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

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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 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/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