a228df5184a2c1a2864e8e7872c2ab98718a287ffea2d6c2c4dd65ba85752692

General

Target

163.exe
Size

1.6MB
MD5

c5d0790f653d7922b4723bdd6737f3a7
SHA1

742bd1aea5c374b792649217d8a79a8191de2091
SHA256

a228df5184a2c1a2864e8e7872c2ab98718a287ffea2d6c2c4dd65ba85752692
SHA512

6fe68830d7159351daf9573244b3713c18f20a7b3dccb3a4ac484161dffac6c69e37649b553a5ec6abdd08153df6be53501b37e3c1a4c9028013c58b9e64ae42
SSDEEP

24576:9nsJ39LyjbJkQFMhmC+6GD9m2ZcyAhzf5dan9Mgifjv4oNfJHy:9nsHyjtk2MYC5GDDg5NgiLPZJS

Score

7^/10

persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	163.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 3 IoCs

pid	Process
664	._cache_163.exe
952	Synaptics.exe
728	._cache_Synaptics.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	163.exe

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

System Information Discovery
T1082

Gathers network information 2 TTPs 2 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2336	NETSTAT.EXE
4884	NETSTAT.EXE

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	163.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2336	NETSTAT.EXE
Token: SeDebugPrivilege	4884	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
664	._cache_163.exe
664	._cache_163.exe
728	._cache_Synaptics.exe
728	._cache_Synaptics.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3356 wrote to memory of 664	3356	163.exe	88
PID 3356 wrote to memory of 664	3356	163.exe	88
PID 3356 wrote to memory of 664	3356	163.exe	88
PID 3356 wrote to memory of 952	3356	163.exe	89
PID 3356 wrote to memory of 952	3356	163.exe	89
PID 3356 wrote to memory of 952	3356	163.exe	89
PID 952 wrote to memory of 728	952	Synaptics.exe	90
PID 952 wrote to memory of 728	952	Synaptics.exe	90
PID 952 wrote to memory of 728	952	Synaptics.exe	90
PID 664 wrote to memory of 3996	664	._cache_163.exe	99
PID 664 wrote to memory of 3996	664	._cache_163.exe	99
PID 664 wrote to memory of 3996	664	._cache_163.exe	99
PID 3996 wrote to memory of 2336	3996	cmd.exe	101
PID 3996 wrote to memory of 2336	3996	cmd.exe	101
PID 3996 wrote to memory of 2336	3996	cmd.exe	101
PID 728 wrote to memory of 4936	728	._cache_Synaptics.exe	102
PID 728 wrote to memory of 4936	728	._cache_Synaptics.exe	102
PID 728 wrote to memory of 4936	728	._cache_Synaptics.exe	102
PID 4936 wrote to memory of 4884	4936	cmd.exe	104
PID 4936 wrote to memory of 4884	4936	cmd.exe	104
PID 4936 wrote to memory of 4884	4936	cmd.exe	104

C:\Users\Admin\AppData\Local\Temp\163.exe
"C:\Users\Admin\AppData\Local\Temp\163.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3356
- C:\Users\Admin\AppData\Local\Temp\._cache_163.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_163.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:664
- - C:\Windows\SysWOW64\cmd.exe
    /c netstat -an
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3996
  - - C:\Windows\SysWOW64\NETSTAT.EXE
      netstat -an
      4⤵
      Gathers network information
      Suspicious use of AdjustPrivilegeToken
      PID:2336
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:952
- - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:728
  - - C:\Windows\SysWOW64\cmd.exe
      /c netstat -an
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4936
    - - C:\Windows\SysWOW64\NETSTAT.EXE
        
        netstat -an
        5⤵
        Gathers network information
        Suspicious use of AdjustPrivilegeToken
        
        PID:4884

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4472,i,6593821857742176458,13646536021844995125,262144 --variations-seed-version --mojo-platform-channel-handle=4200 /prefetch:8
1⤵
PID:1840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Synaptics\Synaptics.exe

Filesize
1.6MB

MD5
c5d0790f653d7922b4723bdd6737f3a7

SHA1
742bd1aea5c374b792649217d8a79a8191de2091

SHA256
a228df5184a2c1a2864e8e7872c2ab98718a287ffea2d6c2c4dd65ba85752692

SHA512
6fe68830d7159351daf9573244b3713c18f20a7b3dccb3a4ac484161dffac6c69e37649b553a5ec6abdd08153df6be53501b37e3c1a4c9028013c58b9e64ae42

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_163.exe

Filesize
872KB

MD5
d58e1c01761c06499e7ce539360a9ec8

SHA1
27cb599880fa47bfae5db8d141fa2bea0f2a0df3

SHA256
5d848ee2b1eaecd92b894352b8ae27844337614f6495ece350fcaf46773fb836

SHA512
3e8da6eb4127966c91967736defd80826ccb1b458714cef118e873caa5cde2893f3b05ae87761beefce20829a36478732ceb7c91d66608e969d8ec9df00668ee

Download Submit
memory/952-129-0x00000000020D0000-0x00000000020D1000-memory.dmp

Filesize
4KB

Download
memory/952-190-0x0000000000400000-0x000000000059C000-memory.dmp

Filesize
1.6MB

Download
memory/952-192-0x00000000020D0000-0x00000000020D1000-memory.dmp

Filesize
4KB

Download
memory/952-209-0x0000000000400000-0x000000000059C000-memory.dmp

Filesize
1.6MB

Download
memory/952-216-0x0000000000400000-0x000000000059C000-memory.dmp

Filesize
1.6MB

Download
memory/3356-0-0x0000000000830000-0x0000000000831000-memory.dmp

Filesize
4KB

Download
memory/3356-128-0x0000000000400000-0x000000000059C000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads