
a9ef25689c91e9553fa1dce7ead955cd
SHA1 hash:
7fd46d297aa267064b3c02907b795f7ee1252136
Link:
https://www.unpac.me/results/3a66322c-783b-4428-a5ab-d95cde36713f/
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/8ac1c0f03f5591ee9291e375cb28afa7175defc336e2d3e834a339d4a8b4d7a6

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/451182/

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