b99b38b665b893b70afa654124de86892db17ae29e7957712c4742b751fb473e

Analysis

max time kernel
174s
max time network
197s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
06/12/2022, 23:41

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General

Target

b99b38b665b893b70afa654124de86892db17ae29e7957712c4742b751fb473e.exe
Size

452KB
MD5

5107389d662b5b2bbd7c612293eba4f0
SHA1

8f999fbc24f7ddb8f786b6815096dadbe3fe1b8c
SHA256

b99b38b665b893b70afa654124de86892db17ae29e7957712c4742b751fb473e
SHA512

997eea42e5f2d069b55f70382c4e6df2fb6731395802d89ebd17f9b0dd393278c215ac3590f736957a5fa86c3c8708d00ca2c942d8390be4d7851fb749324a0c
SSDEEP

6144:5VQGolbtC4JRI0CJvJEr7+YQH8h6gmm50kGmUDPV6hJrssJYU:5qRVLyJ6+V8h6gmm50k9UsJXYU

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\ProcessorNameString	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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	4124	b99b38b665b893b70afa654124de86892db17ae29e7957712c4742b751fb473e.exe
Token: SeRestorePrivilege	2044	dw20.exe
Token: SeBackupPrivilege	2044	dw20.exe
Token: SeBackupPrivilege	2044	dw20.exe
Token: SeBackupPrivilege	2044	dw20.exe
Token: SeBackupPrivilege	2044	dw20.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4124 wrote to memory of 2044	4124	b99b38b665b893b70afa654124de86892db17ae29e7957712c4742b751fb473e.exe	85
PID 4124 wrote to memory of 2044	4124	b99b38b665b893b70afa654124de86892db17ae29e7957712c4742b751fb473e.exe	85
PID 4124 wrote to memory of 2044	4124	b99b38b665b893b70afa654124de86892db17ae29e7957712c4742b751fb473e.exe	85

C:\Users\Admin\AppData\Local\Temp\b99b38b665b893b70afa654124de86892db17ae29e7957712c4742b751fb473e.exe
"C:\Users\Admin\AppData\Local\Temp\b99b38b665b893b70afa654124de86892db17ae29e7957712c4742b751fb473e.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4124
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
  dw20.exe -x -s 872
  2⤵
  - Drops file in Windows directory
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:2044

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/4124-133-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/4124-134-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/4124-135-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads