c85fec6ed44bdfd54c5f37190ffad38919640064ce718045e228dca65f74ec7b

Analysis

max time kernel
7s
max time network
10s
platform
windows10-2004_x64
resource
win10v2004-20230831-en
resource tags

arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
submitted
12-09-2023 07:32

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General

Target

Sample_5d283d656ea1e5165f2c7b8c.exe
Size

205KB
MD5

881db1945686533f06f6626da444a7b5
SHA1

776fff17a531a374d13a9e267db764e3463a4cfc
SHA256

c85fec6ed44bdfd54c5f37190ffad38919640064ce718045e228dca65f74ec7b
SHA512

639d684ab5a15a23355577d0c0e6cab29fe66596af5c5644a4fb258c3f65324c94f4c5fc4f76c7b7ac2ff0f15ffc69e98c279f59e8897e3db4e3ffaee2e96af6
SSDEEP

3072:30imLeE+6Kiei4VrJo6lxPJUVjIMaNhUv:LE+6Kt53oExlNh

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

Processes:

Sample_5d283d656ea1e5165f2c7b8c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-528036852-1341495193-1175965888-1000\Control Panel\International\Geo\Nation	Sample_5d283d656ea1e5165f2c7b8c.exe

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

System Information Discovery
T1082
Runs net.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Sample_5d283d656ea1e5165f2c7b8c.exe

pid	process
3956	Sample_5d283d656ea1e5165f2c7b8c.exe
3956	Sample_5d283d656ea1e5165f2c7b8c.exe
3956	Sample_5d283d656ea1e5165f2c7b8c.exe
3956	Sample_5d283d656ea1e5165f2c7b8c.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Sample_5d283d656ea1e5165f2c7b8c.exe

description pid process

Token: SeDebugPrivilege 3956 Sample_5d283d656ea1e5165f2c7b8c.exe

description	pid	process
Token: SeDebugPrivilege	3956	Sample_5d283d656ea1e5165f2c7b8c.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Sample_5d283d656ea1e5165f2c7b8c.exenet.exenet.exe

description	pid	process	target process
PID 3956 wrote to memory of 2400	3956	Sample_5d283d656ea1e5165f2c7b8c.exe	sihost.exe
PID 3956 wrote to memory of 3936	3956	Sample_5d283d656ea1e5165f2c7b8c.exe	net.exe
PID 3956 wrote to memory of 3936	3956	Sample_5d283d656ea1e5165f2c7b8c.exe	net.exe
PID 3936 wrote to memory of 3148	3936	net.exe	net1.exe
PID 3936 wrote to memory of 3148	3936	net.exe	net1.exe
PID 3956 wrote to memory of 4252	3956	Sample_5d283d656ea1e5165f2c7b8c.exe	net.exe
PID 3956 wrote to memory of 4252	3956	Sample_5d283d656ea1e5165f2c7b8c.exe	net.exe
PID 4252 wrote to memory of 3896	4252	net.exe	net1.exe
PID 4252 wrote to memory of 3896	4252	net.exe	net1.exe
PID 3956 wrote to memory of 2420	3956	Sample_5d283d656ea1e5165f2c7b8c.exe	svchost.exe
PID 3956 wrote to memory of 2528	3956	Sample_5d283d656ea1e5165f2c7b8c.exe	taskhostw.exe
PID 3956 wrote to memory of 3248	3956	Sample_5d283d656ea1e5165f2c7b8c.exe	svchost.exe
PID 3956 wrote to memory of 3492	3956	Sample_5d283d656ea1e5165f2c7b8c.exe	DllHost.exe

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2400

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3492

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3248

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2528

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2420

C:\Users\Admin\AppData\Local\Temp\Sample_5d283d656ea1e5165f2c7b8c.exe
"C:\Users\Admin\AppData\Local\Temp\Sample_5d283d656ea1e5165f2c7b8c.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3956
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "audioendpointbuilder" /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3936
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "audioendpointbuilder" /y
    3⤵
    PID:3148
- C:\Windows\System32\net.exe
  "C:\Windows\System32\net.exe" stop "samss" /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4252
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop "samss" /y
    3⤵
    PID:3896

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

Replay Monitor

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Downloads

memory/2400-0-0x00007FF74B3B0000-0x00007FF74B68A000-memory.dmp

Filesize
2.9MB

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