MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a9503a3d998e705c37d3bec7fea0ff188bcf7e753833c8b4b195e590c4ed9625. 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
BlackBasta
Vendor detections: 12
| SHA256 hash: | a9503a3d998e705c37d3bec7fea0ff188bcf7e753833c8b4b195e590c4ed9625 |
|---|---|
| SHA3-384 hash: | 7e23c787f83adbf5456b6b3744bc97e500c4d273871104949112aba4fdde2dcebaaeafd6ee6cf1a6f1edb95566361efd |
| SHA1 hash: | 1d30388c1235da56a2f17d645f0a66ead7b59159 |
| MD5 hash: | a2086f41bc06adc69517bc0d9c07bf6e |
| humanhash: | sierra-ceiling-east-snake |
| File name: | a9503a3d998e705c37d3bec7fea0ff188bcf7e753833c8b4b195e590c4ed9625 |
| Download: | download sample |
| Signature | BlackBasta |
| File size: | 850'888 bytes |
| First seen: | 2022-11-03 07:53:47 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 42abea173f49dabbd6dae9be8be2dffe (1 x BlackBasta) |
| ssdeep | 24576:qPCxmUtjDcK/IhU06NZim3gG8jq+wh+A:stUtfcANY/m |
| Threatray | 3 similar samples on MalwareBazaar |
| TLSH | T1870523A9B6197D83EC45AC32719CC907BC31EEE9BD989CDE594CE47698C478200BD07E |
| TrID | 54.9% (.EXE) UPX compressed Win32 Executable (27066/9/6) 13.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 10.2% (.EXE) Win16 NE executable (generic) (5038/12/1) 9.1% (.EXE) Win32 Executable (generic) (4505/5/1) 4.1% (.EXE) OS/2 Executable (generic) (2029/13) |
| File icon (PE): |  |
| dhash icon | b1cc96232b23ccf0 (2 x BlackBasta) |
| Reporter |  JAMESWT_WT |
| Tags: | BlackBasta exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
301
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a9503a3d998e705c37d3bec7fea0ff188bcf7e753833c8b4b195e590c4ed9625.sample
Verdict:
Suspicious activity
Analysis date:
2022-06-21 15:35:46 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Searching for the window
Sending a custom TCP request
Result
Malware family:
n/a
Score:
6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
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:
BlackBasta Ransomware
Verdict:
Malicious
Result
Threat name:
BlackBasta, PrivateLoader
Detection:
malicious
Classification:
rans.spre.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to inject code into remote processes
Creates files inside the volume driver (system volume information)
Deletes shadow drive data (may be related to ransomware)
Found ransom note / readme
Found Tor onion address
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
Machine Learning detection for sample
May disable shadow drive data (uses vssadmin)
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected BlackBasta ransomware
Yara detected PrivateLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Ransomware.Convagent
Status:
Malicious
First seen:
2022-06-02 10:33:44 UTC
File Type:
PE (Exe)
Extracted files:
15
AV detection:
21 of 26 (80.77%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Result
Malware family:
blackbasta
Score:
10/10
Tags:
family:blackbasta ransomware upx
Behaviour
Interacts with shadow copies
Modifies registry class
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Drops file in Program Files directory
Sets desktop wallpaper using registry
Suspicious use of SetThreadContext
Modifies extensions of user files
UPX packed file
Deletes shadow copies
Black Basta
Black Basta payload
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
df21822582a5519efcd7347e4faa365aafa6feaf2892c7f2f2bf1abeac104e2d
MD5 hash:
cd4f57e1bcfac1394a00b1229067fba4
SHA1 hash:
9d6d232b61cfceaf4ce1a4dfa9e0bf8dc20ea03b
SH256 hash:
a9503a3d998e705c37d3bec7fea0ff188bcf7e753833c8b4b195e590c4ed9625
MD5 hash:
a2086f41bc06adc69517bc0d9c07bf6e
SHA1 hash:
1d30388c1235da56a2f17d645f0a66ead7b59159
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.40
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 |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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