9868e15ce5dee4ac08bbb900151fae026a036f5f80c9b6bc5f8746b64002aec5

Resubmissions

14/02/2024, 10:18

240214-mcaeaafg4y 7

14/02/2024, 10:16

240214-masg3sgg75 7

Analysis

max time kernel
93s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 10:18

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General

Target

$PLUGINSDIR/CLR.dll
Size

93KB
MD5

732691c7a1ef4e7decb9d8c52010a709
SHA1

ecbf0bbcb051433d570e212e73a883f8e5f19996
SHA256

5f3573a00f3333d7587044f59b72511263103525d2cdfe79475c6726735d0812
SHA512

fcbde499f9592ae25b757e805892f43ffe50c475bc54ea3e992bc2db647e42d661c3dad2c4056da89fe4a62365f5b57df24d1083382ebdbd146bfb83d48d167a
SSDEEP

1536:XJgC8K1IbncO54uknhaaA7qbFG8iY2h+7OiYtlmctUudvmpfD65OgOj:XJf8K1ITc3A7qbFG8iY2h+7OiYtlmctu

Score

1^/10

Malware Config

Signatures

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeRestorePrivilege	4560	dw20.exe
Token: SeBackupPrivilege	4560	dw20.exe
Token: SeBackupPrivilege	4560	dw20.exe
Token: SeBackupPrivilege	4560	dw20.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1012 wrote to memory of 4580	1012	rundll32.exe	83
PID 1012 wrote to memory of 4580	1012	rundll32.exe	83
PID 1012 wrote to memory of 4580	1012	rundll32.exe	83
PID 4580 wrote to memory of 4560	4580	rundll32.exe	84
PID 4580 wrote to memory of 4560	4580	rundll32.exe	84
PID 4580 wrote to memory of 4560	4580	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\CLR.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1012
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\CLR.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4580
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 1004
    3⤵
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:4560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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/4580-0-0x00000000013C0000-0x00000000013D0000-memory.dmp

Filesize
64KB

Download
memory/4580-1-0x0000000074FB0000-0x0000000075561000-memory.dmp

Filesize
5.7MB

Download
memory/4580-2-0x0000000074FB0000-0x0000000075561000-memory.dmp

Filesize
5.7MB

Download
memory/4580-3-0x00000000013C0000-0x00000000013D0000-memory.dmp

Filesize
64KB

Download
memory/4580-4-0x00000000013C0000-0x00000000013D0000-memory.dmp

Filesize
64KB

Download
memory/4580-11-0x0000000074FB0000-0x0000000075561000-memory.dmp

Filesize
5.7MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads