f87e3e2ba0f1e78437190fd300029e522e5c0c6405bfdb941ca597b58b105d44

Analysis

max time kernel
162s
max time network
184s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2022 01:44

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General

Target

f87e3e2ba0f1e78437190fd300029e522e5c0c6405bfdb941ca597b58b105d44.exe
Size

44KB
MD5

3e41aa060d88846a2e970e19256d6cd0
SHA1

cd684331561a4fa14632f34479902156e8fc9e01
SHA256

f87e3e2ba0f1e78437190fd300029e522e5c0c6405bfdb941ca597b58b105d44
SHA512

cb67a43c975b7a95d39ae392838ef6ad0633c8fc622df19b4d49efb977414e72317bfe5a11a9d3e8f3b04d374b7bb8574e4c93e7d7052d4fe32f195947c5ed3b
SSDEEP

768:+UHDVSqSLfSbaxmnZ2S1581N6HUjHPSqvtK1o7Mr1LT8N5a/gEnjd7kTSkfs0:MmA5o81W1H8NEnjFkT

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

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 5 IoCs

description	pid	Process
Token: SeRestorePrivilege	408	dw20.exe
Token: SeBackupPrivilege	408	dw20.exe
Token: SeBackupPrivilege	408	dw20.exe
Token: SeBackupPrivilege	408	dw20.exe
Token: SeBackupPrivilege	408	dw20.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 408	2528	f87e3e2ba0f1e78437190fd300029e522e5c0c6405bfdb941ca597b58b105d44.exe	81
PID 2528 wrote to memory of 408	2528	f87e3e2ba0f1e78437190fd300029e522e5c0c6405bfdb941ca597b58b105d44.exe	81
PID 2528 wrote to memory of 408	2528	f87e3e2ba0f1e78437190fd300029e522e5c0c6405bfdb941ca597b58b105d44.exe	81

C:\Users\Admin\AppData\Local\Temp\f87e3e2ba0f1e78437190fd300029e522e5c0c6405bfdb941ca597b58b105d44.exe
"C:\Users\Admin\AppData\Local\Temp\f87e3e2ba0f1e78437190fd300029e522e5c0c6405bfdb941ca597b58b105d44.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
  dw20.exe -x -s 860
  2⤵
  - Drops file in Windows directory
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:408

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/408-132-0x0000000000000000-mapping.dmp

Download
memory/2528-133-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/2528-134-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/2528-135-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads