7b7c288ca4735bd9056751ec9a307899ebe864418446fd23396666297cee3dd7

Analysis

max time kernel
91s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2022 23:23

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General

Target

7b7c288ca4735bd9056751ec9a307899ebe864418446fd23396666297cee3dd7.exe
Size

104KB
MD5

28a7d4e2b5f033f4f33791f32c6e9fad
SHA1

c14648e59b09f70800e94b715a82a0a1c9022973
SHA256

7b7c288ca4735bd9056751ec9a307899ebe864418446fd23396666297cee3dd7
SHA512

a6ca99a32132ce326131f22176b8aba0a2c2a2801c3db301c64a5f6ec1f4f456a4d2cdd89b7c0bc4b4c96ca9c313c15777f6aed12d719f1482c0009e7c5960fd
SSDEEP

1536:hS06taZRfWxSdh3Hm/ukxj6CB4Y/2ugu39o4loYFusUuoub5IgRefP:n6taqxq3H326CB3NoRsUuo45fg

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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 2 IoCs

Processes:

dw20.exe

description pid process

Token: SeBackupPrivilege 812 dw20.exe
Token: SeBackupPrivilege 812 dw20.exe

description	pid	process
Token: SeBackupPrivilege	812	dw20.exe
Token: SeBackupPrivilege	812	dw20.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

7b7c288ca4735bd9056751ec9a307899ebe864418446fd23396666297cee3dd7.exe

description	pid	process	target process
PID 4876 wrote to memory of 812	4876	7b7c288ca4735bd9056751ec9a307899ebe864418446fd23396666297cee3dd7.exe	dw20.exe
PID 4876 wrote to memory of 812	4876	7b7c288ca4735bd9056751ec9a307899ebe864418446fd23396666297cee3dd7.exe	dw20.exe

C:\Users\Admin\AppData\Local\Temp\7b7c288ca4735bd9056751ec9a307899ebe864418446fd23396666297cee3dd7.exe
"C:\Users\Admin\AppData\Local\Temp\7b7c288ca4735bd9056751ec9a307899ebe864418446fd23396666297cee3dd7.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4876

C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
dw20.exe -x -s 740
2⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:812

Network

MITRE ATT&CK Enterprise v6

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/812-133-0x0000000000000000-mapping.dmp

Download
memory/4876-132-0x00007FF85F9E0000-0x00007FF860416000-memory.dmp

Filesize
10.2MB

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