7dfd70d26f9a6bc56292a85d54ecce8db2119a1098b58d31ce3929cf8a8d81ec

Analysis

max time kernel
120s
max time network
150s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 11:47

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General

Target

1be2af9622fee884702deb028fce4462.exe
Size

37KB
MD5

1be2af9622fee884702deb028fce4462
SHA1

7e0c274134fcd4d8d253d74c99ec7c0fb0ae9a20
SHA256

7dfd70d26f9a6bc56292a85d54ecce8db2119a1098b58d31ce3929cf8a8d81ec
SHA512

ab76045beea67d54e4c5ca1c44973e12d658883e02e034140f9bd77776b6a292555eca9a573a3be7e3571f8da676421a02cbc71d487273a8f04394937642f8cf
SSDEEP

768:q9gdbP932YxsI+aY7hhnshh7tQzbBiy5UU3JoXa6Fi90Q/OTi3WqjUv8rjPHV:jbP8xG6piy6U3OXamm3/h3nQGB

Score

7^/10

upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2268	cmd.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2648-0-0x0000000013140000-0x0000000013160000-memory.dmp	upx
behavioral1/memory/2752-1-0x0000000013140000-0x0000000013160000-memory.dmp	upx
behavioral1/memory/2648-2-0x0000000013140000-0x0000000013160000-memory.dmp	upx
behavioral1/memory/2752-10-0x0000000013140000-0x0000000013160000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\winlogon_patchv1.12	1be2af9622fee884702deb028fce4462.exe
File created	C:\Windows\SysWOW64\winlogon_patchv1.12	1be2af9622fee884702deb028fce4462.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\winlogon_patchv1.dll	1be2af9622fee884702deb028fce4462.exe
File created	C:\Windows\winlogon_patchv1.dll	1be2af9622fee884702deb028fce4462.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2752	2648	1be2af9622fee884702deb028fce4462.exe	28
PID 2648 wrote to memory of 2752	2648	1be2af9622fee884702deb028fce4462.exe	28
PID 2648 wrote to memory of 2752	2648	1be2af9622fee884702deb028fce4462.exe	28
PID 2648 wrote to memory of 2752	2648	1be2af9622fee884702deb028fce4462.exe	28
PID 2752 wrote to memory of 1236	2752	1be2af9622fee884702deb028fce4462.exe	10
PID 2752 wrote to memory of 2268	2752	1be2af9622fee884702deb028fce4462.exe	29
PID 2752 wrote to memory of 2268	2752	1be2af9622fee884702deb028fce4462.exe	29
PID 2752 wrote to memory of 2268	2752	1be2af9622fee884702deb028fce4462.exe	29
PID 2752 wrote to memory of 2268	2752	1be2af9622fee884702deb028fce4462.exe	29

C:\Users\Admin\AppData\Local\Temp\1be2af9622fee884702deb028fce4462.exe
"C:\Users\Admin\AppData\Local\Temp\1be2af9622fee884702deb028fce4462.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Users\Admin\AppData\Local\Temp\1be2af9622fee884702deb028fce4462.exe
  C:\Users\Admin\AppData\Local\Temp\1be2af9622fee884702deb028fce4462.exe b
  2⤵
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:2752
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\1be2af9622fee884702deb028fce4462.exe b
    3⤵
    - Deletes itself
    PID:2268

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1236

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1236-9-0x0000000002AD0000-0x0000000002AD1000-memory.dmp

Filesize
4KB

Download
memory/2648-0-0x0000000013140000-0x0000000013160000-memory.dmp

Filesize
128KB

Download
memory/2648-2-0x0000000013140000-0x0000000013160000-memory.dmp

Filesize
128KB

Download
memory/2752-1-0x0000000013140000-0x0000000013160000-memory.dmp

Filesize
128KB

Download
memory/2752-10-0x0000000013140000-0x0000000013160000-memory.dmp

Filesize
128KB

Download