be11a0524365455c9b82b76f4d8942ad3b2d2fc3e6807aa683042005183cadb4

Analysis

max time kernel
244s
max time network
34s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
24-11-2022 20:56

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General

Target

Accessible.tlb
Size

2KB
MD5

aa50295fb0d54e2fe77ce5de151e4f2d
SHA1

ece456a4fa4bf5fce40dd12bb2141468cf42e164
SHA256

224650096aa29b8a3c653a25384e56bbdc108326dc1849bbfdc70562f183e8b7
SHA512

6b2bcdd3279d9b1c30ab260d37ed78ee2ef99dd747b31f5ce7fd862e38c0501c4a3f16de399b558656a1702ff4379eaae2cdf49e14f46a96ce3dbda479122f1b

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 2 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-575491160-2295418218-1540667289-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

rundll32.exe

pid process

1204 rundll32.exe

pid	process
1204	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 2036 wrote to memory of 1204	2036	cmd.exe	rundll32.exe
PID 2036 wrote to memory of 1204	2036	cmd.exe	rundll32.exe
PID 2036 wrote to memory of 1204	2036	cmd.exe	rundll32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Accessible.tlb
1⤵
- Suspicious use of WriteProcessMemory
PID:2036

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Accessible.tlb
2⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
PID:1204

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1204-76-0x0000000000000000-mapping.dmp

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memory/2036-54-0x000007FEFBF01000-0x000007FEFBF03000-memory.dmp

Filesize
8KB

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