cfd0d67ee315595c53f76644b5470e1a7bb66a92b7ee13e5ffd0a9bfa9a50d76

Analysis

max time kernel
120s
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
09/11/2024, 23:41

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General

Target
cfd0d67ee315595c53f76644b5470e1a7bb66a92b7ee13e5ffd0a9bfa9a50d76N.exe
Size 58KB
Sample241109-3ptlpatnes
SHA256 cfd0d67ee315595c53f76644b5470e1a7bb66a92b7ee13e5ffd0a9bfa9a50d76
MD5 683bb6237a75962dde56e6741e4f43a0
SHA1 a39e6e526e6e0e133ef1ee2ebc2a93ba90deb434
SHA512 2fea78f011590444f8e4de22a976960d0f9cf0cf432692663cda78a5e89406d2923f313d1c83e31fee8605bf34ab6756d74b08a49b8de9b12bc94d0c16caf04e
SSDEEP 1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhI+:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYV8
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2388	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2388	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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	cfd0d67ee315595c53f76644b5470e1a7bb66a92b7ee13e5ffd0a9bfa9a50d76N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	cfd0d67ee315595c53f76644b5470e1a7bb66a92b7ee13e5ffd0a9bfa9a50d76N.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	cfd0d67ee315595c53f76644b5470e1a7bb66a92b7ee13e5ffd0a9bfa9a50d76N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 2388	1720	cfd0d67ee315595c53f76644b5470e1a7bb66a92b7ee13e5ffd0a9bfa9a50d76N.exe	83
PID 1720 wrote to memory of 2388	1720	cfd0d67ee315595c53f76644b5470e1a7bb66a92b7ee13e5ffd0a9bfa9a50d76N.exe	83
PID 1720 wrote to memory of 2388	1720	cfd0d67ee315595c53f76644b5470e1a7bb66a92b7ee13e5ffd0a9bfa9a50d76N.exe	83

C:\Users\Admin\AppData\Local\Temp\cfd0d67ee315595c53f76644b5470e1a7bb66a92b7ee13e5ffd0a9bfa9a50d76N.exe
"C:\Users\Admin\AppData\Local\Temp\cfd0d67ee315595c53f76644b5470e1a7bb66a92b7ee13e5ffd0a9bfa9a50d76N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2388

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

microsofthelp.exe

Path C:\Windows\microsofthelp.exe
Size 58KB
SHA256 c1fd7af275859ed5d96d0fdb8276562889164eccef24daca369aae3bf460a56a
MD5 498e418f0d4a2be115c6d16fa79c1173
SHA1 0d0519e2287f5df1ec4f207b80435f140d747852
SHA512 69a9a2b642b16d2ab30d51711f60e0b563f571d07192f41aaa947c567cfa357c176d2ece79a5e58c77850ae8817a94b942baceef1e35cfeac7781a6c882f01f9
SSDEEP 1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhI:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVW
MD5 SHA1 SHA512 SSDEEP

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memory/1720-0-0x0000000000400000-0x0000000000403000-memory.dmp

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memory/1720-5-0x0000000000400000-0x0000000000403000-memory.dmp

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memory/2388-6-0x0000000000400000-0x0000000000403000-memory.dmp

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memory/2388-7-0x0000000000400000-0x0000000000403000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads