0895e5c8354d90cd47dfd9b0f92d400ba0675e2467f01d6d4714344345afe931

Analysis

max time kernel
143s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
11/07/2023, 10:59

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General

Target

Stub.exe
Size

27KB
MD5

3003ca8bbdde3b4e9ecf6c78771751be
SHA1

d139feb95ef22f87a200fe11c398d1646f0b5d8e
SHA256

0895e5c8354d90cd47dfd9b0f92d400ba0675e2467f01d6d4714344345afe931
SHA512

e0348cf8f833711eed4b8b64fa86b1edbdc9083161548e0942521a9dc2e33f8bf40aa8c66c3602224fc08acbf532faef79d18edf2c9e4f928989577d708ed229
SSDEEP

384:BEnPsCz5L+5g8NvD4CUKrNbktPhvS2TeKQNf8TkA/4E/q+LRmDTHOiux5mfLS+oK:2nPsOf8NvDHFNb4S2T+NfQziO3K

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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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	4928	dw20.exe
Token: SeBackupPrivilege	4928	dw20.exe
Token: SeBackupPrivilege	4928	dw20.exe
Token: SeBackupPrivilege	4928	dw20.exe
Token: SeBackupPrivilege	4928	dw20.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3316 wrote to memory of 4928	3316	Stub.exe	86
PID 3316 wrote to memory of 4928	3316	Stub.exe	86
PID 3316 wrote to memory of 4928	3316	Stub.exe	86

C:\Users\Admin\AppData\Local\Temp\Stub.exe
"C:\Users\Admin\AppData\Local\Temp\Stub.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3316
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
  dw20.exe -x -s 848
  2⤵
  - Drops file in Windows directory
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:4928

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/3316-133-0x0000000000EB0000-0x0000000000EC0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads