ffd8b2b01102c4accc78dc6fea204f487b71f2eb6023651fa80fc42bdcb906fc

Analysis

max time kernel
149s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
22/03/2026, 11:05

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General

Target
NewClient.exe
Size 65KB
Sample260322-m622dsa151
SHA256 ffd8b2b01102c4accc78dc6fea204f487b71f2eb6023651fa80fc42bdcb906fc
MD5 01c38eb7f66b7c99fbf0a89d52ff1e9c
SHA1 4728c834c541ba951f5c60b61024ccbd12653b76
SHA512 67b7c933a8a4def7133d0554512afbc87d2f93a6f002127deb37ee144c6b0c100c0e83559a90846612185b9f023bb9bfa950f923c15a524266b93bf9b2d27f5b
SSDEEP 1536:+ZqU4UoN36tCQviFw1c25y+BnvbYfLteF3nLrB9z3npaF9bHS9vM:+cU4UoN36tCQviFCl7BnUfWl9z5aF9bL
TLSH
T17F634B4877958A15D2BD2E7844F256518730F60B6D03FB2E48D160FAABB3FC44A42BE7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery execution persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 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-1-5-21-2714754311-527593155-1440850301-1000\Control Panel\International\Geo\Nation	NewClient.exe

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system32.exe	system32.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system32.exe	system32.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\system32.url	system32.exe

Executes dropped EXE 4 IoCs

pid	Process
4664	system32.exe
1056	system32.exe
2264	system32.exe
2400	system32.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-1-5-21-2714754311-527593155-1440850301-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\system32.exe = "\"C:\\ProgramData\\system32.exe\" .."	system32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\system32.exe = "\"C:\\ProgramData\\system32.exe\" .."	system32.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 11 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	choice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NewClient.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system32.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2308	PING.EXE
4588	cmd.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2308	PING.EXE

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2512	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe
4664	system32.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	4664	system32.exe
Token: 33	4664	system32.exe
Token: SeIncBasePriorityPrivilege	4664	system32.exe
Token: 33	4664	system32.exe
Token: SeIncBasePriorityPrivilege	4664	system32.exe
Token: 33	4664	system32.exe
Token: SeIncBasePriorityPrivilege	4664	system32.exe
Token: 33	4664	system32.exe
Token: SeIncBasePriorityPrivilege	4664	system32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 4664	3048	NewClient.exe	88
PID 3048 wrote to memory of 3876	3048	NewClient.exe	89
PID 3876 wrote to memory of 1128	3876	cmd.exe	91
PID 4664 wrote to memory of 2128	4664	system32.exe	96
PID 4664 wrote to memory of 2512	4664	system32.exe	98
PID 4664 wrote to memory of 4588	4664	system32.exe	105
PID 4588 wrote to memory of 2308	4588	cmd.exe	107

C:\Users\Admin\AppData\Local\Temp\NewClient.exe
"C:\Users\Admin\AppData\Local\Temp\NewClient.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3048
- C:\ProgramData\system32.exe
  "C:\ProgramData\system32.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4664
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /delete /tn "System32" /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2128
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "System32" /tr C:\ProgramData\system32.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2512
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c ping 0 -n 2 & del "C:\ProgramData\system32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:4588
  - - C:\Windows\SysWOW64\PING.EXE
      ping 0 -n 2
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2308
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 5 & Del "C:\Users\Admin\AppData\Local\Temp\NewClient.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3876
- - C:\Windows\SysWOW64\choice.exe
    choice /C Y /N /D Y /T 5
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1128

C:\ProgramData\system32.exe
"C:\ProgramData\system32.exe" ..
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1056

C:\ProgramData\system32.exe
C:\ProgramData\system32.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2264

C:\ProgramData\system32.exe
C:\ProgramData\system32.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2400

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

system32.exe

Path C:\ProgramData\system32.exe
Size 65KB
SHA256 ffd8b2b01102c4accc78dc6fea204f487b71f2eb6023651fa80fc42bdcb906fc
MD5 01c38eb7f66b7c99fbf0a89d52ff1e9c
SHA1 4728c834c541ba951f5c60b61024ccbd12653b76
SHA512 67b7c933a8a4def7133d0554512afbc87d2f93a6f002127deb37ee144c6b0c100c0e83559a90846612185b9f023bb9bfa950f923c15a524266b93bf9b2d27f5b
SSDEEP 1536:+ZqU4UoN36tCQviFw1c25y+BnvbYfLteF3nLrB9z3npaF9bHS9vM:+cU4UoN36tCQviFCl7BnUfWl9z5aF9bL
TLSH
T17F634B4877958A15D2BD2E7844F256518730F60B6D03FB2E48D160FAABB3FC44A42BE7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

system32.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\system32.exe.log
Size 319B
SHA256 7341a4a13e81cbb5b7f39ec47bb45f84836b08b8d8e3ea231d2c7dad982094f7
MD5 da4fafeffe21b7cb3a8c170ca7911976
SHA1 50ef77e2451ab60f93f4db88325b897d215be5ad
SHA512 0bc24b69460f31a0ebc0628b99908d818ee85feb7e4b663271d9375b30cced0cd55a0bbf8edff1281a4c886ddf4476ffc989c283069cdcb1235ffcb265580fc6
TLSH
T1EEE07230373284E408203A1008027FDA55FF43576768EE2C1619539EE82A0A7EF102E3
MD5 SHA1 SHA512 TLSH

Submit Download

memory/1056-23-0x0000000074C70000-0x0000000075221000-memory.dmp

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memory/1056-17-0x0000000074C70000-0x0000000075221000-memory.dmp

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memory/1056-18-0x0000000074C70000-0x0000000075221000-memory.dmp

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memory/3048-0-0x0000000001570000-0x0000000001580000-memory.dmp

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memory/3048-1-0x0000000074C72000-0x0000000074C74000-memory.dmp

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memory/4664-11-0x0000000074C70000-0x0000000075221000-memory.dmp

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memory/4664-12-0x0000000074C70000-0x0000000075221000-memory.dmp

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memory/4664-19-0x0000000074C70000-0x0000000075221000-memory.dmp

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memory/4664-21-0x0000000006630000-0x00000000066AE000-memory.dmp

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memory/4664-29-0x0000000006630000-0x00000000066AE000-memory.dmp

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memory/4664-30-0x0000000074C70000-0x0000000075221000-memory.dmp

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