be35fb926c1b92d98b35b03fa041539eb0c62b6a8df7d0aeb3faee029a695c13

Analysis

max time kernel
149s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/11/2024, 03:10

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General

Target

be35fb926c1b92d98b35b03fa041539eb0c62b6a8df7d0aeb3faee029a695c13.exe
Size

66KB
MD5

f43784dfb4f307b6c2201a18efe583b2
SHA1

d615648e69d1cb23e9b144b2ea0fb5b4a0d619f6
SHA256

be35fb926c1b92d98b35b03fa041539eb0c62b6a8df7d0aeb3faee029a695c13
SHA512

9b347c44fe04130ed7b232444a0f9a90d3503db9a0672f6f9d514342016ed806fb2e26dc821f18af9eb5a38d41c664b0bb1f5288a6c9d2a21857667fb05e6234
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAcBHUIFvSHbhqhJgvbo:NAoglOwvl4ulkP6vghzwYu7vih9GueIk

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3436	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3436	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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	be35fb926c1b92d98b35b03fa041539eb0c62b6a8df7d0aeb3faee029a695c13.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	be35fb926c1b92d98b35b03fa041539eb0c62b6a8df7d0aeb3faee029a695c13.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	be35fb926c1b92d98b35b03fa041539eb0c62b6a8df7d0aeb3faee029a695c13.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 3436	2192	be35fb926c1b92d98b35b03fa041539eb0c62b6a8df7d0aeb3faee029a695c13.exe	83
PID 2192 wrote to memory of 3436	2192	be35fb926c1b92d98b35b03fa041539eb0c62b6a8df7d0aeb3faee029a695c13.exe	83
PID 2192 wrote to memory of 3436	2192	be35fb926c1b92d98b35b03fa041539eb0c62b6a8df7d0aeb3faee029a695c13.exe	83

C:\Users\Admin\AppData\Local\Temp\be35fb926c1b92d98b35b03fa041539eb0c62b6a8df7d0aeb3faee029a695c13.exe
"C:\Users\Admin\AppData\Local\Temp\be35fb926c1b92d98b35b03fa041539eb0c62b6a8df7d0aeb3faee029a695c13.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2192
- 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:3436

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
66KB

MD5
705cbb20ecf538257d29fdc3c0cce102

SHA1
c245f30b49eae63df290589e2b602d93e3b83769

SHA256
f6472d5e584f6e9504dc950d7bd545415d2c7783bca8703bce59da70bfb417f1

SHA512
e92492c1b468f0204c06082e39de2310a198b691814b69334abaf5faa4bd72289b2f654c16ed9fdc56bf9a4b4e09c02d603509b7853db46c44677c990ea94099

Download Submit
memory/2192-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2192-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3436-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads