MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c304f0319051bfedfbd91caf611cc1a2c66038eee61d43f96c0b2bfb1c576b1. 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


BlackMatter


Vendor detections: 10


Intelligence 10 IOCs YARA 2 File information Comments
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SHA256 hash: 3c304f0319051bfedfbd91caf611cc1a2c66038eee61d43f96c0b2bfb1c576b1
SHA3-384 hash: 11b5a7433d59b18929ac60a9b3a8cb55b2db6f0a60e8a0dce929acf8c5d3c36e666ce77b5bbb3f2349be56197068587f
SHA1 hash: f781d7ff9695cfd39007443d3f2a98b82768b207
MD5 hash: 14c9c6c830d74dd583dfdedebb136826
humanhash: river-arizona-oklahoma-uranus
File name:file.exe
Download: download sample
Signature BlackMatter
Create hunting rule
File size:701'952 bytes
First seen:2023-05-21 06:41:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:aKrsoLhgmc1pBWMmxybldRL6+A3kKnOSruYnX9E:DJhb6MA3RLMUryu
Threatray 2'795 similar samples on MalwareBazaar
TLSH T19EE4513C2DBA25E3C038F7AE96D050B3B27B8D23B71E9A6514C307663A7692167C351D
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:BlackMatter exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
347
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2023-05-21 06:43:47 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/02842667-09d1-4270-ae38-70cf49f60f44

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Variant.Zusy.469011.26743.3151.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
lolbin packed
Link:
https://www.filescan.io/uploads/6469bd3b4fad6cbc762db163/reports/d9c7d540-5933-43bb-93a4-5c70b9607f02/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/3c304f0319051bfedfbd91caf611cc1a2c66038eee61d43f96c0b2bfb1c576b1
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7e84c7c5-3a2c-42d1-a3b6-6e250ce6c410
Result
Threat name:
LockBit ransomware, TrojanRansom
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1238428
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large strings
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Deletes itself after installation
Found ransom note / readme
Found Tor onion address
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected LockBit ransomware
Yara detected TrojanRansom
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 871423 Sample: file.exe Startdate: 21/05/2023 Architecture: WINDOWS Score: 100 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 9 other signatures 2->62 10 file.exe 3 2->10         started        14 ONENOTE.EXE 2->14         started        process3 file4 52 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 10->52 dropped 80 Writes many files with high entropy 10->80 82 Injects a PE file into a foreign processes 10->82 16 file.exe 15 4 10->16         started        signatures5 process6 dnsIp7 54 xrpreward.live 31.42.184.173, 49694, 80 YURTEH-ASUA Ukraine 16->54 34 C:\Users\user\AppData\Local\...\filename.exe, data 16->34 dropped 20 filename.exe 27 502 16->20         started        file8 process9 file10 36 C:\Users\user\...\9659692161.6KMVhDmrY, DOS 20->36 dropped 38 C:\Users\user\...\0450125302.6KMVhDmrY, DOS 20->38 dropped 40 {7C5A40EF-A0FB-4BF...3Info_exe.6KMVhDmrY, COM 20->40 dropped 42 68 other malicious files 20->42 dropped 64 Contains functionality to detect hardware virtualization (CPUID execution measurement) 20->64 66 Writes a notice file (html or txt) to demand a ransom 20->66 68 Writes to foreign memory regions 20->68 70 3 other signatures 20->70 24 E064.tmp 20->24         started        28 splwow64.exe 20->28         started        signatures11 process12 file13 44 C:\Users\user\AppData\...\ZZZZZZZZZZZZ (copy), data 24->44 dropped 46 C:\Users\user\AppData\...\YYYYYYYYYYYY (copy), data 24->46 dropped 48 C:\Users\user\AppData\...\XXXXXXXXXXXX (copy), data 24->48 dropped 50 23 other malicious files 24->50 dropped 72 Antivirus detection for dropped file 24->72 74 Multi AV Scanner detection for dropped file 24->74 76 Contains functionality to detect hardware virtualization (CPUID execution measurement) 24->76 78 3 other signatures 24->78 30 cmd.exe 24->30         started        signatures14 process15 process16 32 conhost.exe 30->32         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3c304f0319051bfedfbd91caf611cc1a2c66038eee61d43f96c0b2bfb1c576b1/
Threat name:
ByteCode-MSIL.Trojan.RemLoader
Create hunting rule
Status:
Malicious
First seen:
2023-05-21 06:42:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
36
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hqye6ayzaun75x55shfpmeomdiwgma4o5zq5ip4wyczl7mofo2yq._file
Verdict:
malicious
Similar samples:
063fcedd3089e3cea8a7e07665ae033ba765b51a6dc1e7f54dde66a79c67e1e7
BlackMatter
160c97289764c37afe1a11f72537e95843a9c37a9c5fa02e1046f6b002315021
BlackMatter
1c2a51daa50a0489a8734d3577b43bcaf78f32ab34a404d2f6026af5ed33cd5b
BlackMatter
338caf75b4244e0e798c6e3ba64ff5b2661f457d192424d4d17d37a709615e3a
BlackMatter
9f007ac0509f1b836a13933f568c4c69e56eb4feb619f3dc583f76d460a012eb
BlackMatter
a5e6df754a4d3bb72f4d5c91d6b582e7e2c2f87ca838f5d976bc82384a5ad2d1
BlackMatter
f7caf7d69cef15d5c3b9983513e4e40edc3a31c5ead4139bc41d1500442a966a
BlackMatter
fd9652ebdb55646c4b67682273e6c0bace2fdce266b1690caa6b30aeef274bc4
BlackMatter
+ 2'785 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/230521-hftj4sgf26/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
a7e471f7bc560488312d57e885bb4cfc423587a0d84abbb3073a820f7cd0e209
MD5 hash:
e7709a907be0cdb6ff7eb99daee97c6c
SHA1 hash:
bb3f6871c40f54070b53947bf6958d410ea8bac1
Link:
https://www.unpac.me/results/b873d679-b71e-40ac-ae83-d3115e320707/
SH256 hash:
4313a856cecf48f4a473ccb3946ee7f966a23796f3a93355e190e172d2cc5b41
MD5 hash:
8d4e9305a39cff5e90d42e536ac66d3c
SHA1 hash:
b1dd23f10ff03c12be33efb8cff0a105c1a05ac3
Link:
https://www.unpac.me/results/b873d679-b71e-40ac-ae83-d3115e320707/
SH256 hash:
f9ac501b16c1407b508e9db979b95e5550e652d8e646a50712c521a7f13569a2
MD5 hash:
9cdf3c412712641fd2b035b57e1792a1
SHA1 hash:
34e56d349c58160ff86ddad3ea3eec0ef6993111
Link:
https://www.unpac.me/results/b873d679-b71e-40ac-ae83-d3115e320707/
SH256 hash:
3c304f0319051bfedfbd91caf611cc1a2c66038eee61d43f96c0b2bfb1c576b1
MD5 hash:
14c9c6c830d74dd583dfdedebb136826
SHA1 hash:
f781d7ff9695cfd39007443d3f2a98b82768b207
Link:
https://www.unpac.me/results/b873d679-b71e-40ac-ae83-d3115e320707/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3c304f031905/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/3c304f0319051bfedfbd91caf611cc1a2c66038eee61d43f96c0b2bfb1c576b1

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:pe_imphash
Create hunting rule
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.

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