dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990f

Analysis

max time kernel
119s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10/11/2024, 01:36

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General

Target
dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN.exe
Size 58KB
Sample241110-b1jgbazjhr
SHA256 dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990f
MD5 428c9771c3b90b77244909cfcf2189d0
SHA1 568be9cbc5c50f757a4c93006ae9ed3c14f5e75b
SHA512 5785510c7c7aa987c8a53824c91fa1c61b5f91da6089d2094abb983812185446b97e2d104bf371eb435545755400bb78d791c2d962e7a1358e2efea87f215508
SSDEEP 1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhI5:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYV7
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
392	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
392	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"	dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN.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	dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 392	2308	dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN.exe	83
PID 2308 wrote to memory of 392	2308	dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN.exe	83
PID 2308 wrote to memory of 392	2308	dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN.exe	83

C:\Users\Admin\AppData\Local\Temp\dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN.exe
"C:\Users\Admin\AppData\Local\Temp\dfc246812f2e54b370d5597c8d1cfa964179da876e23d23ded539cc78855990fN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:392

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 fec157317aca20b911bdb219f9fc1accf511c81e68b664541b39e1af9be3a1ed
MD5 495d22365b8dacbab48789ce76c5ff97
SHA1 7a2241c9d0e59c08a92664dec28b7ceae72b004e
SHA512 8b05d1e9c888abe94a67255f15c50895460d4203409df6f3e708553f6b77a2c098f674d66e12289b40cb83d7c2b19c2017357e6be671a9a21baaf52cb472d0ee
SSDEEP 1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIL:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVF
MD5 SHA1 SHA512 SSDEEP

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memory/392-6-0x0000000000400000-0x0000000000403000-memory.dmp

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memory/2308-0-0x0000000000400000-0x0000000000403000-memory.dmp

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memory/2308-4-0x0000000000400000-0x0000000000403000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads