29b963d2967085d6fac0e7048834ce02f677845639445b6af519649680e9fac4

Analysis

max time kernel
122s
max time network
124s
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

270e9ba7fa51858ba35182e14d0b91c4.exe
Size

377KB
MD5

270e9ba7fa51858ba35182e14d0b91c4
SHA1

5d4778d1af67893d6cf922863c43e9019572d793
SHA256

82f9b9947a9ecb8520eb5ac731918ea2c1b1d9e3b00a1189aff9b1441fa2b72b
SHA512

1c6de95c617d1097b52a8ac904718342605489a9dbffec5857eb0f4a060655e0b1b97d510704da4b5b356811fcb57f77297c56e88cd7b2ed27ae725b5d4c1391
SSDEEP

6144:4of7DeNUSfGgHCU/2McdfoI/ZX0rYfCzuCCMQZN/OdnFQ8+uXNvxsCtrEKykd:jYV6MorX7qzuC3QHO9FQgd5sCtKk

Score

5^/10

discovery execution upx

Malware Config

Signatures

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/2000-17-0x00000000003F0000-0x00000000004D9000-memory.dmp	autoit_exe
behavioral1/memory/2000-16-0x00000000003F0000-0x00000000004D9000-memory.dmp	autoit_exe
behavioral1/memory/2000-24-0x00000000003F0000-0x00000000004D9000-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
behavioral1/memory/2000-0-0x00000000003F0000-0x00000000004D9000-memory.dmp	upx
behavioral1/memory/2000-17-0x00000000003F0000-0x00000000004D9000-memory.dmp	upx
behavioral1/memory/2000-16-0x00000000003F0000-0x00000000004D9000-memory.dmp	upx
behavioral1/memory/2000-24-0x00000000003F0000-0x00000000004D9000-memory.dmp	upx

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2848	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	270e9ba7fa51858ba35182e14d0b91c4.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2848	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2848	powershell.exe

Suspicious use of FindShellTrayWindow 13 IoCs

pid	Process
2000	270e9ba7fa51858ba35182e14d0b91c4.exe
2000	270e9ba7fa51858ba35182e14d0b91c4.exe
2000	270e9ba7fa51858ba35182e14d0b91c4.exe
2000	270e9ba7fa51858ba35182e14d0b91c4.exe
2000	270e9ba7fa51858ba35182e14d0b91c4.exe
2000	270e9ba7fa51858ba35182e14d0b91c4.exe
2000	270e9ba7fa51858ba35182e14d0b91c4.exe
2000	270e9ba7fa51858ba35182e14d0b91c4.exe
2000	270e9ba7fa51858ba35182e14d0b91c4.exe
2000	270e9ba7fa51858ba35182e14d0b91c4.exe
2000	270e9ba7fa51858ba35182e14d0b91c4.exe
2000	270e9ba7fa51858ba35182e14d0b91c4.exe
2000	270e9ba7fa51858ba35182e14d0b91c4.exe

Suspicious use of SendNotifyMessage 13 IoCs

pid	Process
2000	270e9ba7fa51858ba35182e14d0b91c4.exe
2000	270e9ba7fa51858ba35182e14d0b91c4.exe
2000	270e9ba7fa51858ba35182e14d0b91c4.exe
2000	270e9ba7fa51858ba35182e14d0b91c4.exe
2000	270e9ba7fa51858ba35182e14d0b91c4.exe
2000	270e9ba7fa51858ba35182e14d0b91c4.exe
2000	270e9ba7fa51858ba35182e14d0b91c4.exe
2000	270e9ba7fa51858ba35182e14d0b91c4.exe
2000	270e9ba7fa51858ba35182e14d0b91c4.exe
2000	270e9ba7fa51858ba35182e14d0b91c4.exe
2000	270e9ba7fa51858ba35182e14d0b91c4.exe
2000	270e9ba7fa51858ba35182e14d0b91c4.exe
2000	270e9ba7fa51858ba35182e14d0b91c4.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 2848	2000	270e9ba7fa51858ba35182e14d0b91c4.exe	32
PID 2000 wrote to memory of 2848	2000	270e9ba7fa51858ba35182e14d0b91c4.exe	32
PID 2000 wrote to memory of 2848	2000	270e9ba7fa51858ba35182e14d0b91c4.exe	32
PID 2000 wrote to memory of 2848	2000	270e9ba7fa51858ba35182e14d0b91c4.exe	32

C:\Users\Admin\AppData\Local\Temp\270e9ba7fa51858ba35182e14d0b91c4.exe
"C:\Users\Admin\AppData\Local\Temp\270e9ba7fa51858ba35182e14d0b91c4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell -executionpolicy bypass C:\Users\Admin\AppData\Local\Temp\ilxCFZuAU.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:2848

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/2000-0-0x00000000003F0000-0x00000000004D9000-memory.dmp

Filesize
932KB

Download
memory/2000-17-0x00000000003F0000-0x00000000004D9000-memory.dmp

Filesize
932KB

Download
memory/2000-16-0x00000000003F0000-0x00000000004D9000-memory.dmp

Filesize
932KB

Download
memory/2000-24-0x00000000003F0000-0x00000000004D9000-memory.dmp

Filesize
932KB

Download
memory/2848-18-0x0000000072DE1000-0x0000000072DE2000-memory.dmp

Filesize
4KB

Download
memory/2848-19-0x0000000072DE0000-0x000000007338B000-memory.dmp

Filesize
5.7MB

Download
memory/2848-20-0x0000000072DE0000-0x000000007338B000-memory.dmp

Filesize
5.7MB

Download
memory/2848-21-0x0000000072DE0000-0x000000007338B000-memory.dmp

Filesize
5.7MB

Download
memory/2848-22-0x0000000072DE0000-0x000000007338B000-memory.dmp

Filesize
5.7MB

Download
memory/2848-23-0x0000000072DE0000-0x000000007338B000-memory.dmp

Filesize
5.7MB

Download