a01f816685647191a3be7995cf24752c64af700c4bb08f1b0e500e5e8bf9a0d5

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 06:50

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General

Target

1175544db87b63303f1f6e394ba6fd46.exe
Size

31KB
MD5

1175544db87b63303f1f6e394ba6fd46
SHA1

3e58b4dccfe8aa4b67b3e3e356273067267bab3d
SHA256

a01f816685647191a3be7995cf24752c64af700c4bb08f1b0e500e5e8bf9a0d5
SHA512

1185c0cba7e6d77387d37fcf5f993818bbb49101ff8e7314bc13fbdf8a1dd44041ee9f6d5630d22c665315f130a4a29e5d3672fcc6114e895fa551e8b5b36f32
SSDEEP

768:RfeSXJ1TnWX2ZeAf+ZCbZ+V52LoeZBy9QHxnSBw/44N:RfVnWmo7obc2UeZ1RnTP

Score

8^/10

aspackv2 persistence upx

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	win32sp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\11 = "win32sp.exe"	win32sp.exe

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x000a0000000133b1-10.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2344	win32sp.exe

Loads dropped DLL 2 IoCs

pid	Process
1212	1175544db87b63303f1f6e394ba6fd46.exe
1212	1175544db87b63303f1f6e394ba6fd46.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1212-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx
behavioral1/memory/1212-9-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\win32sp.exe	1175544db87b63303f1f6e394ba6fd46.exe
File created	C:\Windows\SysWOW64\win32sp.dll	1175544db87b63303f1f6e394ba6fd46.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2344	win32sp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2344	win32sp.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1212 wrote to memory of 2344	1212	1175544db87b63303f1f6e394ba6fd46.exe	8
PID 1212 wrote to memory of 2344	1212	1175544db87b63303f1f6e394ba6fd46.exe	8
PID 1212 wrote to memory of 2344	1212	1175544db87b63303f1f6e394ba6fd46.exe	8
PID 1212 wrote to memory of 2344	1212	1175544db87b63303f1f6e394ba6fd46.exe	8
PID 2344 wrote to memory of 488	2344	win32sp.exe	22

C:\Users\Admin\AppData\Local\Temp\1175544db87b63303f1f6e394ba6fd46.exe
"C:\Users\Admin\AppData\Local\Temp\1175544db87b63303f1f6e394ba6fd46.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Windows\SysWOW64\win32sp.exe
  C:\Windows\system32\win32sp.exe
  2⤵
  - Adds policy Run key to start application
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2344

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:488

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\win32sp.exe

Filesize
16KB

MD5
d83815368c90aad76f1bec27b9724509

SHA1
71caf9a23f2dd5f9cdc43e6f2f691a15adf244c0

SHA256
d0c33c64a0a0482b32da31af98536fd1683f8f93facf3257d50fb52a2c2ebede

SHA512
f1495a2b858ca67148949007eaae8c7151693447279d31b7804857a970c528f2ba39f09f1d3f2b11205596b88e7c91615150e554870929c204a5ba44795dbfce

Download Submit
memory/488-12-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/1212-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1212-9-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1212-3-0x0000000000020000-0x0000000000029000-memory.dmp

Filesize
36KB

Download
memory/2344-11-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2344-13-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download