0c4381b016520307be0b41fb9f66baf3187966794a15842838dae0d11a876122

Analysis

max time kernel
104s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08-09-2024 19:36

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General

Target

0c4381b016520307be0b41fb9f66baf3187966794a15842838dae0d11a876122.exe
Size

1.1MB
MD5

4727ee52f847cfcb427ec5ae35a07dc6
SHA1

494200d563d1f477f9da7884c368f64ee7b05ea5
SHA256

0c4381b016520307be0b41fb9f66baf3187966794a15842838dae0d11a876122
SHA512

50bacff8fc89b469843d299adb59f016a21e9a23f090eafb8fa08be250c48ffe4f38bd6391bfeede1ac9195e26e56279ce4d3020ab3713fa2e9fce6f51bdbc15
SSDEEP

24576:CH0dl8myX9Bg42QoXFkrzkmmlSgRDko0lG4Z8r7Qfbkiu5QE:CcaClSFlG4ZM7QzMj

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 3 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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	0c4381b016520307be0b41fb9f66baf3187966794a15842838dae0d11a876122.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	WScript.exe

Deletes itself 1 IoCs

pid	Process
4768	svchcst.exe

Executes dropped EXE 2 IoCs

pid	Process
316	svchcst.exe
4768	svchcst.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchcst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchcst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0c4381b016520307be0b41fb9f66baf3187966794a15842838dae0d11a876122.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	WScript.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	WScript.exe
Key created	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000_Classes\Local Settings	0c4381b016520307be0b41fb9f66baf3187966794a15842838dae0d11a876122.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3728	0c4381b016520307be0b41fb9f66baf3187966794a15842838dae0d11a876122.exe
3728	0c4381b016520307be0b41fb9f66baf3187966794a15842838dae0d11a876122.exe
3728	0c4381b016520307be0b41fb9f66baf3187966794a15842838dae0d11a876122.exe
3728	0c4381b016520307be0b41fb9f66baf3187966794a15842838dae0d11a876122.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe
4768	svchcst.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3728	0c4381b016520307be0b41fb9f66baf3187966794a15842838dae0d11a876122.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3728	0c4381b016520307be0b41fb9f66baf3187966794a15842838dae0d11a876122.exe
3728	0c4381b016520307be0b41fb9f66baf3187966794a15842838dae0d11a876122.exe
4768	svchcst.exe
4768	svchcst.exe
316	svchcst.exe
316	svchcst.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3728 wrote to memory of 1480	3728	0c4381b016520307be0b41fb9f66baf3187966794a15842838dae0d11a876122.exe	86
PID 3728 wrote to memory of 1480	3728	0c4381b016520307be0b41fb9f66baf3187966794a15842838dae0d11a876122.exe	86
PID 3728 wrote to memory of 1480	3728	0c4381b016520307be0b41fb9f66baf3187966794a15842838dae0d11a876122.exe	86
PID 3728 wrote to memory of 3116	3728	0c4381b016520307be0b41fb9f66baf3187966794a15842838dae0d11a876122.exe	87
PID 3728 wrote to memory of 3116	3728	0c4381b016520307be0b41fb9f66baf3187966794a15842838dae0d11a876122.exe	87
PID 3728 wrote to memory of 3116	3728	0c4381b016520307be0b41fb9f66baf3187966794a15842838dae0d11a876122.exe	87
PID 1480 wrote to memory of 4768	1480	WScript.exe	89
PID 1480 wrote to memory of 4768	1480	WScript.exe	89
PID 1480 wrote to memory of 4768	1480	WScript.exe	89
PID 3116 wrote to memory of 316	3116	WScript.exe	90
PID 3116 wrote to memory of 316	3116	WScript.exe	90
PID 3116 wrote to memory of 316	3116	WScript.exe	90

C:\Users\Admin\AppData\Local\Temp\0c4381b016520307be0b41fb9f66baf3187966794a15842838dae0d11a876122.exe
"C:\Users\Admin\AppData\Local\Temp\0c4381b016520307be0b41fb9f66baf3187966794a15842838dae0d11a876122.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3728
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1480
- - C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of SetWindowsHookEx
    PID:4768
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3116
- - C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs

Filesize
753B

MD5
3ee4a2b7949a82f4559296e5d5f14402

SHA1
c4f7e4166d36c9075aac9528df506d319efff5b7

SHA256
0de891696b69aff9d6d9b8eb6cb62651c74ae7f3a3f8c09119844033d61b7c23

SHA512
61a046f3e9d0e03aff10f41ec0db3325013f54b4c7e7d528ca3619d010e131c2dcd7831412d34208fe90b10e2a42b6f1afe856550099b4a63d6930460a1d0b3b

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

Filesize
1.1MB

MD5
39347bdfb006bd10f6fb8e79ff4e5c6a

SHA1
436d0e6e8a7858a8fbbf196ac71a632b1cef9e8c

SHA256
f3d809f708486bff18ef552633ff91d102cf63724f9bec97e8e3dc848623cabe

SHA512
9fb7b00b559512e7119267f7ff459b621ca303faaafe9ac72e0bbf709367cd0adcdeb883686ee3667fdb13be5e97c7572b1db1cc8bd83d44c8bd8c4c9e38e238

Download Submit
memory/3728-10-0x0000000000400000-0x0000000000551000-memory.dmp

Filesize
1.3MB

Download