4e89eed5f37f8ad9fd1befce4222575938ec25cdb592af1979cff5469f1e795e

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2024 08:11

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General

Target

3c57069dafc8c8ebd5fb5c45cd35c386.exe
Size

251KB
MD5

3c57069dafc8c8ebd5fb5c45cd35c386
SHA1

3203dc9ba643f68cd628730d36909501414b4581
SHA256

4e89eed5f37f8ad9fd1befce4222575938ec25cdb592af1979cff5469f1e795e
SHA512

24cd65fd062f502d90178db6f9804fdd3ae1f5c1e1b2c366767380ab006691c94a800ec0a8fae8efa8b182dbb25390a6f09f60825b45af4ff1e4a199ee237122
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/e8oveatQxJtrW:o68i3odBiTl2+TCU/+vePPZtkqxq

Score

7^/10

persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft I Service = "C:\\Windows\\winhash_up.exe /REGstart"	3c57069dafc8c8ebd5fb5c45cd35c386.exe

Drops file in Windows directory 12 IoCs

description	ioc	Process
File created	C:\Windows\bugMAKER.bat	3c57069dafc8c8ebd5fb5c45cd35c386.exe
File created	C:\Windows\winhash_up.exe	3c57069dafc8c8ebd5fb5c45cd35c386.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	3c57069dafc8c8ebd5fb5c45cd35c386.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	3c57069dafc8c8ebd5fb5c45cd35c386.exe
File created	C:\Windows\SHARE_TEMP\Icon12.ico	3c57069dafc8c8ebd5fb5c45cd35c386.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	3c57069dafc8c8ebd5fb5c45cd35c386.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	3c57069dafc8c8ebd5fb5c45cd35c386.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	3c57069dafc8c8ebd5fb5c45cd35c386.exe
File created	C:\Windows\winhash_up.exez	3c57069dafc8c8ebd5fb5c45cd35c386.exe
File opened for modification	C:\Windows\winhash_up.exez	3c57069dafc8c8ebd5fb5c45cd35c386.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	3c57069dafc8c8ebd5fb5c45cd35c386.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	3c57069dafc8c8ebd5fb5c45cd35c386.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4716	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4620 wrote to memory of 4716	4620	3c57069dafc8c8ebd5fb5c45cd35c386.exe	20
PID 4620 wrote to memory of 4716	4620	3c57069dafc8c8ebd5fb5c45cd35c386.exe	20
PID 4620 wrote to memory of 4716	4620	3c57069dafc8c8ebd5fb5c45cd35c386.exe	20

C:\Users\Admin\AppData\Local\Temp\3c57069dafc8c8ebd5fb5c45cd35c386.exe
"C:\Users\Admin\AppData\Local\Temp\3c57069dafc8c8ebd5fb5c45cd35c386.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4620
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\bugMAKER.bat
  2⤵
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  PID:4716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\bugMAKER.bat

Filesize
76B

MD5
33791c6b936409069dfca4ff610665ad

SHA1
7b6899ccdc78bb3e70070af9c57b090ed0b96184

SHA256
606825081128805563a9ef4f8c2929b25a5a1ab00162caf4bbc25040b7a0d59f

SHA512
4de5f6f2a7827cfee9acd0aab03f781cef5f722f5ecdc4a9fb15e7b63184ee12ff5b110ee6219bd14325e2b3f02ae40ca2b17032a6cf8eacf70a35fad706ac51

Download Submit
memory/4620-24-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads