44423c3d0ea20964dc8918929e6fa588396b3ce654798022506852cd9b60aa3c

Analysis

max time kernel
136s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
08/07/2021, 11:16

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
64fa7eb983ff94085cb530a373fe9ba3.exe
Size 643KB
Sample210708-mm492w3txa
SHA256 44423c3d0ea20964dc8918929e6fa588396b3ce654798022506852cd9b60aa3c
MD5 64fa7eb983ff94085cb530a373fe9ba3
SHA1 9a90280f3a1fc863efa4125d6c4907f5416d20a4
SHA512 d9817bdc5564c9c4d3bbd6330ce5e1dc28d6f22fdec578726109579e05f9d714728a90c249e53f71565eff1fcb99d87ea93767265f464e4445ec49961b26304a
MD5 SHA1 SHA512

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Roaming\\pdf.exe\","	64fa7eb983ff94085cb530a373fe9ba3.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3156 set thread context of 1016	3156	64fa7eb983ff94085cb530a373fe9ba3.exe	80

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3156	64fa7eb983ff94085cb530a373fe9ba3.exe
3156	64fa7eb983ff94085cb530a373fe9ba3.exe
3156	64fa7eb983ff94085cb530a373fe9ba3.exe
3156	64fa7eb983ff94085cb530a373fe9ba3.exe
3156	64fa7eb983ff94085cb530a373fe9ba3.exe
3156	64fa7eb983ff94085cb530a373fe9ba3.exe
1016	64fa7eb983ff94085cb530a373fe9ba3.exe
1016	64fa7eb983ff94085cb530a373fe9ba3.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3156	64fa7eb983ff94085cb530a373fe9ba3.exe
Token: SeDebugPrivilege	1016	64fa7eb983ff94085cb530a373fe9ba3.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3156 wrote to memory of 3740	3156	64fa7eb983ff94085cb530a373fe9ba3.exe	79
PID 3156 wrote to memory of 3740	3156	64fa7eb983ff94085cb530a373fe9ba3.exe	79
PID 3156 wrote to memory of 3740	3156	64fa7eb983ff94085cb530a373fe9ba3.exe	79
PID 3156 wrote to memory of 1016	3156	64fa7eb983ff94085cb530a373fe9ba3.exe	80
PID 3156 wrote to memory of 1016	3156	64fa7eb983ff94085cb530a373fe9ba3.exe	80
PID 3156 wrote to memory of 1016	3156	64fa7eb983ff94085cb530a373fe9ba3.exe	80
PID 3156 wrote to memory of 1016	3156	64fa7eb983ff94085cb530a373fe9ba3.exe	80
PID 3156 wrote to memory of 1016	3156	64fa7eb983ff94085cb530a373fe9ba3.exe	80
PID 3156 wrote to memory of 1016	3156	64fa7eb983ff94085cb530a373fe9ba3.exe	80
PID 3156 wrote to memory of 1016	3156	64fa7eb983ff94085cb530a373fe9ba3.exe	80
PID 3156 wrote to memory of 1016	3156	64fa7eb983ff94085cb530a373fe9ba3.exe	80

C:\Users\Admin\AppData\Local\Temp\64fa7eb983ff94085cb530a373fe9ba3.exe
"C:\Users\Admin\AppData\Local\Temp\64fa7eb983ff94085cb530a373fe9ba3.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3156
- C:\Users\Admin\AppData\Local\Temp\64fa7eb983ff94085cb530a373fe9ba3.exe
  C:\Users\Admin\AppData\Local\Temp\64fa7eb983ff94085cb530a373fe9ba3.exe
  2⤵
  PID:3740
- C:\Users\Admin\AppData\Local\Temp\64fa7eb983ff94085cb530a373fe9ba3.exe
  C:\Users\Admin\AppData\Local\Temp\64fa7eb983ff94085cb530a373fe9ba3.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1016

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1016-128-0x0000000000400000-0x000000000047A000-memory.dmp

Download

memory/1016-137-0x00000000063E0000-0x00000000063E1000-memory.dmp

Download

memory/1016-136-0x0000000005B20000-0x0000000005B21000-memory.dmp

Download

memory/1016-134-0x0000000005660000-0x0000000005B5E000-memory.dmp

Download

memory/1016-135-0x0000000005830000-0x0000000005831000-memory.dmp

Download

memory/3156-119-0x0000000004B50000-0x000000000504E000-memory.dmp

Download

memory/3156-127-0x0000000007320000-0x0000000007379000-memory.dmp

Download

memory/3156-122-0x0000000005030000-0x0000000005031000-memory.dmp

Download

memory/3156-121-0x0000000006840000-0x0000000006841000-memory.dmp

Download

memory/3156-120-0x0000000006750000-0x00000000067B9000-memory.dmp

Download

memory/3156-114-0x00000000002D0000-0x00000000002D1000-memory.dmp

Download

memory/3156-118-0x0000000004BC0000-0x0000000004BC1000-memory.dmp

Download

memory/3156-117-0x0000000004BF0000-0x0000000004BF1000-memory.dmp

Download

memory/3156-116-0x0000000005050000-0x0000000005051000-memory.dmp

Download