e81047307fd9a53d634afdbcf73486b6ff9338569e31b1a8335cbc563d533405

Analysis

max time kernel
149s
max time network
128s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
03/08/2024, 04:26

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General

Target

e81047307fd9a53d634afdbcf73486b6ff9338569e31b1a8335cbc563d533405.exe
Size

73KB
MD5

848fcd7cdf45aef94ca099a8f6c54267
SHA1

46b5688d05a0909ddc4934964f91471dad7969c8
SHA256

e81047307fd9a53d634afdbcf73486b6ff9338569e31b1a8335cbc563d533405
SHA512

a599039dd047cac09219b80fc312761374eb8ed33fd4eeab28aa71e72ec8cc9a5b933aeb9c85ad7a7b47cd07b681763af1801c983a2eacf5ecd33dbb92946399
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvP3OInvnHvvxIfhqhcGoI/w:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhAw

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2516	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2516	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-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	e81047307fd9a53d634afdbcf73486b6ff9338569e31b1a8335cbc563d533405.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	e81047307fd9a53d634afdbcf73486b6ff9338569e31b1a8335cbc563d533405.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	e81047307fd9a53d634afdbcf73486b6ff9338569e31b1a8335cbc563d533405.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1036 wrote to memory of 2516	1036	e81047307fd9a53d634afdbcf73486b6ff9338569e31b1a8335cbc563d533405.exe	31
PID 1036 wrote to memory of 2516	1036	e81047307fd9a53d634afdbcf73486b6ff9338569e31b1a8335cbc563d533405.exe	31
PID 1036 wrote to memory of 2516	1036	e81047307fd9a53d634afdbcf73486b6ff9338569e31b1a8335cbc563d533405.exe	31
PID 1036 wrote to memory of 2516	1036	e81047307fd9a53d634afdbcf73486b6ff9338569e31b1a8335cbc563d533405.exe	31

C:\Users\Admin\AppData\Local\Temp\e81047307fd9a53d634afdbcf73486b6ff9338569e31b1a8335cbc563d533405.exe
"C:\Users\Admin\AppData\Local\Temp\e81047307fd9a53d634afdbcf73486b6ff9338569e31b1a8335cbc563d533405.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1036
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2516

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
6a78a9ca17afacb8a20951e9dc6dddf2

SHA1
961e01987fab5776a46b046da3ff3444220f5b93

SHA256
de153ffd6658f1c4906121a5a7c5710940d99c6801f8b1fe02a52866ff336b49

SHA512
58f74c0fec8d0b90921772debec7c6771e6eec199baebe7e88dd686f09b2e04df32538a205990d5308b796a374ee58106cf1a99a4e769bb8858d493ca2492efe

Download Submit
memory/1036-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1036-3-0x0000000000220000-0x000000000022F000-memory.dmp

Filesize
60KB

Download
memory/2516-9-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads