24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f

Analysis

max time kernel
144s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2022, 11:35

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General

Target

24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f.exe
Size

180KB
MD5

2d8462b9f8252c83bb461cd14010b2bd
SHA1

a05fa49c558fa2e6439a814d72056fc9b3a748d8
SHA256

24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f
SHA512

10698b5e857c9fe6d6a40791c5b01a12b610d6760053c6c44353d2d735e8c98f0446e302b712232bf81f93bf3a06bb1efd565206ef4a0807fb3fbd82e1ba2845
SSDEEP

3072:pXvTb0Y5FmB3nF7WZvr3OBCR+L550cmZ9Sm4vQeVDjee3RpMOGPv:pfMQFmB3nF7Whr3OBCITagbJDjee3Rpg

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
564	winlogon.exe
4644	winlogon.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\winlogon.exe"	24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\S:	winlogon.exe
File opened (read-only)	\??\H:	winlogon.exe
File opened (read-only)	\??\K:	winlogon.exe
File opened (read-only)	\??\L:	winlogon.exe
File opened (read-only)	\??\N:	winlogon.exe
File opened (read-only)	\??\O:	winlogon.exe
File opened (read-only)	\??\P:	winlogon.exe
File opened (read-only)	\??\Q:	winlogon.exe
File opened (read-only)	\??\T:	winlogon.exe
File opened (read-only)	\??\Y:	winlogon.exe
File opened (read-only)	\??\Z:	winlogon.exe
File opened (read-only)	\??\F:	winlogon.exe
File opened (read-only)	\??\I:	winlogon.exe
File opened (read-only)	\??\M:	winlogon.exe
File opened (read-only)	\??\V:	winlogon.exe
File opened (read-only)	\??\X:	winlogon.exe
File opened (read-only)	\??\G:	winlogon.exe
File opened (read-only)	\??\W:	winlogon.exe
File opened (read-only)	\??\E:	winlogon.exe
File opened (read-only)	\??\J:	winlogon.exe
File opened (read-only)	\??\R:	winlogon.exe
File opened (read-only)	\??\U:	winlogon.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3424 set thread context of 3524	3424	24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f.exe	79
PID 564 set thread context of 4644	564	winlogon.exe	81

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4644	winlogon.exe
4644	winlogon.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3424	24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f.exe
564	winlogon.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3424 wrote to memory of 3524	3424	24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f.exe	79
PID 3424 wrote to memory of 3524	3424	24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f.exe	79
PID 3424 wrote to memory of 3524	3424	24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f.exe	79
PID 3424 wrote to memory of 3524	3424	24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f.exe	79
PID 3424 wrote to memory of 3524	3424	24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f.exe	79
PID 3424 wrote to memory of 3524	3424	24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f.exe	79
PID 3424 wrote to memory of 3524	3424	24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f.exe	79
PID 3424 wrote to memory of 3524	3424	24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f.exe	79
PID 3424 wrote to memory of 3524	3424	24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f.exe	79
PID 3424 wrote to memory of 3524	3424	24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f.exe	79
PID 3424 wrote to memory of 3524	3424	24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f.exe	79
PID 3424 wrote to memory of 3524	3424	24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f.exe	79
PID 3424 wrote to memory of 3524	3424	24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f.exe	79
PID 3524 wrote to memory of 564	3524	24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f.exe	80
PID 3524 wrote to memory of 564	3524	24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f.exe	80
PID 3524 wrote to memory of 564	3524	24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f.exe	80
PID 564 wrote to memory of 4644	564	winlogon.exe	81
PID 564 wrote to memory of 4644	564	winlogon.exe	81
PID 564 wrote to memory of 4644	564	winlogon.exe	81
PID 564 wrote to memory of 4644	564	winlogon.exe	81
PID 564 wrote to memory of 4644	564	winlogon.exe	81
PID 564 wrote to memory of 4644	564	winlogon.exe	81
PID 564 wrote to memory of 4644	564	winlogon.exe	81
PID 564 wrote to memory of 4644	564	winlogon.exe	81
PID 564 wrote to memory of 4644	564	winlogon.exe	81
PID 564 wrote to memory of 4644	564	winlogon.exe	81
PID 564 wrote to memory of 4644	564	winlogon.exe	81
PID 564 wrote to memory of 4644	564	winlogon.exe	81
PID 564 wrote to memory of 4644	564	winlogon.exe	81

C:\Users\Admin\AppData\Local\Temp\24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f.exe
"C:\Users\Admin\AppData\Local\Temp\24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3424
- C:\Users\Admin\AppData\Local\Temp\24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f.exe
  C:\Users\Admin\AppData\Local\Temp\24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f.exe
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3524
- - C:\Users\Admin\AppData\Roaming\Microsoft\winlogon.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\winlogon.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:564
  - - C:\Users\Admin\AppData\Roaming\Microsoft\winlogon.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\winlogon.exe
      4⤵
      Executes dropped EXE
      Enumerates connected drives
      Suspicious behavior: EnumeratesProcesses
      PID:4644

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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

C:\Users\Admin\AppData\Roaming\Microsoft\winlogon.exe

Filesize
180KB

MD5
2d8462b9f8252c83bb461cd14010b2bd

SHA1
a05fa49c558fa2e6439a814d72056fc9b3a748d8

SHA256
24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f

SHA512
10698b5e857c9fe6d6a40791c5b01a12b610d6760053c6c44353d2d735e8c98f0446e302b712232bf81f93bf3a06bb1efd565206ef4a0807fb3fbd82e1ba2845

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\winlogon.exe

Filesize
180KB

MD5
2d8462b9f8252c83bb461cd14010b2bd

SHA1
a05fa49c558fa2e6439a814d72056fc9b3a748d8

SHA256
24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f

SHA512
10698b5e857c9fe6d6a40791c5b01a12b610d6760053c6c44353d2d735e8c98f0446e302b712232bf81f93bf3a06bb1efd565206ef4a0807fb3fbd82e1ba2845

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\winlogon.exe

Filesize
180KB

MD5
2d8462b9f8252c83bb461cd14010b2bd

SHA1
a05fa49c558fa2e6439a814d72056fc9b3a748d8

SHA256
24ea6b7f6e8f941bb616e24dc8b0abad3f11945704e1babaf38a7aeb0246d71f

SHA512
10698b5e857c9fe6d6a40791c5b01a12b610d6760053c6c44353d2d735e8c98f0446e302b712232bf81f93bf3a06bb1efd565206ef4a0807fb3fbd82e1ba2845

Download Submit
memory/3524-137-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3524-138-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3524-141-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3524-136-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3524-135-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4644-149-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4644-150-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/4644-151-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download