23c6182bfc68fb2130bfbe44e0c41dde98639c22514ffc5fc9015a66de7af25b

Analysis

max time kernel
149s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01-08-2024 21:26

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General

Target

23c6182bfc68fb2130bfbe44e0c41dde98639c22514ffc5fc9015a66de7af25b.exe
Size

73KB
MD5

3814952f85a3a1c33b620acac3f68a9f
SHA1

79382c8e970005a7540f53e46c8aa3e51965315a
SHA256

23c6182bfc68fb2130bfbe44e0c41dde98639c22514ffc5fc9015a66de7af25b
SHA512

47317e147b0f96a0cfbd10627550b9fab54f5e882254f15c834a29d0edd17a9968c17eedaa24091096353ac02ce1b25acce3b82d6ba76dff67e1038a639c56e1
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvP3OChhW4dI0h4HCIzhUvTT:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhA5

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1440	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1440	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-1-5-21-195445723-368091294-1661186673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	23c6182bfc68fb2130bfbe44e0c41dde98639c22514ffc5fc9015a66de7af25b.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	23c6182bfc68fb2130bfbe44e0c41dde98639c22514ffc5fc9015a66de7af25b.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	23c6182bfc68fb2130bfbe44e0c41dde98639c22514ffc5fc9015a66de7af25b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 876 wrote to memory of 1440	876	23c6182bfc68fb2130bfbe44e0c41dde98639c22514ffc5fc9015a66de7af25b.exe	83
PID 876 wrote to memory of 1440	876	23c6182bfc68fb2130bfbe44e0c41dde98639c22514ffc5fc9015a66de7af25b.exe	83
PID 876 wrote to memory of 1440	876	23c6182bfc68fb2130bfbe44e0c41dde98639c22514ffc5fc9015a66de7af25b.exe	83

C:\Users\Admin\AppData\Local\Temp\23c6182bfc68fb2130bfbe44e0c41dde98639c22514ffc5fc9015a66de7af25b.exe
"C:\Users\Admin\AppData\Local\Temp\23c6182bfc68fb2130bfbe44e0c41dde98639c22514ffc5fc9015a66de7af25b.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:876
- 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:1440

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
73KB

MD5
43ced6e6a5903dbd279fd930c58274a8

SHA1
cdab449177a03c37666e43508f95084f58dde580

SHA256
73c3b507cf5dfc922a3e60d04a84f46ffa0b686f3a5cdf2ad07528450b84e336

SHA512
817d916a1a94c61e6ada906e5f586ee770b4f1cbfc427c9569850ef3b346e71aa8090fced498a457ea1d07299033a02f7b9bd117468a2e24f6d17e0fd078d0ff

Download Submit
memory/876-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/876-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1440-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads