809852ffea8c153ff88ddcad0299224e9177535e293ec0d580c61747b9248bf6

Analysis

max time kernel
158s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
04/11/2023, 08:36

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General

Target

809852ffea8c153ff88ddcad0299224e9177535e293ec0d580c61747b9248bf6.exe
Size

193KB
MD5

98a7a9bfa7080f96ddf437cc1e66d3d2
SHA1

91238833ab01f0e1ef78306ed441770789fac04e
SHA256

809852ffea8c153ff88ddcad0299224e9177535e293ec0d580c61747b9248bf6
SHA512

1cf4f2c8bd44c90f750384831985c343ae1e0a53e25b0aed0045fcccac07337048b9c7d890d64f7500b4f46564af8a14ea3c9ab4f8e8a7a7181050b057c4c795
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOh:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXs

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-1-5-21-3350690463-3549324357-1323838019-1000\Control Panel\International\Geo\Nation	809852ffea8c153ff88ddcad0299224e9177535e293ec0d580c61747b9248bf6.exe

Executes dropped EXE 1 IoCs

pid	Process
1364	guehost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\guehost.exe	809852ffea8c153ff88ddcad0299224e9177535e293ec0d580c61747b9248bf6.exe
File opened for modification	C:\Windows\Debug\guehost.exe	809852ffea8c153ff88ddcad0299224e9177535e293ec0d580c61747b9248bf6.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	guehost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	guehost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4792	809852ffea8c153ff88ddcad0299224e9177535e293ec0d580c61747b9248bf6.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4792 wrote to memory of 1140	4792	809852ffea8c153ff88ddcad0299224e9177535e293ec0d580c61747b9248bf6.exe	90
PID 4792 wrote to memory of 1140	4792	809852ffea8c153ff88ddcad0299224e9177535e293ec0d580c61747b9248bf6.exe	90
PID 4792 wrote to memory of 1140	4792	809852ffea8c153ff88ddcad0299224e9177535e293ec0d580c61747b9248bf6.exe	90

C:\Users\Admin\AppData\Local\Temp\809852ffea8c153ff88ddcad0299224e9177535e293ec0d580c61747b9248bf6.exe
"C:\Users\Admin\AppData\Local\Temp\809852ffea8c153ff88ddcad0299224e9177535e293ec0d580c61747b9248bf6.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4792
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\809852~1.EXE > nul
  2⤵
  PID:1140

C:\Windows\Debug\guehost.exe
C:\Windows\Debug\guehost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:1364

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\guehost.exe

Filesize
193KB

MD5
4492610ac660ebc3ab386697d1db3d3e

SHA1
55fc432155f52c6ce545822f12056a3f3ffb0321

SHA256
87cb454c1686650a065ee982acbca1942702757a771541c83a54dba9b9ed4ac4

SHA512
d2c9c7d33d76485e64ce5722e4e2239987560d4740bcff616ea5438cc3dfc1043bf052699bdfe806db3860705febb0d637bd96527791f73f0eb223390f71a283

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

Filesize
193KB

MD5
4492610ac660ebc3ab386697d1db3d3e

SHA1
55fc432155f52c6ce545822f12056a3f3ffb0321

SHA256
87cb454c1686650a065ee982acbca1942702757a771541c83a54dba9b9ed4ac4

SHA512
d2c9c7d33d76485e64ce5722e4e2239987560d4740bcff616ea5438cc3dfc1043bf052699bdfe806db3860705febb0d637bd96527791f73f0eb223390f71a283

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads