29b963d2967085d6fac0e7048834ce02f677845639445b6af519649680e9fac4

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 18:17

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General

Target

6f09c7f423232ef509f90e66b1146a50.exe
Size

377KB
MD5

6f09c7f423232ef509f90e66b1146a50
SHA1

bea14870eb44669c73ba5fe75c6ec2657654daeb
SHA256

fbad6defdda31579e98bbb4f27193891ad8b5d13e32a75dcc4d2666f2c3a5843
SHA512

f16479c779a659f2f3729ec6e37058843cc50629b2fe8696d86141dc48d3d035b8d1fc6dcda330cc6bd7d1daeeca9ecb6854459402227484e361b8b0cf31b159
SSDEEP

6144:Lof7DeNUSfGgHCU/2McdfoI/ZX0rYfCzuCCMQZN/OdnFQ8+uXNvxsCtrEKRKY:GYV6MorX7qzuC3QHO9FQgd5sCtpH

Score

5^/10

discovery execution upx

Malware Config

Signatures

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral5/memory/2272-16-0x00000000001E0000-0x00000000002C9000-memory.dmp	autoit_exe
behavioral5/memory/2272-21-0x00000000001E0000-0x00000000002C9000-memory.dmp	autoit_exe
behavioral5/memory/2272-24-0x00000000001E0000-0x00000000002C9000-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
behavioral5/memory/2272-0-0x00000000001E0000-0x00000000002C9000-memory.dmp	upx
behavioral5/memory/2272-16-0x00000000001E0000-0x00000000002C9000-memory.dmp	upx
behavioral5/memory/2272-21-0x00000000001E0000-0x00000000002C9000-memory.dmp	upx
behavioral5/memory/2272-24-0x00000000001E0000-0x00000000002C9000-memory.dmp	upx

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2760	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	6f09c7f423232ef509f90e66b1146a50.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2760	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	powershell.exe

Suspicious use of FindShellTrayWindow 13 IoCs

pid	Process
2272	6f09c7f423232ef509f90e66b1146a50.exe
2272	6f09c7f423232ef509f90e66b1146a50.exe
2272	6f09c7f423232ef509f90e66b1146a50.exe
2272	6f09c7f423232ef509f90e66b1146a50.exe
2272	6f09c7f423232ef509f90e66b1146a50.exe
2272	6f09c7f423232ef509f90e66b1146a50.exe
2272	6f09c7f423232ef509f90e66b1146a50.exe
2272	6f09c7f423232ef509f90e66b1146a50.exe
2272	6f09c7f423232ef509f90e66b1146a50.exe
2272	6f09c7f423232ef509f90e66b1146a50.exe
2272	6f09c7f423232ef509f90e66b1146a50.exe
2272	6f09c7f423232ef509f90e66b1146a50.exe
2272	6f09c7f423232ef509f90e66b1146a50.exe

Suspicious use of SendNotifyMessage 13 IoCs

pid	Process
2272	6f09c7f423232ef509f90e66b1146a50.exe
2272	6f09c7f423232ef509f90e66b1146a50.exe
2272	6f09c7f423232ef509f90e66b1146a50.exe
2272	6f09c7f423232ef509f90e66b1146a50.exe
2272	6f09c7f423232ef509f90e66b1146a50.exe
2272	6f09c7f423232ef509f90e66b1146a50.exe
2272	6f09c7f423232ef509f90e66b1146a50.exe
2272	6f09c7f423232ef509f90e66b1146a50.exe
2272	6f09c7f423232ef509f90e66b1146a50.exe
2272	6f09c7f423232ef509f90e66b1146a50.exe
2272	6f09c7f423232ef509f90e66b1146a50.exe
2272	6f09c7f423232ef509f90e66b1146a50.exe
2272	6f09c7f423232ef509f90e66b1146a50.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 2760	2272	6f09c7f423232ef509f90e66b1146a50.exe	31
PID 2272 wrote to memory of 2760	2272	6f09c7f423232ef509f90e66b1146a50.exe	31
PID 2272 wrote to memory of 2760	2272	6f09c7f423232ef509f90e66b1146a50.exe	31
PID 2272 wrote to memory of 2760	2272	6f09c7f423232ef509f90e66b1146a50.exe	31

C:\Users\Admin\AppData\Local\Temp\6f09c7f423232ef509f90e66b1146a50.exe
"C:\Users\Admin\AppData\Local\Temp\6f09c7f423232ef509f90e66b1146a50.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -executionpolicy bypass C:\Users\Admin\AppData\Local\Temp\CHymfGLIN.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:2760

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/2272-0-0x00000000001E0000-0x00000000002C9000-memory.dmp

Filesize
932KB

Download
memory/2272-16-0x00000000001E0000-0x00000000002C9000-memory.dmp

Filesize
932KB

Download
memory/2272-21-0x00000000001E0000-0x00000000002C9000-memory.dmp

Filesize
932KB

Download
memory/2272-24-0x00000000001E0000-0x00000000002C9000-memory.dmp

Filesize
932KB

Download
memory/2760-17-0x0000000073921000-0x0000000073922000-memory.dmp

Filesize
4KB

Download
memory/2760-18-0x0000000073920000-0x0000000073ECB000-memory.dmp

Filesize
5.7MB

Download
memory/2760-19-0x0000000073920000-0x0000000073ECB000-memory.dmp

Filesize
5.7MB

Download
memory/2760-20-0x0000000073920000-0x0000000073ECB000-memory.dmp

Filesize
5.7MB

Download
memory/2760-22-0x0000000073920000-0x0000000073ECB000-memory.dmp

Filesize
5.7MB

Download
memory/2760-23-0x0000000073920000-0x0000000073ECB000-memory.dmp

Filesize
5.7MB

Download