51d61165e4dacbd00128ea25233d12bdee3dc206d84f4b10b387ab1cb66b603a

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-08-2024 22:15

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General

Target

51d61165e4dacbd00128ea25233d12bdee3dc206d84f4b10b387ab1cb66b603a.exe
Size

35KB
MD5

15c089929786a59a9b4c62096118c3c1
SHA1

f6b7386141834dccf4925d916ee8991c74a3b2dc
SHA256

51d61165e4dacbd00128ea25233d12bdee3dc206d84f4b10b387ab1cb66b603a
SHA512

5b2caa16fc6ae4f360a95ef042e42a1996fb63cbe4d31518da318364dc745121e94c968f73d99dffe4d20e15eac1caa585e24cdfeec0794fb13e9d58b67d2a53
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh66J:e6q10k0EFjed6rqJ+6vghzwYu7vih9G1

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4016	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4016	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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	51d61165e4dacbd00128ea25233d12bdee3dc206d84f4b10b387ab1cb66b603a.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe
File created	C:\Windows\microsofthelp.exe	51d61165e4dacbd00128ea25233d12bdee3dc206d84f4b10b387ab1cb66b603a.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	51d61165e4dacbd00128ea25233d12bdee3dc206d84f4b10b387ab1cb66b603a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3408 wrote to memory of 4016	3408	51d61165e4dacbd00128ea25233d12bdee3dc206d84f4b10b387ab1cb66b603a.exe	85
PID 3408 wrote to memory of 4016	3408	51d61165e4dacbd00128ea25233d12bdee3dc206d84f4b10b387ab1cb66b603a.exe	85
PID 3408 wrote to memory of 4016	3408	51d61165e4dacbd00128ea25233d12bdee3dc206d84f4b10b387ab1cb66b603a.exe	85

C:\Users\Admin\AppData\Local\Temp\51d61165e4dacbd00128ea25233d12bdee3dc206d84f4b10b387ab1cb66b603a.exe
"C:\Users\Admin\AppData\Local\Temp\51d61165e4dacbd00128ea25233d12bdee3dc206d84f4b10b387ab1cb66b603a.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3408
- 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:4016

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
36KB

MD5
c1a83c12e8415d9d9e713a744e453af8

SHA1
fd3aeeb38e1eb8b08f2838e2a6b93e37d3691f44

SHA256
52488d7b118abf5c7508592311f00b7b69d858cddda3bfdf3c04fcde9af5aba2

SHA512
cbdf8ed5425c0a7fda1e354987f78c8c72bdb00c7b0754fe95e39f285e51723cf96ad5e9a18eb2ac861d0e034ae817a754d4360eb442724cba9402af892be473

Download Submit
memory/3408-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3408-4-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4016-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads