331a562953f7da86fb6fc344a1c27c49051105177f8ff8661058d801d8f12802

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
16-06-2024 02:37

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General

Target

·À½Ù³Ö1.0.exe
Size

48KB
MD5

7f0bf23db6496335d9adf01fb50ec091
SHA1

92ba1a47b40306bf5e4027506c7683ab3577fb73
SHA256

1f2e39728d627019c482b270eabb614d39100ed910797c6884fc405ae6514412
SHA512

f62a8b136cec137784692547bb7259e36592dd474c16914683f872ab30f482d8acf6a2064c996515c1c99b3337c15b4d0c85fe971cd599c8e9aa54b5822f40df
SSDEEP

768:zynb12Aw5J6HC4kq5Jp9bjAzhyY55J+NStcEeUlyqgZl4p67ThPC:Ub1MsHz3JDwhyWr+N95OTga6I

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\Remocte1\Parameters\ServiceDll = "C:\\Users\\Admin\\AppData\\Local\\Temp\\240595562.dll"	·À½Ù³Ö1.0.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\Control Panel\International\Geo\Nation	·À½Ù³Ö1.0.exe

Executes dropped EXE 1 IoCs

pid	Process
1716	Remocte1.exe

Loads dropped DLL 3 IoCs

pid	Process
2884	·À½Ù³Ö1.0.exe
1188	svchost.exe
1716	Remocte1.exe

Creates a Windows Service
persistence

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Remocte1.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remocte1.exe	svchost.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
1412	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2884	·À½Ù³Ö1.0.exe
2884	·À½Ù³Ö1.0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2884	·À½Ù³Ö1.0.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2884	·À½Ù³Ö1.0.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 2672	2884	·À½Ù³Ö1.0.exe	83
PID 2884 wrote to memory of 2672	2884	·À½Ù³Ö1.0.exe	83
PID 2884 wrote to memory of 2672	2884	·À½Ù³Ö1.0.exe	83
PID 2672 wrote to memory of 1412	2672	cmd.exe	85
PID 2672 wrote to memory of 1412	2672	cmd.exe	85
PID 2672 wrote to memory of 1412	2672	cmd.exe	85
PID 1188 wrote to memory of 1716	1188	svchost.exe	89
PID 1188 wrote to memory of 1716	1188	svchost.exe	89
PID 1188 wrote to memory of 1716	1188	svchost.exe	89

C:\Users\Admin\AppData\Local\Temp\·À½Ù³Ö1.0.exe
"C:\Users\Admin\AppData\Local\Temp\·À½Ù³Ö1.0.exe"
1⤵
- Sets DLL path for service in the registry
- Checks computer location settings
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2884
- 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\·À½Ù³Ö1.0.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2672
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 1
    3⤵
    - Runs ping.exe
    PID:1412

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remocte1"
1⤵
PID:2436

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remocte1"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1188
- C:\Windows\SysWOW64\Remocte1.exe
  C:\Windows\system32\Remocte1.exe "c:\users\admin\appdata\local\temp\240595562.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1716

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

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\240595562.dll

Filesize
25KB

MD5
7058a766ab64adf883745d749cd0319f

SHA1
52f41f3df9b376345e669cc445da51e4d0647a17

SHA256
e433fea139b4bc81961a73df3159211c6a20475d798d53bfd3c11b77850caa5b

SHA512
8452538215ad6a6a793fc820be306acb9a0412b63e679375c2f0c56c4ba95a2b45bcc8520bbfeca8b8489c660c5a6a861707dee54104d796a294148e8fc2047c

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C:\Windows\SysWOW64\Remocte1.exe

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit