720b183b99bfce4279a0232202bb101507e2224a9d2c41593a6d90bb67bff1c3

Analysis

max time kernel
120s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/09/2024, 16:00

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General

Target

ec7ebb76ee1d88158328ce1596f19550N.exe
Size

65KB
MD5

ec7ebb76ee1d88158328ce1596f19550
SHA1

25ae90f04a9f1210162da19b00bb611419e8c90c
SHA256

720b183b99bfce4279a0232202bb101507e2224a9d2c41593a6d90bb67bff1c3
SHA512

675306c6078d98df179fa4c8d7f3eb28800d742d72c8e87a6472b9fad57c2ecc4edcd545284446be4dc1fcaa4c95ac63a0c46c060065bf93c32a3a8603ee7503
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAcBHUIFvSHbhqhYhlvG:NAoglOwvl4ulkP6vghzwYu7vih9GueII

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4040	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4040	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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	ec7ebb76ee1d88158328ce1596f19550N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	ec7ebb76ee1d88158328ce1596f19550N.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	ec7ebb76ee1d88158328ce1596f19550N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 4040	2488	ec7ebb76ee1d88158328ce1596f19550N.exe	83
PID 2488 wrote to memory of 4040	2488	ec7ebb76ee1d88158328ce1596f19550N.exe	83
PID 2488 wrote to memory of 4040	2488	ec7ebb76ee1d88158328ce1596f19550N.exe	83

C:\Users\Admin\AppData\Local\Temp\ec7ebb76ee1d88158328ce1596f19550N.exe
"C:\Users\Admin\AppData\Local\Temp\ec7ebb76ee1d88158328ce1596f19550N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2488
- 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:4040

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
65KB

MD5
4bc7f3816b1e2b69efe9f5b1db91d110

SHA1
b43824fb39bf206fdf9743d370fc4376fab4ce90

SHA256
dd65a409d2fa090b357ded2507e87492167f5069b635f262980de98dac465de6

SHA512
30df7887e5952e82ae665029777952658e49fc5385bbeb748b0d54dc87984b4dc1cffd037744c7952410cb7d290b25da74f228fd87264eb8ddaf65a299f68336

Download Submit
memory/2488-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2488-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4040-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads