331a562953f7da86fb6fc344a1c27c49051105177f8ff8661058d801d8f12802

Analysis

max time kernel
140s
max time network
148s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
16/06/2024, 02:37

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General

Target
360setr.exe
Size 48KB
Sample240616-c4lxaawdpg
SHA256 acee72d648216217f6208a6d648767f06252a72aa3a8f4bf88de049eecb27c23
MD5 483fe860119307c2f9e2f7ed4caadc81
SHA1 b5fa21f06419e585cb9faa7227f1931a8521ca5f
SHA512 4590310719d9a253e71dcb46775029d1213c87f21d6d002ec78584cc5eece9fdf169af174ae287a9328c81c1699927b552fdb1b4b8d1b59f706511ae48b142c7
SSDEEP 768:zynb12Aw5J6HC4kq5Jp9bjAzhyY55J+NStcEeUlyqgZl4p67dhPC:Ub1MsHz3JDwhyWr+N95OTga6u
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

persistence

Malware Config

Signatures

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remoctds\Parameters\ServiceDll = "C:\\Program Files (x86)\\Google\\240599546.dll"	360setr.exe

Executes dropped EXE 1 IoCs

pid	Process
4912	Remoctds.exe

Loads dropped DLL 3 IoCs

pid	Process
1352	360setr.exe
3324	svchost.exe
4912	Remoctds.exe

Creates a Windows Service
persistence

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Remoctds.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remoctds.exe	svchost.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Google\240599546.dll	360setr.exe

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3508	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1352	360setr.exe
1352	360setr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1352	360setr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1352	360setr.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1352 wrote to memory of 1052	1352	360setr.exe	80
PID 1352 wrote to memory of 1052	1352	360setr.exe	80
PID 1352 wrote to memory of 1052	1352	360setr.exe	80
PID 1052 wrote to memory of 3508	1052	cmd.exe	82
PID 1052 wrote to memory of 3508	1052	cmd.exe	82
PID 1052 wrote to memory of 3508	1052	cmd.exe	82
PID 3324 wrote to memory of 4912	3324	svchost.exe	83
PID 3324 wrote to memory of 4912	3324	svchost.exe	83
PID 3324 wrote to memory of 4912	3324	svchost.exe	83

C:\Users\Admin\AppData\Local\Temp\360setr.exe
"C:\Users\Admin\AppData\Local\Temp\360setr.exe"
1⤵
- Sets DLL path for service in the registry
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1352
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\360setr.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1052
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 1
    3⤵
    - Runs ping.exe
    PID:3508

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remoctds"
1⤵
PID:2340

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remoctds"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3324
- C:\Windows\SysWOW64\Remoctds.exe
  C:\Windows\system32\Remoctds.exe "c:\program files (x86)\google\240599546.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:4912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

240599546.dll

Path C:\Program Files (x86)\Google\240599546.dll
Size 25KB
SHA256 2b84c060fe74510892e1f42f3fb759468cfe4b847b4ca3d6f01d292661ca8297
MD5 29735051033ee32bad62253a15518418
SHA1 631fbe5f2b84535625b6673de4103fa1134f32b2
SHA512 aa0f8f32ef13568cbb6f3fb80626a30cec2d88fae32c3a36b9f4ead3739cb51c3772dc8dbfde00a6e094c7b9a5ef5ac9b82790edffd842f60f52c3fb3e020d39
SSDEEP 384:8T9IWqIwt10zr6lXYhCRdkyurLmC2S1xJrQcWrH/RUAMO0MY0holUxHdjq4tKDES:8ht+Izr6pqRrLuS1vzWpaGZHdJYDG
MD5 SHA1 SHA512 SSDEEP

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Remoctds.exe

Path C:\Windows\SysWOW64\Remoctds.exe
Size 40KB
SHA256 8dcaeeebef9b9f3d41d295db145ffb3850f309d089c08125c7fa7034db5fd80e
MD5 22bb5bd901d8b25ac5b41edbb7d5053e
SHA1 8a935dd8d7e104fc553ff7e8b54a404f7b079334
SHA512 cc3fb68fd6791a08e4a7d1a8db8d07cfcc8c9b9dceec10b53f0cb7ee86473303a19be4f23e379f84c59e02d0568e7c066e21cd1300f6032dac4ba52f609f62e7
SSDEEP 768:C67uhQpPPp0nnqFk509FRdVcQX6N58hJYim1jLP3RRe:C67uhQpXp0nnqa5093jKNAmB3RR
MD5 SHA1 SHA512 SSDEEP

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