8440e72180a92fdaccb2121fe3a28e3b05956dfcfa75d9fc4d4a5b6ddbeeef80

Analysis

max time kernel
119s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30/09/2024, 14:32

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General

Target

8440e72180a92fdaccb2121fe3a28e3b05956dfcfa75d9fc4d4a5b6ddbeeef80N.exe
Size

62KB
MD5

809609407bf0d6eb4d9a0ea1dda39a00
SHA1

36e5e6342a46b24842fa2953bb88c577aedafafd
SHA256

8440e72180a92fdaccb2121fe3a28e3b05956dfcfa75d9fc4d4a5b6ddbeeef80
SHA512

4bd9c1dd239822fd50e3f8759259baa0f318925f54003d87f88e413c3f561c0fa7d2163125fb63489c20b1a42b9c2ad349fff3c9e197605b24f34a1fadfc9ab5
SSDEEP

1536:lAo0ej2d6rnJwwvlKlIUBP6vghzwYu7vih9GueIh9j2IoHAjU+Eh6IbIKjf5GzCR:lAo1lOwvlKlXBP6vghzwYu7vih9GueIe

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4640	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4640	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"	8440e72180a92fdaccb2121fe3a28e3b05956dfcfa75d9fc4d4a5b6ddbeeef80N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	8440e72180a92fdaccb2121fe3a28e3b05956dfcfa75d9fc4d4a5b6ddbeeef80N.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	8440e72180a92fdaccb2121fe3a28e3b05956dfcfa75d9fc4d4a5b6ddbeeef80N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4840 wrote to memory of 4640	4840	8440e72180a92fdaccb2121fe3a28e3b05956dfcfa75d9fc4d4a5b6ddbeeef80N.exe	82
PID 4840 wrote to memory of 4640	4840	8440e72180a92fdaccb2121fe3a28e3b05956dfcfa75d9fc4d4a5b6ddbeeef80N.exe	82
PID 4840 wrote to memory of 4640	4840	8440e72180a92fdaccb2121fe3a28e3b05956dfcfa75d9fc4d4a5b6ddbeeef80N.exe	82

C:\Users\Admin\AppData\Local\Temp\8440e72180a92fdaccb2121fe3a28e3b05956dfcfa75d9fc4d4a5b6ddbeeef80N.exe
"C:\Users\Admin\AppData\Local\Temp\8440e72180a92fdaccb2121fe3a28e3b05956dfcfa75d9fc4d4a5b6ddbeeef80N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4840
- 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:4640

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
62KB

MD5
5218be4a00e725d6f393c3388df39501

SHA1
9bd99740a8c57b425164c002a80d3316604ba66d

SHA256
7489f999bca0578de0b231b8384fee89bc574d8049fc4f06b08901c069e09118

SHA512
b101e0d900121b3519a69589e5a6ab829e9032f287f27c282efcb9b4b8cdce4a2515bb68739d69777c8632b51dfc63c895aa6f0950545914633421969e78a90f

Download Submit
memory/4640-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4840-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4840-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads