8b3577485361eab681759d83c3509594adab20527480503a30be2fd78a48e317

Analysis

max time kernel
43s
max time network
47s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
30/10/2022, 12:35

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General

Target

8b3577485361eab681759d83c3509594adab20527480503a30be2fd78a48e317.dll
Size

24KB
MD5

93a8deb4b376f2dbe5d0331e40803f30
SHA1

204d5faf51c268f595c5c181358c78038ef23368
SHA256

8b3577485361eab681759d83c3509594adab20527480503a30be2fd78a48e317
SHA512

9e943c3269f32c60bae24580ac1d4010760ada8246020d94634a7d1f689b3e911ce87db45aad540ee4b4c62326912a7905bc269a97f92a7afd65b7fe50efdc21
SSDEEP

768:/pARBR4lSi7mEkZPRrx6IBepJrtDwGI39xE:/SmoqvkJRrQjFt2x

Score

6^/10

Malware Config

Signatures

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	rundll32.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\linkinfo.dll	rundll32.exe
File created	C:\Windows\twain_86.dll	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 1724	1672	rundll32.exe	27
PID 1672 wrote to memory of 1724	1672	rundll32.exe	27
PID 1672 wrote to memory of 1724	1672	rundll32.exe	27
PID 1672 wrote to memory of 1724	1672	rundll32.exe	27
PID 1672 wrote to memory of 1724	1672	rundll32.exe	27
PID 1672 wrote to memory of 1724	1672	rundll32.exe	27
PID 1672 wrote to memory of 1724	1672	rundll32.exe	27

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b3577485361eab681759d83c3509594adab20527480503a30be2fd78a48e317.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b3577485361eab681759d83c3509594adab20527480503a30be2fd78a48e317.dll,#1
  2⤵
  - Maps connected drives based on registry
  - Drops file in Windows directory
  PID:1724

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1724-55-0x0000000075111000-0x0000000075113000-memory.dmp

Filesize
8KB

Download
memory/1724-56-0x0000000073FF1000-0x0000000073FF3000-memory.dmp

Filesize
8KB

Download
memory/1724-57-0x0000000013140000-0x000000001314A000-memory.dmp

Filesize
40KB

Download