472e60a2c0f1f41c0e2adf4a849376a09050a035d0f8cb2ca8b0f341daefc4a1

General

Target

7840c07d4d8f75dcd747d96912d2518659c0cd56.exe
Size

476KB
MD5

8a80deda6089d4ec669248c5ac2e8cca
SHA1

7840c07d4d8f75dcd747d96912d2518659c0cd56
SHA256

472e60a2c0f1f41c0e2adf4a849376a09050a035d0f8cb2ca8b0f341daefc4a1
SHA512

e64f3c994282553275bae5c9477eb70ed346bc687ed958dbc64971424b745470c654e6c962b8702e08b86b6385c98469cdbfbd3ea253203b8070802d260568d9
SSDEEP

12288:JCQ5gnHbL8z2hb/ha9SctISaeumhiF0AQ8Zazas:V5gm2bhqh8Q8ZaGs

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-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Local\\wgy.exe,"	reg.exe

Executes dropped EXE 1 IoCs

pid	Process
3708	wgy.exe

Runs ping.exe 1 TTPs 3 IoCs

Remote System Discovery

T1018

pid	Process
4492	PING.EXE
3544	PING.EXE
3988	PING.EXE

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe
4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe
4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe
4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe
4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe
4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe
4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe
4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe
4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe
4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe
4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe
4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe
4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe
4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe
4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe
4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe
4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe
4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe
4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe
4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe
4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe
4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe
4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe
3708	wgy.exe
3708	wgy.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe
Token: SeDebugPrivilege	3708	wgy.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4568 wrote to memory of 4028	4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe	84
PID 4568 wrote to memory of 4028	4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe	84
PID 4568 wrote to memory of 4028	4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe	84
PID 4028 wrote to memory of 4492	4028	cmd.exe	86
PID 4028 wrote to memory of 4492	4028	cmd.exe	86
PID 4028 wrote to memory of 4492	4028	cmd.exe	86
PID 4568 wrote to memory of 3984	4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe	88
PID 4568 wrote to memory of 3984	4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe	88
PID 4568 wrote to memory of 3984	4568	7840c07d4d8f75dcd747d96912d2518659c0cd56.exe	88
PID 3984 wrote to memory of 3544	3984	cmd.exe	90
PID 3984 wrote to memory of 3544	3984	cmd.exe	90
PID 3984 wrote to memory of 3544	3984	cmd.exe	90
PID 4028 wrote to memory of 204	4028	cmd.exe	91
PID 4028 wrote to memory of 204	4028	cmd.exe	91
PID 4028 wrote to memory of 204	4028	cmd.exe	91
PID 3984 wrote to memory of 3988	3984	cmd.exe	92
PID 3984 wrote to memory of 3988	3984	cmd.exe	92
PID 3984 wrote to memory of 3988	3984	cmd.exe	92
PID 3984 wrote to memory of 3708	3984	cmd.exe	100
PID 3984 wrote to memory of 3708	3984	cmd.exe	100
PID 3984 wrote to memory of 3708	3984	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\7840c07d4d8f75dcd747d96912d2518659c0cd56.exe
"C:\Users\Admin\AppData\Local\Temp\7840c07d4d8f75dcd747d96912d2518659c0cd56.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4568
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c ping 127.0.0.1 -n 39 > nul && REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Local\wgy.exe,"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4028
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 39
    3⤵
    - Runs ping.exe
    PID:4492
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Local\wgy.exe,"
    3⤵
    - Modifies WinLogon for persistence
    PID:204
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c ping 127.0.0.1 -n 39 > nul && copy "C:\Users\Admin\AppData\Local\Temp\7840c07d4d8f75dcd747d96912d2518659c0cd56.exe" "C:\Users\Admin\AppData\Local\wgy.exe" && ping 127.0.0.1 -n 39 > nul && "C:\Users\Admin\AppData\Local\wgy.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3984
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 39
    3⤵
    - Runs ping.exe
    PID:3544
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 39
    3⤵
    - Runs ping.exe
    PID:3988
- - C:\Users\Admin\AppData\Local\wgy.exe
    "C:\Users\Admin\AppData\Local\wgy.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3708

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\wgy.exe

Filesize
476KB

MD5
8a80deda6089d4ec669248c5ac2e8cca

SHA1
7840c07d4d8f75dcd747d96912d2518659c0cd56

SHA256
472e60a2c0f1f41c0e2adf4a849376a09050a035d0f8cb2ca8b0f341daefc4a1

SHA512
e64f3c994282553275bae5c9477eb70ed346bc687ed958dbc64971424b745470c654e6c962b8702e08b86b6385c98469cdbfbd3ea253203b8070802d260568d9

Download Submit
C:\Users\Admin\AppData\Local\wgy.exe

Filesize
476KB

MD5
8a80deda6089d4ec669248c5ac2e8cca

SHA1
7840c07d4d8f75dcd747d96912d2518659c0cd56

SHA256
472e60a2c0f1f41c0e2adf4a849376a09050a035d0f8cb2ca8b0f341daefc4a1

SHA512
e64f3c994282553275bae5c9477eb70ed346bc687ed958dbc64971424b745470c654e6c962b8702e08b86b6385c98469cdbfbd3ea253203b8070802d260568d9

Download Submit
memory/3708-146-0x00000000006E0000-0x000000000075C000-memory.dmp

Filesize
496KB

Download
memory/4568-132-0x00000000008E0000-0x000000000095C000-memory.dmp

Filesize
496KB

Download
memory/4568-136-0x000000000C5C0000-0x000000000C5CA000-memory.dmp

Filesize
40KB

Download
memory/4568-135-0x0000000005870000-0x000000000590C000-memory.dmp

Filesize
624KB

Download
memory/4568-134-0x00000000057D0000-0x0000000005862000-memory.dmp

Filesize
584KB

Download
memory/4568-133-0x0000000005CE0000-0x0000000006284000-memory.dmp

Filesize
5.6MB

Download

Analysis

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