d08128d1668185936a409284aacbdfed84d2127e15adbe4b3d1a39de37ac054a

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
28-11-2022 05:44

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General

Target

d08128d1668185936a409284aacbdfed84d2127e15adbe4b3d1a39de37ac054a.exe
Size

429KB
MD5

0de9d536408cc6b64279fe61647a9a3b
SHA1

63fa4bedbe88536a6d5dcc059e2930733b8806bb
SHA256

d08128d1668185936a409284aacbdfed84d2127e15adbe4b3d1a39de37ac054a
SHA512

0c671cdf13df64692c64d43f30f864870657c5d43906c6497a06bc6035012c8dea7bf43541cb3744c484fe77979cb6bba57f0502a400bbc66bcf3d2a53b359dd
SSDEEP

6144:sWrauokkwa+lHZcQHAB4+6qdrK4gt5MNsXhmwQXwRItnjqXoVYzlEp3e8o:uuox34a24gXM2hmwcwRItjqxzg3e

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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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	4952	dw20.exe
Token: SeBackupPrivilege	4952	dw20.exe
Token: SeBackupPrivilege	4952	dw20.exe
Token: SeBackupPrivilege	4952	dw20.exe
Token: SeBackupPrivilege	4952	dw20.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

d08128d1668185936a409284aacbdfed84d2127e15adbe4b3d1a39de37ac054a.exe

description	pid	process	target process
PID 4636 wrote to memory of 4952	4636	d08128d1668185936a409284aacbdfed84d2127e15adbe4b3d1a39de37ac054a.exe	dw20.exe
PID 4636 wrote to memory of 4952	4636	d08128d1668185936a409284aacbdfed84d2127e15adbe4b3d1a39de37ac054a.exe	dw20.exe
PID 4636 wrote to memory of 4952	4636	d08128d1668185936a409284aacbdfed84d2127e15adbe4b3d1a39de37ac054a.exe	dw20.exe

C:\Users\Admin\AppData\Local\Temp\d08128d1668185936a409284aacbdfed84d2127e15adbe4b3d1a39de37ac054a.exe
"C:\Users\Admin\AppData\Local\Temp\d08128d1668185936a409284aacbdfed84d2127e15adbe4b3d1a39de37ac054a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4636
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
  dw20.exe -x -s 852
  2⤵
  - Drops file in Windows directory
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:4952

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/4636-132-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/4636-133-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/4636-135-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/4952-134-0x0000000000000000-mapping.dmp

Download