e8caee715175b8c28fddff66e2e1943968bf28d468c4b639e72fbdb8e753427d

Analysis

max time kernel
13s
max time network
20s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
18-05-2024 14:27

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General

Target

GSMDataReceiverSKIMMER.exe
Size

315KB
MD5

7c4257430ab801acb952ec95a5a8c233
SHA1

b371e74c2d58975a3845e17118b2b7671347a3ab
SHA256

e8caee715175b8c28fddff66e2e1943968bf28d468c4b639e72fbdb8e753427d
SHA512

1e8087e040fbc4d25bbf9d664d83c0645abe3c81700053d7e1c91bc8bd85d094483f3c1edce9bd2f3f5df62a81ce4316dc71a862b0c35dee86e2d70070db8061
SSDEEP

1536:KtiX3h5hPAjp6uJpE36uJpEqz12t4AtppDNM0eP8DsGiyAEvA0Sz6uJpE5:EiX3qIi0j8RiyAEvAla

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

dw20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

dw20.exe

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS dw20.exe
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU dw20.exe
Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

dw20.exe

description pid process

Token: SeRestorePrivilege 4868 dw20.exe
Token: SeBackupPrivilege 4868 dw20.exe
Token: SeBackupPrivilege 4868 dw20.exe
Token: SeBackupPrivilege 4868 dw20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

description	pid	process
Token: SeRestorePrivilege	4868	dw20.exe
Token: SeBackupPrivilege	4868	dw20.exe
Token: SeBackupPrivilege	4868	dw20.exe
Token: SeBackupPrivilege	4868	dw20.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

GSMDataReceiverSKIMMER.exe

description	pid	process	target process
PID 392 wrote to memory of 4868	392	GSMDataReceiverSKIMMER.exe	dw20.exe
PID 392 wrote to memory of 4868	392	GSMDataReceiverSKIMMER.exe	dw20.exe
PID 392 wrote to memory of 4868	392	GSMDataReceiverSKIMMER.exe	dw20.exe

C:\Users\Admin\AppData\Local\Temp\GSMDataReceiverSKIMMER.exe
"C:\Users\Admin\AppData\Local\Temp\GSMDataReceiverSKIMMER.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:392

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 816
2⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:4868

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/392-0-0x00000000751F2000-0x00000000751F3000-memory.dmp

Filesize
4KB

Download
memory/392-1-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/392-2-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download
memory/392-9-0x00000000751F0000-0x00000000757A1000-memory.dmp

Filesize
5.7MB

Download