MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 54e1cdbf7e60f98db79d8feaad1e80d879432094867e7057f67104787e5cb567. 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: 14


Intelligence 14 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 54e1cdbf7e60f98db79d8feaad1e80d879432094867e7057f67104787e5cb567
SHA3-384 hash: 4f54c4c72b4646b1e6de54da33f3019204a1f80844c520d65cf10d66a5cf19692ae1f10f10b778a6ead94591a053d05a
SHA1 hash: d4ad0d8d53421aae444fd62530e3a9f21e0b45b6
MD5 hash: 17e985b545a131de8586c09694c923c0
humanhash: pasta-one-fruit-asparagus
File name:martiniex.exe
Download: download sample
File size:3'481'792 bytes
First seen:2024-07-18 04:32:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 99ee65c2db82c04251a5c24f214c8892 (34 x Formbook, 11 x RemcosRAT, 4 x SnakeKeylogger)
ssdeep 98304:ppUlB+zO6kJdoZoli2WxGQZbNF63EBvRt3IjWaH:ppXzOY8iNhZRbBvu
TLSH T1B8F52312BBC490B2E07324728A559751563DAD304FB28AEB93D1BD6D8A304C2EE75F73
TrID 76.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
16.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
3.0% (.EXE) Win64 Executable (generic) (10523/12/4)
1.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.2% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter falsneg
Tags:exe Kasseika Ransomware sfx


Avatar
falsneg
Collected a bunch of samples from the fortinet report and created an sfx to make malwarebazaar leechers happy. bon appétit

Intelligence

File Origin
# of uploads :
1
# of downloads :
573
Origin country :
US US
Vendor Threat Intelligence
Detection(s):
Win.Malware.Gosys-10032614-0
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66989aff936dc865ddc76b9c
Tags:
Banker Discovery Encryption Execution Generic Network Other Static Stealth Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Running batch commands
Launching a process
Using the Windows Management Instrumentation requests
Connection attempt
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm cmd epmicrosoft_visual_cc fingerprint installer lolbin microsoft_visual_cc overlay packed packed setupapi sfx shdocvw shell32 taskkill
Link:
https://www.filescan.io/uploads/66989afea59c11b474e94370/reports/18cde3df-e781-4337-a2aa-ae4c02d870fc/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/54e1cdbf7e60f98db79d8feaad1e80d879432094867e7057f67104787e5cb567
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:
AwfulRobber
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/51dca846-1b66-49da-afd9-800c10bf7366
Result
Threat name:
n/a
Detection:
malicious
Classification:
spyw
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1475633
Signature
AI detected suspicious sample
Antivirus detection for dropped file
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Opens network shares
PE file contains section with special chars
Sample is not signed and drops a device driver
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1475633 Sample: martiniex.exe Startdate: 18/07/2024 Architecture: WINDOWS Score: 88 30 Antivirus detection for dropped file 2->30 32 Multi AV Scanner detection for dropped file 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 4 other signatures 2->36 7 martiniex.exe 7 2->7         started        process3 file4 22 C:\Users\user\Desktop\martini\force.exe, PE32+ 7->22 dropped 24 C:\Users\user\Desktop\...\WindowsDefender.exe, PE32 7->24 dropped 26 C:\Users\user\Desktop\martini\Martini.sys, PE32+ 7->26 dropped 28 C:\Users\user\Desktop\martini\1.bat, DOS 7->28 dropped 38 Sample is not signed and drops a device driver 7->38 11 cmd.exe 1 7->11         started        signatures5 process6 process7 13 Robocopy.exe 3 1 11->13         started        16 conhost.exe 11->16         started        18 tasklist.exe 1 11->18         started        20 find.exe 1 11->20         started        signatures8 40 Opens network shares 13->40
Score:
91%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/54e1cdbf7e60f98db79d8feaad1e80d879432094867e7057f67104787e5cb567
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/54e1cdbf7e60f98db79d8feaad1e80d879432094867e7057f67104787e5cb567/
Threat name:
Win32.Trojan.Rasftuby
Create hunting rule
Status:
Malicious
First seen:
2024-07-18 04:33:14 UTC
File Type:
PE (Exe)
Extracted files:
23
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ktq43p36md4y3n45r7vk2hua3b4ugieuqz7hav7woechq7s4wvtq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/240718-e6hzhsydlc/
Behaviour
Enumerates processes with tasklist
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6096ecad-249f-426d-81e3-2bd01c153c23
Unpacked files
SH256 hash:
22f8fa1b42e487f6f6d6c6a62bba65267e2d292f80989031f8529558c86a9119
MD5 hash:
e0bac7cc1e2b02dda06b8a09f07abee6
SHA1 hash:
e7bf904f19581c7eebbbe06f997c3b3f7c1b7739
Detections:
SUSP_Modified_SystemExeFileName_in_File
Create hunting rule
Link:
https://www.unpac.me/results/46a6ca7c-fa42-40bf-80fb-04cb306fa26b/
SH256 hash:
54e1cdbf7e60f98db79d8feaad1e80d879432094867e7057f67104787e5cb567
MD5 hash:
17e985b545a131de8586c09694c923c0
SHA1 hash:
d4ad0d8d53421aae444fd62530e3a9f21e0b45b6
Link:
https://www.unpac.me/results/46a6ca7c-fa42-40bf-80fb-04cb306fa26b/
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/54e1cdbf7e60f98db79d8feaad1e80d879432094867e7057f67104787e5cb567

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:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants

File information

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

Executable exe 54e1cdbf7e60f98db79d8feaad1e80d879432094867e7057f67104787e5cb567

(this sample)

c33acab1ddbee95302f0d54feb1c49c40dec807cec251fb6d30d056f571155e0

  
Link
https://community.fortinet.com/t5/FortiEDR/Threat-Coverage-How-FortiEDR-protects-against-Kasseika/ta-p/303983
  
Link
https://www.trendmicro.com/en_us/research/24/a/kasseika-ransomware-deploys-byovd-attacks-abuses-psexec-and-expl.html
  
Link
https://documents.trendmicro.com/images/TEx/20240122-kasseika-iocsXiHKJpM.txt
  
Dropping
SHA256 c33acab1ddbee95302f0d54feb1c49c40dec807cec251fb6d30d056f571155e0
  
Dropping
SHA256 8a0cd4fb3542458849e20c547a684578dd7fdd4317021dacf5517f607f8ceea7
  
Dropping
SHA256 22f8fa1b42e487f6f6d6c6a62bba65267e2d292f80989031f8529558c86a9119
  
Dropping
SHA256 a32806139db1f02442679cc20c0ca4d30f91c6a42c6205d347cbc374779900d2
  
Dropping
Kasseika

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_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

Comments