b8d6d51221f999c9d2362ded7e765e582032caf319136cb65f2ce5350e9ca3bf

Analysis

max time kernel
143s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 21:52

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General

Target

787b16aff87a8ac4520d26aab49ceb2f.exe
Size

200KB
MD5

787b16aff87a8ac4520d26aab49ceb2f
SHA1

270428ba8ffc05e0eae6c552db2d5289a75c53c2
SHA256

b8d6d51221f999c9d2362ded7e765e582032caf319136cb65f2ce5350e9ca3bf
SHA512

c5efdebb525ce8eac2810107959646da4cd926db99e6cdadb6e9a9b4d1558f176a1cf85817912e3fe6d87eab6fb5b7581890822742b073261a932af48f0dc3b4
SSDEEP

3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/g8spjBFy11Aw6:o68i3odBiTl2+TCU/ahuhuIpw

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-1-5-21-996941297-2279405024-2328152752-1000\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"	787b16aff87a8ac4520d26aab49ceb2f.exe

Drops file in Windows directory 12 IoCs

description	ioc	Process
File created	C:\Windows\SHARE_TEMP\Icon12.ico	787b16aff87a8ac4520d26aab49ceb2f.exe
File created	C:\Windows\bugMAKER.bat	787b16aff87a8ac4520d26aab49ceb2f.exe
File created	C:\Windows\winhash_up.exez	787b16aff87a8ac4520d26aab49ceb2f.exe
File created	C:\Windows\SHARE_TEMP\Icon5.ico	787b16aff87a8ac4520d26aab49ceb2f.exe
File created	C:\Windows\SHARE_TEMP\Icon6.ico	787b16aff87a8ac4520d26aab49ceb2f.exe
File created	C:\Windows\SHARE_TEMP\Icon3.ico	787b16aff87a8ac4520d26aab49ceb2f.exe
File created	C:\Windows\SHARE_TEMP\Icon7.ico	787b16aff87a8ac4520d26aab49ceb2f.exe
File created	C:\Windows\SHARE_TEMP\Icon10.ico	787b16aff87a8ac4520d26aab49ceb2f.exe
File created	C:\Windows\SHARE_TEMP\Icon14.ico	787b16aff87a8ac4520d26aab49ceb2f.exe
File opened for modification	C:\Windows\winhash_up.exez	787b16aff87a8ac4520d26aab49ceb2f.exe
File created	C:\Windows\winhash_up.exe	787b16aff87a8ac4520d26aab49ceb2f.exe
File created	C:\Windows\SHARE_TEMP\Icon2.ico	787b16aff87a8ac4520d26aab49ceb2f.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1560 wrote to memory of 3192	1560	787b16aff87a8ac4520d26aab49ceb2f.exe	84
PID 1560 wrote to memory of 3192	1560	787b16aff87a8ac4520d26aab49ceb2f.exe	84
PID 1560 wrote to memory of 3192	1560	787b16aff87a8ac4520d26aab49ceb2f.exe	84

C:\Users\Admin\AppData\Local\Temp\787b16aff87a8ac4520d26aab49ceb2f.exe
"C:\Users\Admin\AppData\Local\Temp\787b16aff87a8ac4520d26aab49ceb2f.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1560
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\bugMAKER.bat
  2⤵
  - Checks computer location settings
  PID:3192

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
921c86d3c47c8ae80481a0e1b8636ab8

SHA1
81cca2b02d32158713008437ff49378a05fc9888

SHA256
f712f4e3ead1d5b85ca191f38dba0b0d60bd8f9f696f77a93ca5123dfbb86bbe

SHA512
96029715cbba22c3f81792a7a9565add61f130c68bdf93f3be069b03dfa77f984a500750c06baf89afebdf9b8d9edaa4cd37c6b28e6db5df58bbf72dcc25bba8

Download Submit
memory/1560-24-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads