MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a2eca1c4531aea65c300c0e9808dc89585ac9c41b92cea707d40cc1cdb087c1. 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


Stop


Vendor detections: 15


Intelligence 15 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3a2eca1c4531aea65c300c0e9808dc89585ac9c41b92cea707d40cc1cdb087c1
SHA3-384 hash: 79cfc8c80014487f6eac4b18b3369d4a0abd4828df18ccc690f2b7b64ed0501323616aa6f05d355694c5ae7764d35f1b
SHA1 hash: 1444c9ddb4f7bf880ef1956cda052d45c9542a78
MD5 hash: 40de22d9150a7f07d814a55de2ef7369
humanhash: sad-papa-violet-charlie
File name:A6B1DC8EA546B26E5A6F2D13DE10E4C20D6CE9774348E5BD75388E91DE689AC1.exe
Download: download sample
Signature Stop
Create hunting rule
File size:816'640 bytes
First seen:2024-07-24 19:59:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 23045326ea026251d166eab8c6541ebc (2 x Stop)
ssdeep 12288:e+gMexAdpVj8UhYGsK/3Pf2QEKWjRZoir5o+/AVKoZo+IWeFfCk3vvg07:zgMekDPoXOiJoVhtsfCk3vv57
Threatray 1'599 similar samples on MalwareBazaar
TLSH T1C30523233FD1C076D06B7434806CE7A19B3EA6339A7185877B091B7D1FA16C1DA3A74A
TrID 37.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
12.7% (.EXE) Win64 Executable (generic) (10523/12/4)
7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 4839b234e8c18890 (3 x ArkeiStealer, 2 x RedLineStealer, 2 x RaccoonStealer)
Reporter Anonymous
Tags:exe Stop


Avatar
Anonymous
this malware sample is very nasty!

Intelligence

File Origin
# of uploads :
1
# of downloads :
319
Origin country :
CN CN
Vendor Threat Intelligence
Detection(s):
PUA.Win.Packer.Asprotect-3
Create hunting rule

Win.Virus.Wapomi-9802127-0
Create hunting rule

Win.Dropper.Tofsee-9941442-0
Create hunting rule

Win.Dropper.Tofsee-9941445-0
Create hunting rule

Win.Dropper.Tofsee-9941447-0
Create hunting rule

Win.Packed.Strab-9942213-0
Create hunting rule

Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Win.Malware.Wapomi-10020301-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66a15d47ae21d7902eafbf70
Tags:
Execution Generic Infostealer Network Ransomware Static Stealth Stop
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Changing an executable file
Creating a window
Sending an HTTP GET request to an infection source
Unauthorized injection to a recently created process
Restart of the analyzed sample
Sending a TCP request to an infection source
Modifying an executable file
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Сreating synchronization primitives
Deleting a recently created file
Query of malicious DNS domain
Connection attempt to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Infecting executable files
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint lolbin microsoft_visual_cc packed shell32
Link:
https://www.filescan.io/uploads/66a15d995568402317154af3/reports/60df4045-b0ce-4f0d-986c-00ea58f97288/overview
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:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c2238934-d90e-44e1-8aff-2c7fe2d417be
Result
Threat name:
Babuk, Bdaejec, Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1480679
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found ransom note / readme
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
PE file contains section with special chars
PE file has a writeable .text section
Sample uses process hollowing technique
Uses known network protocols on non-standard ports
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected Babuk Ransomware
Yara detected Bdaejec
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1480679 Sample: A6B1DC8EA546B26E5A6F2D13DE1... Startdate: 24/07/2024 Architecture: WINDOWS Score: 100 74 zerit.top 2->74 76 fuyt.org 2->76 78 2 other IPs or domains 2->78 90 Found malware configuration 2->90 92 Malicious sample detected (through community Yara rule) 2->92 94 Antivirus detection for URL or domain 2->94 96 13 other signatures 2->96 9 A6B1DC8EA546B26E5A6F2D13DE10E4C20D6CE9774348E5BD75388E91DE689AC1.exe 1 2->9         started        13 A6B1DC8EA546B26E5A6F2D13DE10E4C20D6CE9774348E5BD75388E91DE689AC1.exe 2->13         started        15 A6B1DC8EA546B26E5A6F2D13DE10E4C20D6CE9774348E5BD75388E91DE689AC1.exe 2->15         started        17 3 other processes 2->17 signatures3 process4 file5 72 C:\Users\user\AppData\Local\Temp\TWqOxG.exe, PE32 9->72 dropped 108 Detected unpacking (changes PE section rights) 9->108 110 Detected unpacking (overwrites its own PE header) 9->110 112 Writes a notice file (html or txt) to demand a ransom 9->112 122 2 other signatures 9->122 19 A6B1DC8EA546B26E5A6F2D13DE10E4C20D6CE9774348E5BD75388E91DE689AC1.exe 1 16 9->19         started        23 TWqOxG.exe 13 9->23         started        114 Antivirus detection for dropped file 13->114 116 Machine Learning detection for dropped file 13->116 118 Injects a PE file into a foreign processes 13->118 26 A6B1DC8EA546B26E5A6F2D13DE10E4C20D6CE9774348E5BD75388E91DE689AC1.exe 13->26         started        120 Sample uses process hollowing technique 15->120 28 A6B1DC8EA546B26E5A6F2D13DE10E4C20D6CE9774348E5BD75388E91DE689AC1.exe 15->28         started        30 TWqOxG.exe 17->30         started        32 A6B1DC8EA546B26E5A6F2D13DE10E4C20D6CE9774348E5BD75388E91DE689AC1.exe 17->32         started        34 A6B1DC8EA546B26E5A6F2D13DE10E4C20D6CE9774348E5BD75388E91DE689AC1.exe 17->34         started        36 A6B1DC8EA546B26E5A6F2D13DE10E4C20D6CE9774348E5BD75388E91DE689AC1.exe 17->36         started        signatures6 process7 dnsIp8 80 api.2ip.ua 188.114.96.3, 443, 49701, 49705 CLOUDFLARENETUS European Union 19->80 62 A6B1DC8EA546B26E5A...5388E91DE689AC1.exe, PE32 19->62 dropped 64 A6B1DC8EA546B26E5A...exe:Zone.Identifier, ASCII 19->64 dropped 38 A6B1DC8EA546B26E5A6F2D13DE10E4C20D6CE9774348E5BD75388E91DE689AC1.exe 19->38         started        41 icacls.exe 19->41         started        82 ddos.dnsnb8.net 44.221.84.105, 49700, 49702, 49728 AMAZON-AESUS United States 23->82 66 C:\Program Files\7-Zip\Uninstall.exe, PE32 23->66 dropped 68 C:\Program Files (x86)\AutoIt3\...\SciTE.exe, PE32 23->68 dropped 70 C:\Program Files (x86)\AutoIt3\...\MyProg.exe, MS-DOS 23->70 dropped 100 Antivirus detection for dropped file 23->100 102 Detected unpacking (changes PE section rights) 23->102 104 Machine Learning detection for dropped file 23->104 106 Infects executable files (exe, dll, sys, html) 23->106 43 WerFault.exe 21 16 23->43         started        45 cmd.exe 30->45         started        file9 signatures10 process11 signatures12 98 Injects a PE file into a foreign processes 38->98 47 A6B1DC8EA546B26E5A6F2D13DE10E4C20D6CE9774348E5BD75388E91DE689AC1.exe 20 38->47         started        52 conhost.exe 45->52         started        process13 dnsIp14 84 zerit.top 92.246.89.93, 49709, 49710, 49712 LIVECOMM-ASRespublikanskayastr3k6RU Russian Federation 47->84 54 C:\_readme.txt, ASCII 47->54 dropped 56 C:\Users\user\_readme.txt, ASCII 47->56 dropped 58 C:\Users\user\...\wctDE6E.tmp.bpqd (copy), MS-DOS 47->58 dropped 60 60 other malicious files 47->60 dropped 86 Infects executable files (exe, dll, sys, html) 47->86 88 Modifies existing user documents (likely ransomware behavior) 47->88 file15 signatures16
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3a2eca1c4531aea65c300c0e9808dc89585ac9c41b92cea707d40cc1cdb087c1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3a2eca1c4531aea65c300c0e9808dc89585ac9c41b92cea707d40cc1cdb087c1/
Threat name:
Win32.Virus.Jadtre
Create hunting rule
Status:
Malicious
First seen:
2024-07-24 20:00:07 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hixmuhcfggxkmxbqbqhjqcg4rfmfvsoedojm5jyh2qgmdtnqq7aq._file
Verdict:
malicious
Similar samples:
786bb21f95e657b07a7bfb151e4e0d0f27fe443ac855e467e9b7d3fa643c62ab
Stop
7e55984b301bf836995807293d281046d0d14f26e113727e2cc8e993f0de45a8
Stop
7fb707b6080c884faf366ba8e885c37e68ada8cd96bbc4897a7df0ab00c17270
Stop
bf771de1c2a064ca7acf4cecbeeb6a4f23895befc680a76747f8a7c7c7c3d80c
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Stop
+ 1'589 additional samples on MalwareBazaar
Result
Malware family:
djvu
Create hunting rule
Score:
  10/10
Tags:
family:djvu aspackv2 discovery persistence ransomware
Link:
https://tria.ge/reports/240724-yqzrwavanp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
ASPack v2.12-2.42
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://fuyt.org/fhsgtsspen6/get.php
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6ac37d2c-ba5a-417f-8a8f-4949369b9b59
Unpacked files
SH256 hash:
c02f255c99a980cbc888727621f561c3cb3b564e3ba7ddbb488f27274140f6ba
MD5 hash:
93a7952e12514146824daca9b16922b5
SHA1 hash:
bb59961416fafa1408e14b82d54b7d225925acc3
Detections:
djvu_ransomware
Create hunting rule
win_stop_auto
Create hunting rule
SUSP_XORed_URL_In_EXE
Create hunting rule
Link:
https://www.unpac.me/results/c8a74380-8c41-4e60-9bac-a1e68f6ac06b/
Parent samples :
b378f4e8760fea08858858a68b985797f0b0798f077036ad96833e08b87e00bd
a6b1dc8ea546b26e5a6f2d13de10e4c20d6ce9774348e5bd75388e91de689ac1
1ee44e7fdab4cae9c908b950b86a5141cde35be944907f542125ee371c137e28
16caa6cee30e3a5de71eeadb718440145027eccddf1bc2dc053435d354d89ac4
3a2eca1c4531aea65c300c0e9808dc89585ac9c41b92cea707d40cc1cdb087c1
02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457
SH256 hash:
55d866a796dd55ac9e09efaa956db2d8569907c719ab66d7ec346d88d7c22961
MD5 hash:
aac12c92512b66ddbdd93515a8837620
SHA1 hash:
ea513b23d1af999d365195774d210f833854090d
Detections:
win_unidentified_045_auto
Create hunting rule
win_unidentified_045_g0
Create hunting rule
Link:
https://www.unpac.me/results/c8a74380-8c41-4e60-9bac-a1e68f6ac06b/
SH256 hash:
3a2eca1c4531aea65c300c0e9808dc89585ac9c41b92cea707d40cc1cdb087c1
MD5 hash:
40de22d9150a7f07d814a55de2ef7369
SHA1 hash:
1444c9ddb4f7bf880ef1956cda052d45c9542a78
Link:
https://www.unpac.me/results/c8a74380-8c41-4e60-9bac-a1e68f6ac06b/
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/3a2eca1c4531aea65c300c0e9808dc89585ac9c41b92cea707d40cc1cdb087c1

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
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

Stop

Executable exe 3a2eca1c4531aea65c300c0e9808dc89585ac9c41b92cea707d40cc1cdb087c1

(this sample)

  
Link
https://bbs.kafan.cn/forum-31-1.html
  
Delivery method
Distributed via e-mail attachment

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
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AddConsoleAliasW
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::FreeConsole
KERNEL32.dll::ReadConsoleA
KERNEL32.dll::SetConsoleCtrlHandler
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::ReplaceFileW
KERNEL32.dll::GetSystemDirectoryW
KERNEL32.dll::SetVolumeMountPointW

Comments