c1130494e2a931753ea34967fe472c99eb58bdb68c6078921845bd0570939bc6

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/08/2024, 01:59

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General

Target
c1130494e2a931753ea34967fe472c99eb58bdb68c6078921845bd0570939bc6.exe
Size 44KB
Sample240811-cetwlatfpb
SHA256 c1130494e2a931753ea34967fe472c99eb58bdb68c6078921845bd0570939bc6
MD5 a2e875c40508dbe593154f2034f69c0d
SHA1 437e6d434740f8890db45339f220a0aa38b3826d
SHA512 555b0ad0669a144da34467f05ef09c9326b731cdf7fae7c3d751a897e253d90d0e129dee85974527b5f9bc1caf61475386252f76cf4c6743f7f74d0892f3961d
SSDEEP 768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhz:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYT
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2440	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2440	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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	c1130494e2a931753ea34967fe472c99eb58bdb68c6078921845bd0570939bc6.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	c1130494e2a931753ea34967fe472c99eb58bdb68c6078921845bd0570939bc6.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	c1130494e2a931753ea34967fe472c99eb58bdb68c6078921845bd0570939bc6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4104 wrote to memory of 2440	4104	c1130494e2a931753ea34967fe472c99eb58bdb68c6078921845bd0570939bc6.exe	84
PID 4104 wrote to memory of 2440	4104	c1130494e2a931753ea34967fe472c99eb58bdb68c6078921845bd0570939bc6.exe	84
PID 4104 wrote to memory of 2440	4104	c1130494e2a931753ea34967fe472c99eb58bdb68c6078921845bd0570939bc6.exe	84

C:\Users\Admin\AppData\Local\Temp\c1130494e2a931753ea34967fe472c99eb58bdb68c6078921845bd0570939bc6.exe
"C:\Users\Admin\AppData\Local\Temp\c1130494e2a931753ea34967fe472c99eb58bdb68c6078921845bd0570939bc6.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4104
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2440

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 44KB
SHA256 3cadb194b4c9e2e1fb65e05ac431ef202acf219bf169013896bc767a8ee00393
MD5 eb2355077f06362d78f442c10afc4e91
SHA1 7771c550b2e0a647b236c1c82df842b24eed9ef5
SHA512 9d9eabf2f27f4aec35215c6b00677ca19f44f291f463a76f1ea3e4bc7b5a5e058063d0dd6d3db97c3873110825431bca5f0a9797803857672b09d1024b68a3a4
SSDEEP 768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNh9:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYd
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/4104-0-0x0000000000400000-0x0000000000403000-memory.dmp

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memory/4104-4-0x0000000000400000-0x0000000000403000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads