8f6d841e749b6fed45f99ae4afc0a83bef5a057156cf8b46f53fdd03f5f66a5f

Analysis

max time kernel
178s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
10/10/2023, 21:26

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General

Target

8f6d841e749b6fed45f99ae4afc0a83bef5a057156cf8b46f53fdd03f5f66a5f.exe
Size

198KB
MD5

d8367c505967aa8a38d008da5e889c03
SHA1

f1d39e1626eb002e75c13c154b08708c4dd3419d
SHA256

8f6d841e749b6fed45f99ae4afc0a83bef5a057156cf8b46f53fdd03f5f66a5f
SHA512

139e4542a325264154a0db264352f272e06a54d6c613976ed7cbdc62b314fe1893f84f90a00e5fba16be05bc114e5bdff368469413162f792498e45d643ebfb1
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCO7:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXX2

Score

7^/10

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-1-5-21-1926387074-3400613176-3566796709-1000\Control Panel\International\Geo\Nation	8f6d841e749b6fed45f99ae4afc0a83bef5a057156cf8b46f53fdd03f5f66a5f.exe

Executes dropped EXE 1 IoCs

pid	Process
988	ziwhost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\ziwhost.exe	8f6d841e749b6fed45f99ae4afc0a83bef5a057156cf8b46f53fdd03f5f66a5f.exe
File created	C:\Windows\Debug\ziwhost.exe	8f6d841e749b6fed45f99ae4afc0a83bef5a057156cf8b46f53fdd03f5f66a5f.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	ziwhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	ziwhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4440	8f6d841e749b6fed45f99ae4afc0a83bef5a057156cf8b46f53fdd03f5f66a5f.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4440 wrote to memory of 3504	4440	8f6d841e749b6fed45f99ae4afc0a83bef5a057156cf8b46f53fdd03f5f66a5f.exe	89
PID 4440 wrote to memory of 3504	4440	8f6d841e749b6fed45f99ae4afc0a83bef5a057156cf8b46f53fdd03f5f66a5f.exe	89
PID 4440 wrote to memory of 3504	4440	8f6d841e749b6fed45f99ae4afc0a83bef5a057156cf8b46f53fdd03f5f66a5f.exe	89

C:\Users\Admin\AppData\Local\Temp\8f6d841e749b6fed45f99ae4afc0a83bef5a057156cf8b46f53fdd03f5f66a5f.exe
"C:\Users\Admin\AppData\Local\Temp\8f6d841e749b6fed45f99ae4afc0a83bef5a057156cf8b46f53fdd03f5f66a5f.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4440
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\8F6D84~1.EXE > nul
  2⤵
  PID:3504

C:\Windows\Debug\ziwhost.exe
C:\Windows\Debug\ziwhost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\Debug\ziwhost.exe

Filesize
198KB

MD5
c35d55e192aea7a01e3e9a0d04268f72

SHA1
0d620f785e2115120caa460db29a33f090ab056e

SHA256
e7fd6fb6599c5e7f891bf3ba338a87590d396efd088529c8ea5080a2ed017672

SHA512
268748efb7d193dd3d5291a01f4b939fe127db98b3e7318de3b19de8c826c760ef15d47c5b6a504e364075c61508067a7d70d6019649ef78935f5ba09498ae1e

Download Submit
C:\Windows\debug\ziwhost.exe

Filesize
198KB

MD5
c35d55e192aea7a01e3e9a0d04268f72

SHA1
0d620f785e2115120caa460db29a33f090ab056e

SHA256
e7fd6fb6599c5e7f891bf3ba338a87590d396efd088529c8ea5080a2ed017672

SHA512
268748efb7d193dd3d5291a01f4b939fe127db98b3e7318de3b19de8c826c760ef15d47c5b6a504e364075c61508067a7d70d6019649ef78935f5ba09498ae1e

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads