29b963d2967085d6fac0e7048834ce02f677845639445b6af519649680e9fac4

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 18:17

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General

Target

fa9d1e3fd2983aca146b2a04ddf6e351.exe
Size

377KB
MD5

fa9d1e3fd2983aca146b2a04ddf6e351
SHA1

cbc7dac0c145927e1b1e8c923e17150ec9ad006c
SHA256

f27c7f9093a377e3c96f108e7b434d6a5b89e52036b86633ea1334dd8f67dfbb
SHA512

fc38c7f1028bbee3eebc883e242366e852a852f459df57e65d48cac38ab6834f9e676160925dc3f30b6b667427ed22b02c0424d193929e3c448d49dbd40a5973
SSDEEP

6144:Lof7DeNUSfGgHCU/2McdfoI/ZX0rYfCzuCCMQZN/OdnFQ8+uXNvxsCtrEKBhn:GYV6MorX7qzuC3QHO9FQgd5sCtJx

Score

5^/10

discovery execution upx

Malware Config

Signatures

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral11/memory/3032-16-0x0000000000340000-0x0000000000429000-memory.dmp	autoit_exe
behavioral11/memory/3032-18-0x0000000000340000-0x0000000000429000-memory.dmp	autoit_exe
behavioral11/memory/3032-24-0x0000000000340000-0x0000000000429000-memory.dmp	autoit_exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral11/memory/3032-0-0x0000000000340000-0x0000000000429000-memory.dmp	upx
behavioral11/memory/3032-16-0x0000000000340000-0x0000000000429000-memory.dmp	upx
behavioral11/memory/3032-18-0x0000000000340000-0x0000000000429000-memory.dmp	upx
behavioral11/memory/3032-24-0x0000000000340000-0x0000000000429000-memory.dmp	upx

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2984	powershell.exe

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fa9d1e3fd2983aca146b2a04ddf6e351.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2984	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2984	powershell.exe

Suspicious use of FindShellTrayWindow 12 IoCs

pid	Process
3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe
3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe
3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe
3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe
3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe
3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe
3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe
3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe
3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe
3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe
3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe
3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe
3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe
3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe
3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe
3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe
3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe
3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe
3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe
3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe
3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe
3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe
3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 2984	3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe	32
PID 3032 wrote to memory of 2984	3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe	32
PID 3032 wrote to memory of 2984	3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe	32
PID 3032 wrote to memory of 2984	3032	fa9d1e3fd2983aca146b2a04ddf6e351.exe	32

C:\Users\Admin\AppData\Local\Temp\fa9d1e3fd2983aca146b2a04ddf6e351.exe
"C:\Users\Admin\AppData\Local\Temp\fa9d1e3fd2983aca146b2a04ddf6e351.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -executionpolicy bypass C:\Users\Admin\AppData\Local\Temp\gJhzOIYxa.ps1
  2⤵
  - Drops file in System32 directory
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2984-17-0x00000000730E1000-0x00000000730E2000-memory.dmp

Filesize
4KB

Download
memory/2984-19-0x00000000730E0000-0x000000007368B000-memory.dmp

Filesize
5.7MB

Download
memory/2984-20-0x00000000730E0000-0x000000007368B000-memory.dmp

Filesize
5.7MB

Download
memory/2984-21-0x00000000730E0000-0x000000007368B000-memory.dmp

Filesize
5.7MB

Download
memory/2984-22-0x00000000730E0000-0x000000007368B000-memory.dmp

Filesize
5.7MB

Download
memory/2984-23-0x00000000730E0000-0x000000007368B000-memory.dmp

Filesize
5.7MB

Download
memory/3032-0-0x0000000000340000-0x0000000000429000-memory.dmp

Filesize
932KB

Download
memory/3032-16-0x0000000000340000-0x0000000000429000-memory.dmp

Filesize
932KB

Download
memory/3032-18-0x0000000000340000-0x0000000000429000-memory.dmp

Filesize
932KB

Download
memory/3032-24-0x0000000000340000-0x0000000000429000-memory.dmp

Filesize
932KB

Download