99eeafa282fde5d7b15c7a156df014e596e7f5855aa98bf616edf115a22ba79e

Analysis

max time kernel
254s
max time network
285s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
05/12/2022, 11:29

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General

Target

99eeafa282fde5d7b15c7a156df014e596e7f5855aa98bf616edf115a22ba79e.dll
Size

32KB
MD5

f073043a508ac2d71425fe5cf03832da
SHA1

25483a83dc7be5af5a62afdf8809f2cbbe6f681c
SHA256

99eeafa282fde5d7b15c7a156df014e596e7f5855aa98bf616edf115a22ba79e
SHA512

9eb39705cc7f1a4bae37743a7b4f9a5842e2c2f38d51754f6f3c4b39f71a5cfb1be75785bb08957eb43b2b15998f63adff135cbb8b609cd68136047a2b20add8
SSDEEP

768:PJ5zdDBFfgdJXa68ZtuUR9SALA5mnO39q2xXqpFL7UfIB:PjHEA0UBLAHLxsUfIB

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 3 IoCs

description	pid	Process	procid_target
PID 3076 wrote to memory of 3340	3076	rundll32.exe	81
PID 3076 wrote to memory of 3340	3076	rundll32.exe	81
PID 3076 wrote to memory of 3340	3076	rundll32.exe	81

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\99eeafa282fde5d7b15c7a156df014e596e7f5855aa98bf616edf115a22ba79e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3076
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\99eeafa282fde5d7b15c7a156df014e596e7f5855aa98bf616edf115a22ba79e.dll,#1
  2⤵
  - Maps connected drives based on registry
  - Drops file in Windows directory
  PID:3340

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/3340-133-0x0000000013140000-0x000000001314A000-memory.dmp

Filesize
40KB

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