d4423635ad41c429b7908098ff2cfc3784ffec2bfd64ca9ae45ce7e8ca3f396c

Analysis

max time kernel
119s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2024 05:11

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General

Target

d4423635ad41c429b7908098ff2cfc3784ffec2bfd64ca9ae45ce7e8ca3f396cN.exe
Size

73KB
MD5

659e67f12587172d9ada26935f25a0d0
SHA1

1fe76da9b1b4faac3b10b6a66b9720fbd896d415
SHA256

d4423635ad41c429b7908098ff2cfc3784ffec2bfd64ca9ae45ce7e8ca3f396c
SHA512

71ad510d424476876ad01c83d2257a6f0b1e8eb8e93a9a1736a22207df866c3ee56c0f1a042958fbd1f96b01eb0c253e59982cb9aeb151b40f5d0747ab1381c7
SSDEEP

1536:lAo0ej2d6rnJwwvlKlIUBP6vghzwYu7vih9GueIh9j2IoHAcBHUIFvSHbhhH/HQf:lAo1lOwvlKlXBP6vghzwYu7vih9GueI8

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
5040	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
5040	microsofthelp.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\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	d4423635ad41c429b7908098ff2cfc3784ffec2bfd64ca9ae45ce7e8ca3f396cN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	d4423635ad41c429b7908098ff2cfc3784ffec2bfd64ca9ae45ce7e8ca3f396cN.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d4423635ad41c429b7908098ff2cfc3784ffec2bfd64ca9ae45ce7e8ca3f396cN.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 852 wrote to memory of 5040	852	d4423635ad41c429b7908098ff2cfc3784ffec2bfd64ca9ae45ce7e8ca3f396cN.exe	82
PID 852 wrote to memory of 5040	852	d4423635ad41c429b7908098ff2cfc3784ffec2bfd64ca9ae45ce7e8ca3f396cN.exe	82
PID 852 wrote to memory of 5040	852	d4423635ad41c429b7908098ff2cfc3784ffec2bfd64ca9ae45ce7e8ca3f396cN.exe	82

C:\Users\Admin\AppData\Local\Temp\d4423635ad41c429b7908098ff2cfc3784ffec2bfd64ca9ae45ce7e8ca3f396cN.exe
"C:\Users\Admin\AppData\Local\Temp\d4423635ad41c429b7908098ff2cfc3784ffec2bfd64ca9ae45ce7e8ca3f396cN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:852
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:5040

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\microsofthelp.exe

Filesize
73KB

MD5
5c9851712303991bf6d0a9a28de71004

SHA1
dc41a8155b4a61ed49688096e21fa438a056b518

SHA256
4344078b7bda626f4e4f0320be5aa21d2bb84068dd1bc1351965a1d4dd694433

SHA512
77325dae6c4d59fa9e6ddd197f0489315e36755b193da072d6cc8fa52bf970fd809bdeaf714994bde3b48104e77209c354e25d81d8b036171ad5326fbaff9a9f

Download Submit
memory/852-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/852-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/5040-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads