c6a7a20eefb9dbc5b09eddf69411251ef125b5d84e55ef665034bdf860b63146

Analysis

max time kernel
146s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20231025-en
resource tags

arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
submitted
12-11-2023 09:49

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General

Target

c6a7a20eefb9dbc5b09eddf69411251ef125b5d84e55ef665034bdf860b63146.exe
Size

1.2MB
MD5

e78ecd81a0033f2f4db0d8c764a02dfb
SHA1

0fe18c77cc0a4707fc8eab7292f8a6813df570c4
SHA256

c6a7a20eefb9dbc5b09eddf69411251ef125b5d84e55ef665034bdf860b63146
SHA512

0c6f61d61cea1015552c05231ac7376a85fd5332d35d875f74ce473dff66d5a4e5370adb7c2556ab921432a9714a1df9214d773e549fed7c23a75b7177e74e7d
SSDEEP

24576:GHXXX/XXXFqIIIcXXX5j2XXXcXXXfXXXxXXXLIII+Ph2kkkkK4kXkkkkkkkkhLXG:G9qIIIUjfIIIAbazR0vKLXZj

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-1-5-21-177160434-2093019976-369403398-1000\Control Panel\International\Geo\Nation	c6a7a20eefb9dbc5b09eddf69411251ef125b5d84e55ef665034bdf860b63146.exe

Executes dropped EXE 1 IoCs

pid	Process
4328	guehost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\guehost.exe	c6a7a20eefb9dbc5b09eddf69411251ef125b5d84e55ef665034bdf860b63146.exe
File opened for modification	C:\Windows\Debug\guehost.exe	c6a7a20eefb9dbc5b09eddf69411251ef125b5d84e55ef665034bdf860b63146.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	guehost.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	guehost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3784	c6a7a20eefb9dbc5b09eddf69411251ef125b5d84e55ef665034bdf860b63146.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3784 wrote to memory of 1628	3784	c6a7a20eefb9dbc5b09eddf69411251ef125b5d84e55ef665034bdf860b63146.exe	90
PID 3784 wrote to memory of 1628	3784	c6a7a20eefb9dbc5b09eddf69411251ef125b5d84e55ef665034bdf860b63146.exe	90
PID 3784 wrote to memory of 1628	3784	c6a7a20eefb9dbc5b09eddf69411251ef125b5d84e55ef665034bdf860b63146.exe	90

C:\Users\Admin\AppData\Local\Temp\c6a7a20eefb9dbc5b09eddf69411251ef125b5d84e55ef665034bdf860b63146.exe
"C:\Users\Admin\AppData\Local\Temp\c6a7a20eefb9dbc5b09eddf69411251ef125b5d84e55ef665034bdf860b63146.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3784
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\C6A7A2~1.EXE > nul
  2⤵
  PID:1628

C:\Windows\Debug\guehost.exe
C:\Windows\Debug\guehost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:4328

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
1.2MB

MD5
35373db67ddd74d76c0f17c8a5bcf305

SHA1
37e985ecb1044dc0c6b8492d598ed7b0602795fa

SHA256
4fbc62e18c643eb4de30a38522c4671a7ae3383fb6b224c260fd4760b4bb9bed

SHA512
8cecf3cafdfe42dc908091fefb5bbbe96611090a547783eae0f056592c711e62bdf496f151fb797de4e169a10c22386f1feb0e192208d84e98636534aaf52459

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

Filesize
1.2MB

MD5
35373db67ddd74d76c0f17c8a5bcf305

SHA1
37e985ecb1044dc0c6b8492d598ed7b0602795fa

SHA256
4fbc62e18c643eb4de30a38522c4671a7ae3383fb6b224c260fd4760b4bb9bed

SHA512
8cecf3cafdfe42dc908091fefb5bbbe96611090a547783eae0f056592c711e62bdf496f151fb797de4e169a10c22386f1feb0e192208d84e98636534aaf52459

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads