f13046a5373d4862bd6968c2ddbc5776075e2e6d39de1f7b319c9bb2bf125721

Analysis

max time kernel
136s
max time network
173s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
20-10-2022 19:15

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General

Target

f13046a5373d4862bd6968c2ddbc5776075e2e6d39de1f7b319c9bb2bf125721.exe
Size

240KB
MD5

a07fb2ef06380c32ba1c916092576f71
SHA1

3204163ac87633c3dd18e4c6168eecf5014c408e
SHA256

f13046a5373d4862bd6968c2ddbc5776075e2e6d39de1f7b319c9bb2bf125721
SHA512

1448295c1775590ecf9c096646e28f91f60b68f098b1f8ffdb40bd8d98b6b50363b1ebcac2fe25217e604e232eda2e9d4b6e4795b141f46008b7d7c14814193f
SSDEEP

3072:CvS8k/Mbsig+Y/zhUGT3PsWJHduQ/HBeCLCXWO7PlSSIyengTNc7WQY3lDQSV54x:fjz1PsguEfCXp7PASDTNcaQilDRv

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 6 IoCs

Processes:

f13046a5373d4862bd6968c2ddbc5776075e2e6d39de1f7b319c9bb2bf125721.exedw20.exe

description	pid	process
Token: SeDebugPrivilege	4908	f13046a5373d4862bd6968c2ddbc5776075e2e6d39de1f7b319c9bb2bf125721.exe
Token: SeRestorePrivilege	1984	dw20.exe
Token: SeBackupPrivilege	1984	dw20.exe
Token: SeBackupPrivilege	1984	dw20.exe
Token: SeBackupPrivilege	1984	dw20.exe
Token: SeBackupPrivilege	1984	dw20.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

f13046a5373d4862bd6968c2ddbc5776075e2e6d39de1f7b319c9bb2bf125721.exe

description	pid	process	target process
PID 4908 wrote to memory of 1984	4908	f13046a5373d4862bd6968c2ddbc5776075e2e6d39de1f7b319c9bb2bf125721.exe	dw20.exe
PID 4908 wrote to memory of 1984	4908	f13046a5373d4862bd6968c2ddbc5776075e2e6d39de1f7b319c9bb2bf125721.exe	dw20.exe
PID 4908 wrote to memory of 1984	4908	f13046a5373d4862bd6968c2ddbc5776075e2e6d39de1f7b319c9bb2bf125721.exe	dw20.exe

C:\Users\Admin\AppData\Local\Temp\f13046a5373d4862bd6968c2ddbc5776075e2e6d39de1f7b319c9bb2bf125721.exe
"C:\Users\Admin\AppData\Local\Temp\f13046a5373d4862bd6968c2ddbc5776075e2e6d39de1f7b319c9bb2bf125721.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4908

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 1132
2⤵
- Drops file in Windows directory
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:1984

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/1984-134-0x0000000000000000-mapping.dmp

Download
memory/4908-132-0x00000000752E0000-0x0000000075891000-memory.dmp

Filesize
5.7MB

Download
memory/4908-133-0x00000000752E0000-0x0000000075891000-memory.dmp

Filesize
5.7MB

Download
memory/4908-135-0x00000000752E0000-0x0000000075891000-memory.dmp

Filesize
5.7MB

Download