7ed6a448d0dfb0257f4edb80393d25c771302157280d5895ed5df7b7584709ae

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
18/01/2024, 02:04

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General

Target

643201ca1a12ab1b96b3ad5ed440f3cb.exe
Size

76KB
MD5

643201ca1a12ab1b96b3ad5ed440f3cb
SHA1

01063eed5ba44818f19dd4dcd2422537a1d4c25c
SHA256

7ed6a448d0dfb0257f4edb80393d25c771302157280d5895ed5df7b7584709ae
SHA512

da77979b53245a47286133a3adb1d5ecbdcb4364e612411de9847660adbb6319f172d9a97f4ac309637c22cc480211f3b6928669eb31146221671c7c32cae59e
SSDEEP

768:AItfy70OJGRJxwLoImIvKRx+MhvxUImcYaq1cwganRMTQYsl0uJGLJxsLoI:ZI0OJ3PKyMXucYDcGRMTlsl0uJJ

Score

8^/10

aspackv2 persistence

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	643201ca1a12ab1b96b3ad5ed440f3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Windows Reg Services = "C:\\Windows\\system32\\ffservice.exe"	643201ca1a12ab1b96b3ad5ed440f3cb.exe

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{a75aed00-d7bf-11d1-9947-00c0Cf98bbc9}	643201ca1a12ab1b96b3ad5ed440f3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{a75aed00-d7bf-11d1-9947-00c0Cf98bbc9}\StubPath = "C:\\Windows\\system32\\lservice.exe"	643201ca1a12ab1b96b3ad5ed440f3cb.exe

ASPack v2.12-2.42 5 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/memory/3016-0-0x0000000000400000-0x0000000000413000-memory.dmp	aspack_v212_v242
behavioral2/memory/3064-13-0x0000000000400000-0x0000000000413000-memory.dmp	aspack_v212_v242
behavioral2/files/0x000500000001e630-12.dat	aspack_v212_v242
behavioral2/memory/3016-14-0x0000000000400000-0x0000000000413000-memory.dmp	aspack_v212_v242
behavioral2/memory/3064-15-0x0000000000400000-0x0000000000413000-memory.dmp	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
3064	wservice.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Reg Services = "C:\\Windows\\system32\\ffservice.exe"	643201ca1a12ab1b96b3ad5ed440f3cb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Reg Services = "C:\\Windows\\system32\\ffservice.exe"	643201ca1a12ab1b96b3ad5ed440f3cb.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\wservice.exe	643201ca1a12ab1b96b3ad5ed440f3cb.exe
File opened for modification	C:\Windows\SysWOW64\wservice.exe	643201ca1a12ab1b96b3ad5ed440f3cb.exe
File created	C:\Windows\SysWOW64\lservice.exe	643201ca1a12ab1b96b3ad5ed440f3cb.exe
File opened for modification	C:\Windows\SysWOW64\lservice.exe	643201ca1a12ab1b96b3ad5ed440f3cb.exe
File created	C:\Windows\SysWOW64\ffservice.exe	643201ca1a12ab1b96b3ad5ed440f3cb.exe
File opened for modification	C:\Windows\SysWOW64\ffservice.exe	643201ca1a12ab1b96b3ad5ed440f3cb.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3016	643201ca1a12ab1b96b3ad5ed440f3cb.exe
3016	643201ca1a12ab1b96b3ad5ed440f3cb.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 3064	3016	643201ca1a12ab1b96b3ad5ed440f3cb.exe	88
PID 3016 wrote to memory of 3064	3016	643201ca1a12ab1b96b3ad5ed440f3cb.exe	88
PID 3016 wrote to memory of 3064	3016	643201ca1a12ab1b96b3ad5ed440f3cb.exe	88

C:\Users\Admin\AppData\Local\Temp\643201ca1a12ab1b96b3ad5ed440f3cb.exe
"C:\Users\Admin\AppData\Local\Temp\643201ca1a12ab1b96b3ad5ed440f3cb.exe"
1⤵
- Adds policy Run key to start application
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Windows\SysWOW64\wservice.exe
  C:\Windows\system32\wservice.exe -s
  2⤵
  - Executes dropped EXE
  PID:3064

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\wservice.exe

Filesize
76KB

MD5
643201ca1a12ab1b96b3ad5ed440f3cb

SHA1
01063eed5ba44818f19dd4dcd2422537a1d4c25c

SHA256
7ed6a448d0dfb0257f4edb80393d25c771302157280d5895ed5df7b7584709ae

SHA512
da77979b53245a47286133a3adb1d5ecbdcb4364e612411de9847660adbb6319f172d9a97f4ac309637c22cc480211f3b6928669eb31146221671c7c32cae59e

Download Submit
memory/3016-0-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3016-14-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3064-13-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/3064-15-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download