5f84626e7e1287f88edad1ff303ad65fb39bbc710a0cda8f5e5d6e3c7e883851

General

Target

Visual.ps1
Size

4KB
MD5

0ceeb6420f475c07ac5f4b4783855400
SHA1

3099ac814fff227f8d5029859dfd66dbd6caa6bb
SHA256

5f84626e7e1287f88edad1ff303ad65fb39bbc710a0cda8f5e5d6e3c7e883851
SHA512

16cde67018b3c9acbc698218c704023480a4a0f93bcdcd0fee6aca67819f39466019cec1c16cb9150983cfec45ad109417c66e55c1746f49e559dab19a43d686
SSDEEP

96:W7aa/WFrQxrzcZVxmKdSt4V2X4tStpr4Rk0QPRav:W//srQx/cZVxmKdG4V2XmGprAzQ5k

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
3	4952	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
4324	powershell.exe
4952	powershell.exe

Downloads MZ/PE file

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4952 set thread context of 1060	4952	powershell.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 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	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4952	powershell.exe
4952	powershell.exe
4324	powershell.exe
4324	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4952	powershell.exe
Token: SeDebugPrivilege	1060	RegAsm.exe
Token: SeDebugPrivilege	4324	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4952 wrote to memory of 1060	4952	powershell.exe	83
PID 4952 wrote to memory of 1060	4952	powershell.exe	83
PID 4952 wrote to memory of 1060	4952	powershell.exe	83
PID 4952 wrote to memory of 1060	4952	powershell.exe	83
PID 4952 wrote to memory of 1060	4952	powershell.exe	83
PID 4952 wrote to memory of 1060	4952	powershell.exe	83
PID 4952 wrote to memory of 1060	4952	powershell.exe	83
PID 4952 wrote to memory of 1060	4952	powershell.exe	83
PID 1060 wrote to memory of 4324	1060	RegAsm.exe	84
PID 1060 wrote to memory of 4324	1060	RegAsm.exe	84
PID 1060 wrote to memory of 4324	1060	RegAsm.exe	84

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\Visual.ps1
1⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4952
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1060
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\SubDir'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
a2b24af1492f112d2e53cb7415fda39f

SHA1
dbfcee57242a14b60997bd03379cc60198976d85

SHA256
fa05674c1db3386cf01ba1db5a3e9aeb97e15d1720d82988f573bf9743adc073

SHA512
9919077b8e5c7a955682e9a83f6d7ab34ac6a10a3d65af172734d753a48f7604a95739933b8680289c94b4e271b27c775d015b8d9678db277f498d8450b8aff0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ta2oucab.voc.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1060-18-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

Filesize
4KB

Download
memory/1060-14-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1060-64-0x0000000074D2E000-0x0000000074D2F000-memory.dmp

Filesize
4KB

Download
memory/4324-38-0x0000000006400000-0x000000000644C000-memory.dmp

Filesize
304KB

Download
memory/4324-53-0x0000000007700000-0x000000000771A000-memory.dmp

Filesize
104KB

Download
memory/4324-63-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/4324-60-0x0000000007A20000-0x0000000007A28000-memory.dmp

Filesize
32KB

Download
memory/4324-19-0x0000000002AA0000-0x0000000002AD6000-memory.dmp

Filesize
216KB

Download
memory/4324-20-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/4324-21-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/4324-22-0x0000000005660000-0x0000000005C88000-memory.dmp

Filesize
6.2MB

Download
memory/4324-23-0x0000000005410000-0x0000000005432000-memory.dmp

Filesize
136KB

Download
memory/4324-33-0x0000000005F80000-0x0000000005FE6000-memory.dmp

Filesize
408KB

Download
memory/4324-34-0x0000000005E30000-0x0000000005E96000-memory.dmp

Filesize
408KB

Download
memory/4324-59-0x0000000007A40000-0x0000000007A5A000-memory.dmp

Filesize
104KB

Download
memory/4324-36-0x0000000005FF0000-0x0000000006344000-memory.dmp

Filesize
3.3MB

Download
memory/4324-58-0x0000000007940000-0x0000000007954000-memory.dmp

Filesize
80KB

Download
memory/4324-57-0x0000000007930000-0x000000000793E000-memory.dmp

Filesize
56KB

Download
memory/4324-39-0x00000000073B0000-0x00000000073E2000-memory.dmp

Filesize
200KB

Download
memory/4324-55-0x0000000007980000-0x0000000007A16000-memory.dmp

Filesize
600KB

Download
memory/4324-50-0x00000000069C0000-0x00000000069DE000-memory.dmp

Filesize
120KB

Download
memory/4324-51-0x00000000073F0000-0x0000000007493000-memory.dmp

Filesize
652KB

Download
memory/4324-52-0x0000000007D40000-0x00000000083BA000-memory.dmp

Filesize
6.5MB

Download
memory/4324-37-0x00000000063D0000-0x00000000063EE000-memory.dmp

Filesize
120KB

Download
memory/4324-54-0x0000000007770000-0x000000000777A000-memory.dmp

Filesize
40KB

Download
memory/4324-40-0x0000000070B20000-0x0000000070B6C000-memory.dmp

Filesize
304KB

Download
memory/4324-56-0x0000000007900000-0x0000000007911000-memory.dmp

Filesize
68KB

Download
memory/4952-13-0x000002A850300000-0x000002A85030A000-memory.dmp

Filesize
40KB

Download
memory/4952-11-0x00007FFA6BAC0000-0x00007FFA6C581000-memory.dmp

Filesize
10.8MB

Download
memory/4952-6-0x000002A837E60000-0x000002A837E82000-memory.dmp

Filesize
136KB

Download
memory/4952-0-0x00007FFA6BAC3000-0x00007FFA6BAC5000-memory.dmp

Filesize
8KB

Download
memory/4952-17-0x00007FFA6BAC0000-0x00007FFA6C581000-memory.dmp

Filesize
10.8MB

Download
memory/4952-12-0x00007FFA6BAC0000-0x00007FFA6C581000-memory.dmp

Filesize
10.8MB

Download

Analysis

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