dffe97932090808a255eeab9fe320f52d9bce3b53eb83f55b26d671e799c72c3

Analysis

max time kernel
143s
max time network
192s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 12:53

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General

Target

dffe97932090808a255eeab9fe320f52d9bce3b53eb83f55b26d671e799c72c3.exe
Size

83KB
MD5

8490bb5a03e4189cfaf34bed7dde83f8
SHA1

065060792c692a74c45d56927de9e394e739c8f4
SHA256

dffe97932090808a255eeab9fe320f52d9bce3b53eb83f55b26d671e799c72c3
SHA512

c67b53beb61cf25e0fcf4244616a8dc73961afb61cf8151b655fd75a1c348d6403e63e2450557b5cfaf2f17262f264deeeff32b9382e5017db5d055b412df941
SSDEEP

1536:nUXJ8H5w6+EGFX0w+zCFTXj6mHNpXHNObIdCBWaZgGTufRdPLYNf+XAvG2DLcmAs:nU58Ha6pGFqzCNHNpXNgtET3dzwmMDgs

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	4344	dw20.exe
Token: SeBackupPrivilege	4344	dw20.exe
Token: SeBackupPrivilege	4344	dw20.exe
Token: SeBackupPrivilege	4344	dw20.exe
Token: SeBackupPrivilege	4344	dw20.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

dffe97932090808a255eeab9fe320f52d9bce3b53eb83f55b26d671e799c72c3.exe

description	pid	process	target process
PID 2104 wrote to memory of 4344	2104	dffe97932090808a255eeab9fe320f52d9bce3b53eb83f55b26d671e799c72c3.exe	dw20.exe
PID 2104 wrote to memory of 4344	2104	dffe97932090808a255eeab9fe320f52d9bce3b53eb83f55b26d671e799c72c3.exe	dw20.exe
PID 2104 wrote to memory of 4344	2104	dffe97932090808a255eeab9fe320f52d9bce3b53eb83f55b26d671e799c72c3.exe	dw20.exe

C:\Users\Admin\AppData\Local\Temp\dffe97932090808a255eeab9fe320f52d9bce3b53eb83f55b26d671e799c72c3.exe
"C:\Users\Admin\AppData\Local\Temp\dffe97932090808a255eeab9fe320f52d9bce3b53eb83f55b26d671e799c72c3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2104

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 820
2⤵
- Drops file in Windows directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:4344

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

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Downloads

memory/2104-132-0x0000000074A80000-0x0000000075031000-memory.dmp

Filesize
5.7MB

Download
memory/2104-133-0x0000000074A80000-0x0000000075031000-memory.dmp

Filesize
5.7MB

Download
memory/2104-135-0x0000000074A80000-0x0000000075031000-memory.dmp

Filesize
5.7MB

Download
memory/4344-134-0x0000000000000000-mapping.dmp

Download