Analysis
- max time kernel
149s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
22/12/2023, 03:43
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
5d3d526202e21745b42a94ebd67f1bf4.exe
Resource
win7-20231129-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
5d3d526202e21745b42a94ebd67f1bf4.exe
Resource
win10v2004-20231215-en
6 signatures
150 seconds
General
- Target 5d3d526202e21745b42a94ebd67f1bf4.exe
- Size 186KB
- Sample231222-d946gsdch2
- SHA256 7c68283422e8343078d184bb046f40ab7fe3e35e79141e57459ed3fc6f6eb811
- MD5 5d3d526202e21745b42a94ebd67f1bf4
- SHA1 edc0a9082b76cd01a41f9597c42c97287e24144a
- SHA512 064b5923b0382f14a66470e3f5a96a9f6c2428a978869aa48446f736fe05642224186e3b4e8ca48515eaa18756998f2f045fb0ce27630659f9234b1b96c7318c
- SSDEEP 3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/B86pjBFH:o68i3odBiTl2+TCU/XL
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation cmd.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft I Service = "C:\\Windows\\winhash_up.exe /REGstart" 5d3d526202e21745b42a94ebd67f1bf4.exe - Drops file in Windows directory 12 IoCs
description ioc Process File created C:\Windows\winhash_up.exe 5d3d526202e21745b42a94ebd67f1bf4.exe File created C:\Windows\SHARE_TEMP\Icon5.ico 5d3d526202e21745b42a94ebd67f1bf4.exe File created C:\Windows\SHARE_TEMP\Icon6.ico 5d3d526202e21745b42a94ebd67f1bf4.exe File created C:\Windows\SHARE_TEMP\Icon14.ico 5d3d526202e21745b42a94ebd67f1bf4.exe File created C:\Windows\winhash_up.exez 5d3d526202e21745b42a94ebd67f1bf4.exe File opened for modification C:\Windows\winhash_up.exez 5d3d526202e21745b42a94ebd67f1bf4.exe File created C:\Windows\SHARE_TEMP\Icon2.ico 5d3d526202e21745b42a94ebd67f1bf4.exe File created C:\Windows\SHARE_TEMP\Icon3.ico 5d3d526202e21745b42a94ebd67f1bf4.exe File created C:\Windows\SHARE_TEMP\Icon7.ico 5d3d526202e21745b42a94ebd67f1bf4.exe File created C:\Windows\SHARE_TEMP\Icon10.ico 5d3d526202e21745b42a94ebd67f1bf4.exe File created C:\Windows\SHARE_TEMP\Icon12.ico 5d3d526202e21745b42a94ebd67f1bf4.exe File created C:\Windows\bugMAKER.bat 5d3d526202e21745b42a94ebd67f1bf4.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3624 cmd.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 456 wrote to memory of 3624 456 5d3d526202e21745b42a94ebd67f1bf4.exe 90 PID 456 wrote to memory of 3624 456 5d3d526202e21745b42a94ebd67f1bf4.exe 90 PID 456 wrote to memory of 3624 456 5d3d526202e21745b42a94ebd67f1bf4.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\5d3d526202e21745b42a94ebd67f1bf4.exe"C:\Users\Admin\AppData\Local\Temp\5d3d526202e21745b42a94ebd67f1bf4.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:456 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\bugMAKER.bat2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
PID:3624
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Windows\bugMAKER.bat
- Size 76B
- SHA256 936c85ca034c7de182d96a76f648c373b6441b6e493d639ff38a7055d5b678f6
- MD5 333d9dff135567347633c2a2afa3336d
- SHA1 e791dc10fc8f67d82226808b3733eb4bd0216855
- SHA512 5372053569775f6615c616c4508e416e705baf99b3486d061704c17229e0b85f76ef81f01acdb129e9c939a0172ac9b1dcb25ede9bc64d4bd5b4011bd6923db5
- MD5 SHA1 SHA512