MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a4a8dc0f13ddacfad3e0ef8929aac9453759f5e77d9222412ca637bec32320d0. 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: 14
| SHA256 hash: | a4a8dc0f13ddacfad3e0ef8929aac9453759f5e77d9222412ca637bec32320d0 |
|---|---|
| SHA3-384 hash: | 26760ab9c094c55ddcfaa0c33f870f04a7d36201d387a07871d1d0a3f6683ad89a1a88238f9f82b8353355bfec94959e |
| SHA1 hash: | 8c3e1d05b4b0fda12029f7c71e283cdca83e2b79 |
| MD5 hash: | 920f408fdc80c5697739cda9cf9a4ca7 |
| humanhash: | five-harry-virginia-beer |
| File name: | a4a8dc0f13ddacfad3e0ef8929aac9453759f5e77d9222412ca637bec32320d0 |
| Download: | download sample |
| Signature | Kimsuky |
| File size: | 8'683'520 bytes |
| First seen: | 2025-11-24 16:00:21 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 4f2f006e2ecf7172ad368f8289dc96c1 (184 x SalatStealer, 74 x Vidar, 46 x RemusStealer) |
| ssdeep | 98304:or3s4Nso2D9lJ61MnhTxn8MiUDRriBuTGNB3UlXzPxA6D5FLOAkGkzdnEVomFHKy:o4cso2D9BB2EzPxAsFLOyomFHKnPV4 |
| TLSH | T19196AD113A7C03E6C06201317E79AAB9A569BF64173DCEC7F5B8B6291B719C00E36F16 |
| TrID | 37.3% (.EXE) Win64 Executable (generic) (10522/11/4) 17.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 15.9% (.EXE) Win32 Executable (generic) (4504/4/1) 7.3% (.ICL) Windows Icons Library (generic) (2059/9) 7.2% (.EXE) OS/2 Executable (generic) (2029/13) |
| Magika | pebin |
| dhash icon | b0f0cce4c4cce0b6 (1 x Kimsuky) |
| Reporter |  Threatray |
| Tags: | exe Kimsuky Kimsuky_GoDropper |
Intelligence
File Origin
# of uploads :
1
# of downloads :
138
Origin country :
DEVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a4a8dc0f13ddacfad3e0ef8929aac9453759f5e77d9222412ca637bec32320d0
Verdict:
Malicious activity
Analysis date:
2025-11-24 16:00:53 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
99.9%
Tags:
shellcode sage remo
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a process from a recently created file
Сreating synchronization primitives
Creating a window
Launching a process
Loading a suspicious library
Creating a file in the %temp% directory
Moving of the original file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
adaptive-context anti-vm crypt explorer golang lolbin regsvr32 xpack
Verdict:
Malicious
Labled as:
Trojan.Generic
Verdict:
Malicious
File Type:
exe x64
Detections:
PDM:Trojan.Win32.Generic Trojan.Win32.SchoolBoy.sb Trojan.Win32.SchoolBoy.qse
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
7 match(es)
Tags:
Executable Html PE (Portable Executable) PE File Layout Win 64 Exe x64
Verdict:
Malicious
Threat:
Trojan.Win32.SchoolBoy
Threat name:
Win64.Trojan.Malgent
Status:
Malicious
First seen:
2025-03-21 17:49:56 UTC
File Type:
PE+ (Exe)
Extracted files:
891
AV detection:
21 of 24 (87.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
kimsuky_memload
kimsuky_godropper
Result
Malware family:
n/a
Score:
7/10
Tags:
adware defense_evasion discovery spyware
Behaviour
Delays execution with timeout.exe
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Drops file in System32 directory
Executes dropped EXE
Loads dropped DLL
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a4a8dc0f13ddacfad3e0ef8929aac9453759f5e77d9222412ca637bec32320d0
MD5 hash:
920f408fdc80c5697739cda9cf9a4ca7
SHA1 hash:
8c3e1d05b4b0fda12029f7c71e283cdca83e2b79
SH256 hash:
7b1a82ffb1f9f7cf01b555b63d7963d5bc42dc1d72541c4c9a3d251e8d3fd9d5
MD5 hash:
d37569b238ec6c073a06a28bc665072c
SHA1 hash:
fef47815b268b4fb98a90443a2f48631ccb9c4a5
SH256 hash:
2082fa21544b1157a924982d47f7dd88e14fc0333ed63ba2636f9c11e94f30c6
MD5 hash:
3775b1ec70a428a9c2d4b2fe46b0ad35
SHA1 hash:
b3613ced5e181d9396853fc57f01af2a29491fc3
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | APT_Sandworm_ArguePatch_Apr_2022_1 |
|---|---|
| Author: | Arkbird_SOLG |
| Description: | Detect ArguePatch loader used by Sandworm group for load CaddyWiper |
| Reference: | https://www.welivesecurity.com/2022/04/12/industroyer2-industroyer-reloaded/ |
| Rule name: | command_and_control |
|---|---|
| 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: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerException__SetConsoleCtrl |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | DetectGoMethodSignatures |
|---|---|
| Author: | Wyatt Tauber |
| Description: | Detects Go method signatures in unpacked Go binaries |
| Rule name: | FreddyBearDropper |
|---|---|
| Author: | Dwarozh Hoshiar |
| Description: | Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip. |
| Rule name: | GoBinTest |
|---|
| Rule name: | golang |
|---|
| Rule name: | Golangmalware |
|---|---|
| Author: | Dhanunjaya |
| Description: | Malware in Golang |
| Rule name: | golang_binary_string |
|---|---|
| Description: | Golang strings present |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | golang_duffcopy_amd64 |
|---|
| Rule name: | HiveRansomware |
|---|---|
| Author: | Dhanunjaya |
| Description: | Yara Rule To Detect Hive V4 Ransomware |
| Rule name: | ProgramLanguage_Golang |
|---|---|
| Author: | albertzsigovits |
| Description: | Application written in Golang programming language |
| Rule name: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | SHA512_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA384/SHA512 constants |
| Rule name: | ThreadControl__Context |
|---|---|
| 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.
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