MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 123aefe0734da130b475bfdad6c3ebe49688569ab8310e71ec5252ec46cb67eb. 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: 13


Intelligence 13 IOCs YARA 39 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 123aefe0734da130b475bfdad6c3ebe49688569ab8310e71ec5252ec46cb67eb
SHA3-384 hash: 7b5d6442df003629d74a61fc0a8db5e05f9bee706a81b43c920a15a62c809b96ff7cc8393b72d86fe2c8e30703cee130
SHA1 hash: 49fd125c5f516be6883404c256d79afa54dd42d7
MD5 hash: 7ec88818697623a0130b1de42fa31335
humanhash: mexico-sad-ceiling-alabama
File name:7ec88818697623a0130b1de42fa31335.exe
Download: download sample
Signature Kimsuky
Create hunting rule
File size:6'118'288 bytes
First seen:2025-05-07 09:54:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4f2f006e2ecf7172ad368f8289dc96c1 (181 x SalatStealer, 40 x LummaStealer, 17 x CobaltStrike)
ssdeep 98304:0oA07f5DLb9M+9pzSQoXSiEIwGF7A48B762j:g07hxM+9pzn4w87O762j
TLSH T15956E047AC8509B2C0FA97719D1F76B97A22FD084F2127DB2A806A6D3F326D1CD79314
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
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)
Magika pebin
dhash icon e0e8323270590608 (3 x Kimsuky)
Reporter smica83
Tags: Kimsuky apt CJ Olivenetworks Co Ltd exe Kimsuky signed

Code Signing Certificate

Organisation:CJ Olivenetworks Co., Ltd
Issuer:Sectigo Public Code Signing CA R36
Algorithm:sha384WithRSAEncryption
Valid from:2023-05-04T00:00:00Z
Valid to:2026-06-05T23:59:59Z
Serial number: 70b824d82a848ecd5501e62a3d53b4c7
Thumbprint Algorithm:SHA256
Thumbprint: ff7910d05e660a040865ad794844e8ab8a701a7aa9121e37da16fc34f311ae7c
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
466
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7ec88818697623a0130b1de42fa31335.exe
Verdict:
Malicious activity
Analysis date:
2025-05-07 10:18:32 UTC
Tags:
golang auto-reg
Link:
https://app.any.run/tasks/887c77fa-d082-4e3d-bdc8-b7fc671c3c6d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win64.Evo-gen.824.22511.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=681b2e866c95617a27b5b89b
Tags:
vmprotect emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Running batch commands
Creating a process with a hidden window
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Creating a window
DNS request
Creating a service
Connection attempt
Sending an HTTP POST request
Moving of the original file
Enabling autorun for a service
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-vm fingerprint golang packed packed packed packer_detected revoked-cert signed
Link:
https://www.filescan.io/uploads/681b2e118d43c3a878f9897d/reports/3934c565-8dd8-41ef-a103-59c75d886190/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/123aefe0734da130b475bfdad6c3ebe49688569ab8310e71ec5252ec46cb67eb
Malware family:
NikiGo
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/48ac713c-e0d7-465a-be62-308819c4261e
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1683110
Signature
Changes security center settings (notifications, updates, antivirus, firewall)
Creates / moves files in alternative data streams (ADS)
Deletes itself after installation
Drops PE files to the user root directory
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Sigma detected: Execute DLL with spoofed extension
Sigma detected: Suspicious New Service Creation
Sigma detected: Suspicious Service Path Modification
System process connects to network (likely due to code injection or exploit)
Tries to detect debuggers (CloseHandle check)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1683110 Sample: eVitF1mzNs.exe Startdate: 07/05/2025 Architecture: WINDOWS Score: 100 52 gsegse.dasfesfgsegsefsede.o-r.kr 2->52 54 x1.i.lencr.org 2->54 56 2 other IPs or domains 2->56 64 Malicious sample detected (through community Yara rule) 2->64 66 Multi AV Scanner detection for dropped file 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 4 other signatures 2->70 10 eVitF1mzNs.exe 2 2->10         started        14 svchost.exe 2->14         started        16 svchost.exe 2->16         started        19 5 other processes 2->19 signatures3 process4 dnsIp5 48 C:\Users\Public\config.dat, PE32+ 10->48 dropped 80 Creates / moves files in alternative data streams (ADS) 10->80 82 Drops PE files to the user root directory 10->82 84 Deletes itself after installation 10->84 21 rundll32.exe 1 10->21         started        26 cmd.exe 3 2 10->26         started        86 Changes security center settings (notifications, updates, antivirus, firewall) 14->86 28 MpCmdRun.exe 14->28         started        50 127.0.0.1 unknown unknown 16->50 file6 signatures7 process8 dnsIp9 58 gsegse.dasfesfgsegsefsede.o-r.kr 162.220.11.186, 49699, 49702, 49703 ASN-QUADRANET-GLOBALUS United States 21->58 46 C:\Users\Public\config.dat:DATA_CONF, data 21->46 dropped 72 System process connects to network (likely due to code injection or exploit) 21->72 74 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 21->74 76 Creates / moves files in alternative data streams (ADS) 21->76 78 2 other signatures 21->78 30 sc.exe 21->30         started        32 Acrobat.exe 17 77 26->32         started        34 conhost.exe 26->34         started        36 conhost.exe 28->36         started        file10 signatures11 process12 process13 38 conhost.exe 30->38         started        40 AcroCEF.exe 110 32->40         started        dnsIp14 60 e8652.dscx.akamaiedge.net 184.28.253.105, 49693, 80 AKAMAI-ASUS United States 40->60 43 AcroCEF.exe 5 40->43         started        process15 dnsIp16 62 23.202.56.131, 443, 49694 AKAMAI-ASN1EU United States 43->62
Score:
91%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/123aefe0734da130b475bfdad6c3ebe49688569ab8310e71ec5252ec46cb67eb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/123aefe0734da130b475bfdad6c3ebe49688569ab8310e71ec5252ec46cb67eb/
Threat name:
Win64.Worm.AutoRun
Create hunting rule
Status:
Malicious
First seen:
2025-04-30 10:07:20 UTC
File Type:
PE+ (Exe)
Extracted files:
19
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ci5o7ydtjwqtbndvx7nnnq7l4sliqvu2xayq44pmkjjoyrwlm7vq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery execution persistence
Link:
https://tria.ge/reports/250507-lx2htssqz9/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies registry class
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious behavior: RenamesItself
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Launches sc.exe
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks computer location settings
Deletes itself
Loads dropped DLL
Blocklisted process makes network request
Creates new service(s)
Modifies service settings
Verdict:
Malicious
Tags:
backdoor kimsuky
YARA:
backdoor_win_kimsuky
Link:
https://app.threat.zone/submission/29783fb1-d42c-4656-8aa3-6f2f9145f77a
Unpacked files
SH256 hash:
123aefe0734da130b475bfdad6c3ebe49688569ab8310e71ec5252ec46cb67eb
MD5 hash:
7ec88818697623a0130b1de42fa31335
SHA1 hash:
49fd125c5f516be6883404c256d79afa54dd42d7
Link:
https://www.unpac.me/results/952804ff-33d1-4589-88e6-6850a80f778b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kimsuky
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/123aefe0734da130b475bfdad6c3ebe49688569ab8310e71ec5252ec46cb67eb

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:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
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:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryW
kernel32.dll::LoadLibraryExW
kernel32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WriteConsoleW
kernel32.dll::SetConsoleCtrlHandler
kernel32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::GetSystemDirectoryA

Comments