189b6d46681b262df34784da5c4d640f33f7c517aa4666c9213a5c3e83fb7189

Analysis

max time kernel
90s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 09:46

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General

Target

189b6d46681b262df34784da5c4d640f33f7c517aa4666c9213a5c3e83fb7189.exe
Size

271KB
MD5

8b5e432e6bdaa25dc087d19aa168b1bd
SHA1

6acec8dc0dbca2264d8f8021eec816faf5e5b6d4
SHA256

189b6d46681b262df34784da5c4d640f33f7c517aa4666c9213a5c3e83fb7189
SHA512

b7ba7c1ce08252f06f154914d5facae4e32d5199e3bd4c74137875be9d8a758609b3c419bbfa647699393886f3e68a5a0b4358d2bbb0fbc394e04b18556283fd
SSDEEP

6144:KsvF0/neSm6n2FrDvR2gL224cizU3cGyxPiVbEuNslbDVOP+5VT:KsZSTnSvR2ga1N43cFkCsslfrVT

Score

4^/10

Malware Config

Signatures

Drops file in Windows directory 1 IoCs

Processes:

dw20.exe

description ioc process

File created C:\Windows\AppCompat\Programs\Amcache.hve.tmp dw20.exe

description	ioc	process
File created	C:\Windows\AppCompat\Programs\Amcache.hve.tmp	dw20.exe

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 5 IoCs

Processes:

dw20.exe

description	pid	process
Token: SeRestorePrivilege	3972	dw20.exe
Token: SeBackupPrivilege	3972	dw20.exe
Token: SeBackupPrivilege	3972	dw20.exe
Token: SeBackupPrivilege	3972	dw20.exe
Token: SeBackupPrivilege	3972	dw20.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

189b6d46681b262df34784da5c4d640f33f7c517aa4666c9213a5c3e83fb7189.exe

description	pid	process	target process
PID 1608 wrote to memory of 3972	1608	189b6d46681b262df34784da5c4d640f33f7c517aa4666c9213a5c3e83fb7189.exe	dw20.exe
PID 1608 wrote to memory of 3972	1608	189b6d46681b262df34784da5c4d640f33f7c517aa4666c9213a5c3e83fb7189.exe	dw20.exe
PID 1608 wrote to memory of 3972	1608	189b6d46681b262df34784da5c4d640f33f7c517aa4666c9213a5c3e83fb7189.exe	dw20.exe

C:\Users\Admin\AppData\Local\Temp\189b6d46681b262df34784da5c4d640f33f7c517aa4666c9213a5c3e83fb7189.exe
"C:\Users\Admin\AppData\Local\Temp\189b6d46681b262df34784da5c4d640f33f7c517aa4666c9213a5c3e83fb7189.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1608

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 832
2⤵
- Drops file in Windows directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:3972

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

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Downloads

memory/1608-132-0x0000000075310000-0x00000000758C1000-memory.dmp

Filesize
5.7MB

Download
memory/1608-134-0x0000000075310000-0x00000000758C1000-memory.dmp

Filesize
5.7MB

Download
memory/3972-133-0x0000000000000000-mapping.dmp

Download