9dd911626b16001f5bd8811f7d572b21e175861f2496c12071439df3a4832049

Analysis

max time kernel
119s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 04:28

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General

Target

c577d02da3350013f1dcba4dadef1b40N.exe
Size

63KB
MD5

c577d02da3350013f1dcba4dadef1b40
SHA1

d9caacf15171dfe780a6b11f3b1c1eeb0fe03e25
SHA256

9dd911626b16001f5bd8811f7d572b21e175861f2496c12071439df3a4832049
SHA512

f933c3841724ed17b5e6e2527a86647fe408e25f12b3c8c2c4040a935fae17b23e7c6e1913ae89ade5d210a07794c74b7d8ed93fbc0f157dbb4cc0b57eb236c5
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAcBHUIFvSHbhqhYhlvE:NAoglOwvl4ulkP6vghzwYu7vih9GueIG

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3740	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3740	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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	c577d02da3350013f1dcba4dadef1b40N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	c577d02da3350013f1dcba4dadef1b40N.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	c577d02da3350013f1dcba4dadef1b40N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 3740	2424	c577d02da3350013f1dcba4dadef1b40N.exe	83
PID 2424 wrote to memory of 3740	2424	c577d02da3350013f1dcba4dadef1b40N.exe	83
PID 2424 wrote to memory of 3740	2424	c577d02da3350013f1dcba4dadef1b40N.exe	83

C:\Users\Admin\AppData\Local\Temp\c577d02da3350013f1dcba4dadef1b40N.exe
"C:\Users\Admin\AppData\Local\Temp\c577d02da3350013f1dcba4dadef1b40N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2424
- 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:3740

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
63KB

MD5
deae3dfd150d17990a8831fc658bf8a4

SHA1
21a14e1f9e211f974a2713c17f7283754271c7ad

SHA256
105003831475eae5ea8d0a29351c266ff1fdec3c0d02a44fcdc293da474f1ef6

SHA512
1ef54ddef0bb90feed661b910cc3a88295e71a496e6ebfb0b21304e22c4bb7ddbdc08a115fc540c365976137f0bfb4050c68398f6c4373a29abddfcf9616ceff

Download Submit
memory/2424-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2424-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3740-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads