70eaf139d10d6c22c3cc563b72686094d909c2dbcb47004386d650fb5213a3f9

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
05-08-2024 15:06

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General

Target

a4549862ebc2740a163bd5fecef8c270N.exe
Size

73KB
MD5

a4549862ebc2740a163bd5fecef8c270
SHA1

21a666fe06e58204e65218c7ef8d874a78ec4cf7
SHA256

70eaf139d10d6c22c3cc563b72686094d909c2dbcb47004386d650fb5213a3f9
SHA512

abd07dcf03dc751dce1fcced3ba6e52faa1058453e04941a057d569386a05bf445f58e06e6bfd0de47b2a7300609f6edd9bba14e7ef8f3829b8fe355239db3cc
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvP3OInvnHvvxIfhqhcGoI/P:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhAP

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2280	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2280	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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	a4549862ebc2740a163bd5fecef8c270N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	a4549862ebc2740a163bd5fecef8c270N.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	a4549862ebc2740a163bd5fecef8c270N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2280	2908	a4549862ebc2740a163bd5fecef8c270N.exe	30
PID 2908 wrote to memory of 2280	2908	a4549862ebc2740a163bd5fecef8c270N.exe	30
PID 2908 wrote to memory of 2280	2908	a4549862ebc2740a163bd5fecef8c270N.exe	30
PID 2908 wrote to memory of 2280	2908	a4549862ebc2740a163bd5fecef8c270N.exe	30

C:\Users\Admin\AppData\Local\Temp\a4549862ebc2740a163bd5fecef8c270N.exe
"C:\Users\Admin\AppData\Local\Temp\a4549862ebc2740a163bd5fecef8c270N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2280

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
74KB

MD5
492baa0036c36a5ee830b8572309019c

SHA1
72ca4be9f325006d00827b9a093cf6a40a6ffbc9

SHA256
bcf5b121af38aec158c42d243838e2c8d2bf05d73d45c4dce5fa7c84658ba174

SHA512
6d1c648959c121dd3534f0dad858616c2d44822b5fcd05af34329f38cea636c831de8f33cb21760438500e1fe1608252080e1d267e727d1243580fadf033515d

Download Submit
memory/2280-8-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2280-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2908-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2908-3-0x00000000001B0000-0x00000000001BF000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads