MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 955cb4f01eb18f0d259fcb962e36a339e8fe082963dfd9f72d3851210f7d2d3b. 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



Kimsuky


Vendor detections: 11


Intelligence 11 IOCs YARA 5 File information Comments

SHA256 hash: 955cb4f01eb18f0d259fcb962e36a339e8fe082963dfd9f72d3851210f7d2d3b
SHA3-384 hash: 7fd2ffa70723b780591ca71ec3a55d8d5a144b53809c75d94cf81933cb31d09b8eb6be9529d1cb82ab8f91765f7fb3ac
SHA1 hash: 3d1731fa03f2bb8b3ca74ab49c83923428e58362
MD5 hash: c8e7b0d3b6afa22e801cacaf16b37355
humanhash: nuts-ink-orange-alabama
File name:955cb4f01eb18f0d259fcb962e36a339e8fe082963dfd9f72d3851210f7d2d3b
Download: download sample
Signature Kimsuky
File size:8'993'688 bytes
First seen:2024-06-21 09:33:38 UTC
Last seen:2024-06-21 10:24:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 6d86f70f74801f37e2db25edd59c53e9 (4 x Kimsuky)
ssdeep 196608:AQwWJMs7OstVK6hFdRjHoaMRrXv0Dz1f/TFCwIcM6Ti4WFvK20:5dJZ7jFFdRjHngrXvYnRlNIyL
TLSH T1EC9623A92678339CC01F88345537FD84F3F2691F8A98C5AD72EE75C07F6A8119646F0A
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter JAMESWT_WT
Tags:apt exe Kimsuky signed

Code Signing Certificate

Organisation:D2innovation Co.,LTD
Issuer:Sectigo Public Code Signing CA R36
Algorithm:sha384WithRSAEncryption
Valid from:2023-03-02T00:00:00Z
Valid to:2025-04-03T23:59:59Z
Serial number: 8890cab1cd510cd20dab4ce5948cbc3a
Intelligence: 8 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 37320e24baa50e63b0a1dfe513922333d5a622254a4b2bcd116a24f43e52a101
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
243
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
955cb4f01eb18f0d259fcb962e36a339e8fe082963dfd9f72d3851210f7d2d3b.exe
Verdict:
No threats detected
Analysis date:
2024-06-21 09:39:30 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.1%
Tags:
Encryption Static Wingo
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Malware family:
Troll Stealer
Verdict:
Malicious
Result
Threat name:
HackBrowserData Tool, Kimsuky, TrollStea
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Deletes itself after installation
Detected VMProtect packer
Found direct / indirect Syscall (likely to bypass EDR)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Sigma detected: Windows Binaries Write Suspicious Extensions
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected HackBrowserData Tool
Yara detected Kimsuky
Yara detected TrollStealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1460648 Sample: Tivf5R0Nlu.exe Startdate: 21/06/2024 Architecture: WINDOWS Score: 100 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 48 7 other signatures 2->48 8 loaddll64.exe 1 2->8         started        process3 signatures4 54 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 8->54 56 Tries to detect virtualization through RDTSC time measurements 8->56 58 Found direct / indirect Syscall (likely to bypass EDR) 8->58 11 rundll32.exe 8->11         started        14 rundll32.exe 3 8->14         started        17 rundll32.exe 8->17         started        19 14 other processes 8->19 process5 file6 60 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 11->60 62 Bypasses PowerShell execution policy 11->62 64 Uses schtasks.exe or at.exe to add and modify task schedules 11->64 66 Tries to detect virtualization through RDTSC time measurements 11->66 40 C:\Users\user\.tmp\1177153505.ps1, Unicode 14->40 dropped 21 powershell.exe 11 14->21         started        24 schtasks.exe 1 14->24         started        26 schtasks.exe 1 14->26         started        28 WerFault.exe 2 17->28         started        30 rundll32.exe 19->30         started        32 WerFault.exe 2 19->32         started        signatures7 process8 signatures9 50 Deletes itself after installation 21->50 34 conhost.exe 21->34         started        36 conhost.exe 24->36         started        38 conhost.exe 26->38         started        52 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 30->52 process10
Threat name:
Win64.Spyware.Trollagent
Status:
Malicious
First seen:
2024-01-10 08:10:51 UTC
File Type:
PE+ (Dll)
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
955cb4f01eb18f0d259fcb962e36a339e8fe082963dfd9f72d3851210f7d2d3b
MD5 hash:
c8e7b0d3b6afa22e801cacaf16b37355
SHA1 hash:
3d1731fa03f2bb8b3ca74ab49c83923428e58362
Detections:
INDICATOR_EXE_Packed_VMProtect
Please note that we are no longer able to provide a coverage score for Virus Total.

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:EXE_Stealer_TrollStealer_Feb2024
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
Rule name:golang
Rule name:INDICATOR_EXE_Packed_VMProtect
Author:ditekSHen
Description:Detects executables packed with VMProtect.
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits

File information


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

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryA

Comments