c5634454eded38fdff4aa2966f68c4a969f705cd9ad266d48e169a12a66f8a77

Analysis

max time kernel
137s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
19-02-2025 06:36

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General

Target

PO-VS037069410113706941011_19_02_25.exe
Size

938KB
MD5

d334528a305db04cd6c086958e317850
SHA1

7edd4e5013e541f81a84a3eb95f63c679c65197b
SHA256

c5634454eded38fdff4aa2966f68c4a969f705cd9ad266d48e169a12a66f8a77
SHA512

d6a9dcbe3f663d851e184e727676fb25ecc4e89c93225a7de282adf28464eb5df6764b720c01ec68177083849e56fde8a610e6fc4fd33396629de14f4204e83f
SSDEEP

6144:TM+EbbrRkif+eH2fES69xx8FZjATa3rcfwXJ8+3NWVQL0S+aNV1M9c0cPiQMWw2D:o+EbbrRBm+89mw1J/aQC2PqGvyrQ

Score

10^/10

discovery persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Local\\hpusrutility.exe,"	reg.exe

Executes dropped EXE 1 IoCs

pid	Process
4532	hpusrutility.exe

System Location Discovery: System Language Discovery 1 TTPs 8 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	PO-VS037069410113706941011_19_02_25.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hpusrutility.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 5 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1788	cmd.exe
928	PING.EXE
1420	cmd.exe
900	PING.EXE
3328	PING.EXE

Runs ping.exe 1 TTPs 3 IoCs

Remote System Discovery

T1018

pid	Process
928	PING.EXE
900	PING.EXE
3328	PING.EXE

Suspicious behavior: EnumeratesProcesses 27 IoCs

pid	Process
3364	PO-VS037069410113706941011_19_02_25.exe
3364	PO-VS037069410113706941011_19_02_25.exe
3364	PO-VS037069410113706941011_19_02_25.exe
3364	PO-VS037069410113706941011_19_02_25.exe
3364	PO-VS037069410113706941011_19_02_25.exe
3364	PO-VS037069410113706941011_19_02_25.exe
3364	PO-VS037069410113706941011_19_02_25.exe
3364	PO-VS037069410113706941011_19_02_25.exe
3364	PO-VS037069410113706941011_19_02_25.exe
3364	PO-VS037069410113706941011_19_02_25.exe
3364	PO-VS037069410113706941011_19_02_25.exe
3364	PO-VS037069410113706941011_19_02_25.exe
3364	PO-VS037069410113706941011_19_02_25.exe
3364	PO-VS037069410113706941011_19_02_25.exe
3364	PO-VS037069410113706941011_19_02_25.exe
3364	PO-VS037069410113706941011_19_02_25.exe
3364	PO-VS037069410113706941011_19_02_25.exe
3364	PO-VS037069410113706941011_19_02_25.exe
3364	PO-VS037069410113706941011_19_02_25.exe
3364	PO-VS037069410113706941011_19_02_25.exe
3364	PO-VS037069410113706941011_19_02_25.exe
3364	PO-VS037069410113706941011_19_02_25.exe
3364	PO-VS037069410113706941011_19_02_25.exe
3364	PO-VS037069410113706941011_19_02_25.exe
4532	hpusrutility.exe
4532	hpusrutility.exe
4532	hpusrutility.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3364	PO-VS037069410113706941011_19_02_25.exe
Token: SeDebugPrivilege	4532	hpusrutility.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3364 wrote to memory of 1788	3364	PO-VS037069410113706941011_19_02_25.exe	86
PID 3364 wrote to memory of 1788	3364	PO-VS037069410113706941011_19_02_25.exe	86
PID 3364 wrote to memory of 1788	3364	PO-VS037069410113706941011_19_02_25.exe	86
PID 1788 wrote to memory of 928	1788	cmd.exe	88
PID 1788 wrote to memory of 928	1788	cmd.exe	88
PID 1788 wrote to memory of 928	1788	cmd.exe	88
PID 3364 wrote to memory of 1420	3364	PO-VS037069410113706941011_19_02_25.exe	91
PID 3364 wrote to memory of 1420	3364	PO-VS037069410113706941011_19_02_25.exe	91
PID 3364 wrote to memory of 1420	3364	PO-VS037069410113706941011_19_02_25.exe	91
PID 1420 wrote to memory of 900	1420	cmd.exe	93
PID 1420 wrote to memory of 900	1420	cmd.exe	93
PID 1420 wrote to memory of 900	1420	cmd.exe	93
PID 1788 wrote to memory of 2368	1788	cmd.exe	94
PID 1788 wrote to memory of 2368	1788	cmd.exe	94
PID 1788 wrote to memory of 2368	1788	cmd.exe	94
PID 1420 wrote to memory of 3328	1420	cmd.exe	96
PID 1420 wrote to memory of 3328	1420	cmd.exe	96
PID 1420 wrote to memory of 3328	1420	cmd.exe	96
PID 1420 wrote to memory of 4532	1420	cmd.exe	97
PID 1420 wrote to memory of 4532	1420	cmd.exe	97
PID 1420 wrote to memory of 4532	1420	cmd.exe	97
PID 4532 wrote to memory of 452	4532	hpusrutility.exe	98
PID 4532 wrote to memory of 452	4532	hpusrutility.exe	98
PID 4532 wrote to memory of 452	4532	hpusrutility.exe	98
PID 4532 wrote to memory of 452	4532	hpusrutility.exe	98
PID 4532 wrote to memory of 452	4532	hpusrutility.exe	98
PID 4532 wrote to memory of 452	4532	hpusrutility.exe	98
PID 4532 wrote to memory of 452	4532	hpusrutility.exe	98
PID 4532 wrote to memory of 452	4532	hpusrutility.exe	98

C:\Users\Admin\AppData\Local\Temp\PO-VS037069410113706941011_19_02_25.exe
"C:\Users\Admin\AppData\Local\Temp\PO-VS037069410113706941011_19_02_25.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3364
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c ping 127.0.0.1 -n 38 > nul && REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Local\hpusrutility.exe,"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1788
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 38
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:928
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Local\hpusrutility.exe,"
    3⤵
    - Modifies WinLogon for persistence
    - System Location Discovery: System Language Discovery
    PID:2368
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c ping 127.0.0.1 -n 38 > nul && copy "C:\Users\Admin\AppData\Local\Temp\PO-VS037069410113706941011_19_02_25.exe" "C:\Users\Admin\AppData\Local\hpusrutility.exe" && ping 127.0.0.1 -n 38 > nul && "C:\Users\Admin\AppData\Local\hpusrutility.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1420
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 38
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:900
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 38
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:3328
- - C:\Users\Admin\AppData\Local\hpusrutility.exe
    "C:\Users\Admin\AppData\Local\hpusrutility.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4532
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      4⤵
      PID:452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\hpusrutility.exe

Filesize
938KB

MD5
d334528a305db04cd6c086958e317850

SHA1
7edd4e5013e541f81a84a3eb95f63c679c65197b

SHA256
c5634454eded38fdff4aa2966f68c4a969f705cd9ad266d48e169a12a66f8a77

SHA512
d6a9dcbe3f663d851e184e727676fb25ecc4e89c93225a7de282adf28464eb5df6764b720c01ec68177083849e56fde8a610e6fc4fd33396629de14f4204e83f

Download Submit
memory/3364-4-0x0000000005EF0000-0x0000000006494000-memory.dmp

Filesize
5.6MB

Download
memory/3364-5-0x0000000005860000-0x00000000058F2000-memory.dmp

Filesize
584KB

Download
memory/3364-9-0x000000007441E000-0x000000007441F000-memory.dmp

Filesize
4KB

Download
memory/3364-0-0x000000007441E000-0x000000007441F000-memory.dmp

Filesize
4KB

Download
memory/3364-10-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/3364-6-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/3364-7-0x0000000005920000-0x000000000592A000-memory.dmp

Filesize
40KB

Download
memory/3364-12-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/3364-3-0x00000000055E0000-0x0000000005606000-memory.dmp

Filesize
152KB

Download
memory/3364-2-0x0000000005690000-0x000000000572C000-memory.dmp

Filesize
624KB

Download
memory/3364-8-0x0000000074410000-0x0000000074BC0000-memory.dmp

Filesize
7.7MB

Download
memory/3364-1-0x0000000000C30000-0x0000000000D1C000-memory.dmp

Filesize
944KB

Download
memory/4532-18-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download
memory/4532-19-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download
memory/4532-20-0x00000000743E0000-0x0000000074B90000-memory.dmp

Filesize
7.7MB

Download
memory/4532-21-0x0000000005980000-0x000000000599A000-memory.dmp

Filesize
104KB

Download
memory/4532-22-0x0000000006060000-0x0000000006066000-memory.dmp

Filesize
24KB

Download