6e508bb54af0305a9d707641654c1fbad951144e53dc004498299344c56f5c67

Analysis

max time kernel
0s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 11:13

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

69fe749b63c4d59f480ff443d2112e41.dll
Size

161KB
MD5

69fe749b63c4d59f480ff443d2112e41
SHA1

ebc782e0fb4994008f88e9e99375e2741f73343e
SHA256

6e508bb54af0305a9d707641654c1fbad951144e53dc004498299344c56f5c67
SHA512

bda0a5333c498ac6082bea783e86d4cd22082ea9844b064784792b5a9b7ad51f13ed5ca4d125fae769115250eaa90d48f4ba5e527cbf2949659078a97920799f
SSDEEP

3072:Hw8cjtD3iPjcwvGBLS8fBz02e4muPjMRDX7LiT+v5GA4/Aqdcfsw:Hu6cwvELSgO2jANiAYAUy

Score

10^/10

evasion

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "0"	rundll32.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	rundll32.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
400	rundll32.exe
400	rundll32.exe
400	rundll32.exe
400	rundll32.exe
400	rundll32.exe
400	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	400	rundll32.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
3476	Explorer.EXE
3476	Explorer.EXE
3476	Explorer.EXE
3476	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4496 wrote to memory of 400	4496	rundll32.exe	14
PID 4496 wrote to memory of 400	4496	rundll32.exe	14
PID 4496 wrote to memory of 400	4496	rundll32.exe	14
PID 400 wrote to memory of 3476	400	rundll32.exe	51
PID 400 wrote to memory of 208	400	rundll32.exe	24
PID 400 wrote to memory of 208	400	rundll32.exe	24
PID 400 wrote to memory of 208	400	rundll32.exe	24

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\69fe749b63c4d59f480ff443d2112e41.dll,#1
1⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:400
- C:\Windows\SysWOW64\explorer.exe
  explorer C:\Users\Admin\AppData
  2⤵
  PID:208

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\69fe749b63c4d59f480ff443d2112e41.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4496

C:\Windows\explorer.exe
C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
1⤵
PID:5020

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4732

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
PID:3476

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/400-6-0x0000000077662000-0x0000000077663000-memory.dmp

Filesize
4KB

Download
memory/400-7-0x000000007F9F0000-0x000000007F9F1000-memory.dmp

Filesize
4KB

Download
memory/400-5-0x0000000000890000-0x00000000008B2000-memory.dmp

Filesize
136KB

Download
memory/400-3-0x0000000000890000-0x00000000008B2000-memory.dmp

Filesize
136KB

Download