ae83347e7e7c4443e6b87ca047ca5b883b8dc8e044e6e85efec4bd2ab7e91d85

Analysis

max time kernel
145s
max time network
158s
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, 01:27

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General

Target

ae83347e7e7c4443e6b87ca047ca5b883b8dc8e044e6e85efec4bd2ab7e91d85.exe
Size

216KB
MD5

a421dd1b9061ab37b5f379d3f6da038c
SHA1

fc3ccbf1570613a4f27e403593033a6d2e4616d0
SHA256

ae83347e7e7c4443e6b87ca047ca5b883b8dc8e044e6e85efec4bd2ab7e91d85
SHA512

f6f9e6604a6fbc757551f194765a9eefeb9df7ef8d266fdc7865384b22fbc6959076cacd45d646da552ffd3e1ed319834ff4415f2f8f093cde98dda1d3e4e76c
SSDEEP

1536:9gG9hAmbzNhf3ldAmD+DJ2TXxz1kfmzJIbLiXQFcd6C+Xgb+1Eqmc9CJxuZA9/i6:9gGz/zTxIAjzMmObug+6BgbQEU

Score

4^/10

Malware Config

Signatures

Drops file in Windows directory 1 IoCs

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

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

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

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

description	pid	Process
Token: SeDebugPrivilege	4960	ae83347e7e7c4443e6b87ca047ca5b883b8dc8e044e6e85efec4bd2ab7e91d85.exe
Token: SeRestorePrivilege	2728	dw20.exe
Token: SeBackupPrivilege	2728	dw20.exe
Token: SeBackupPrivilege	2728	dw20.exe
Token: SeBackupPrivilege	2728	dw20.exe
Token: SeBackupPrivilege	2728	dw20.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 2728	4960	ae83347e7e7c4443e6b87ca047ca5b883b8dc8e044e6e85efec4bd2ab7e91d85.exe	80
PID 4960 wrote to memory of 2728	4960	ae83347e7e7c4443e6b87ca047ca5b883b8dc8e044e6e85efec4bd2ab7e91d85.exe	80
PID 4960 wrote to memory of 2728	4960	ae83347e7e7c4443e6b87ca047ca5b883b8dc8e044e6e85efec4bd2ab7e91d85.exe	80

C:\Users\Admin\AppData\Local\Temp\ae83347e7e7c4443e6b87ca047ca5b883b8dc8e044e6e85efec4bd2ab7e91d85.exe
"C:\Users\Admin\AppData\Local\Temp\ae83347e7e7c4443e6b87ca047ca5b883b8dc8e044e6e85efec4bd2ab7e91d85.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4960
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
  dw20.exe -x -s 1120
  2⤵
  - Drops file in Windows directory
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:2728

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/4960-132-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download
memory/4960-134-0x00000000746C0000-0x0000000074C71000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads