8d90815cd99211cb5432037ca0a179b949b2e406b4a76051f318b7bc0b1323d1

Analysis

max time kernel
70s
max time network
134s
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 15:54

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8d90815cd99211cb5432037ca0a179b949b2e406b4a76051f318b7bc0b1323d1.exe
Size

338KB
MD5

4902b99ccf1ffc74ce7d7884d3c79d60
SHA1

999ec3df8b3cea383cc5af9521351fe4c4c3efcc
SHA256

8d90815cd99211cb5432037ca0a179b949b2e406b4a76051f318b7bc0b1323d1
SHA512

66c2d243df533b8c8621912b80c9868997afc01ed07aed272d3af20d8a5659a718328f567f20899493c909e69548d804306e6a2ac4c35a20d8133374c6b55483
SSDEEP

6144:CtUt8t/P0+BSXtEAX//BDo256MP77xbZUL:CtUt8t/P0+BSXhX//BDo256MPPxbZc

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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	4768	dw20.exe
Token: SeBackupPrivilege	4768	dw20.exe
Token: SeBackupPrivilege	4768	dw20.exe
Token: SeBackupPrivilege	4768	dw20.exe
Token: SeBackupPrivilege	4768	dw20.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

8d90815cd99211cb5432037ca0a179b949b2e406b4a76051f318b7bc0b1323d1.exe

description	pid	process	target process
PID 5048 wrote to memory of 4768	5048	8d90815cd99211cb5432037ca0a179b949b2e406b4a76051f318b7bc0b1323d1.exe	dw20.exe
PID 5048 wrote to memory of 4768	5048	8d90815cd99211cb5432037ca0a179b949b2e406b4a76051f318b7bc0b1323d1.exe	dw20.exe
PID 5048 wrote to memory of 4768	5048	8d90815cd99211cb5432037ca0a179b949b2e406b4a76051f318b7bc0b1323d1.exe	dw20.exe

C:\Users\Admin\AppData\Local\Temp\8d90815cd99211cb5432037ca0a179b949b2e406b4a76051f318b7bc0b1323d1.exe
"C:\Users\Admin\AppData\Local\Temp\8d90815cd99211cb5432037ca0a179b949b2e406b4a76051f318b7bc0b1323d1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5048

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:4768

Network

MITRE ATT&CK Matrix ATT&CK v6

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4768-133-0x0000000000000000-mapping.dmp

Download
memory/5048-132-0x00000000752A0000-0x0000000075851000-memory.dmp

Filesize
5.7MB

Download
memory/5048-134-0x00000000752A0000-0x0000000075851000-memory.dmp

Filesize
5.7MB

Download