6f1f2521f7e204c52a23f26577df8f1802dbec7531540818feacff6fbcb5c9a7

Analysis

max time kernel
119s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2024 17:17

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General

Target

6f1f2521f7e204c52a23f26577df8f1802dbec7531540818feacff6fbcb5c9a7N.exe
Size

63KB
MD5

8a1a92d1b15debe9e460682c43674130
SHA1

845dbb8565184a8bb44e6b4878ada4e76f731231
SHA256

6f1f2521f7e204c52a23f26577df8f1802dbec7531540818feacff6fbcb5c9a7
SHA512

7b1ae46af8410500c9751dac184cb26a75fd27814407b041fa11da92e937bf30609ef6619641b71d6ca0b8338dd27b5e192ff46037377ab69ff9e0fcb930881b
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjUvJjWH0HNh31bhlh4:NAoglOwvl4ulkP6vghzwYu7vih9GueIR

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1748	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1748	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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	6f1f2521f7e204c52a23f26577df8f1802dbec7531540818feacff6fbcb5c9a7N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	6f1f2521f7e204c52a23f26577df8f1802dbec7531540818feacff6fbcb5c9a7N.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	6f1f2521f7e204c52a23f26577df8f1802dbec7531540818feacff6fbcb5c9a7N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 1748	1728	6f1f2521f7e204c52a23f26577df8f1802dbec7531540818feacff6fbcb5c9a7N.exe	82
PID 1728 wrote to memory of 1748	1728	6f1f2521f7e204c52a23f26577df8f1802dbec7531540818feacff6fbcb5c9a7N.exe	82
PID 1728 wrote to memory of 1748	1728	6f1f2521f7e204c52a23f26577df8f1802dbec7531540818feacff6fbcb5c9a7N.exe	82

C:\Users\Admin\AppData\Local\Temp\6f1f2521f7e204c52a23f26577df8f1802dbec7531540818feacff6fbcb5c9a7N.exe
"C:\Users\Admin\AppData\Local\Temp\6f1f2521f7e204c52a23f26577df8f1802dbec7531540818feacff6fbcb5c9a7N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1728
- 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:1748

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
64KB

MD5
f3ce3a9a34dcae371f5fe9a3277585f4

SHA1
ad9cd4cc43b5f0780cc6d924bce15330dee3ac3e

SHA256
a666493403a6f4b26e461e6f1542d8dd0929d704318e6b464767ace9aef9de0e

SHA512
56f0ca67c73ae5032b0b43c9f43e9ac38124a6f28453424ca3701c0b1206f47cc693c86d1ec990ea6ad4cea8eb745eb11ce46c08d6510aada26711d6c8f7039c

Download Submit
memory/1728-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1728-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1748-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads