59d5d9976f11faf262ad2a39ea4799f2345b9a6f89bb9ef2d36d695b3e6fe2e1

Analysis

max time kernel
120s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27/09/2024, 04:49

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General

Target

59d5d9976f11faf262ad2a39ea4799f2345b9a6f89bb9ef2d36d695b3e6fe2e1N.exe
Size

77KB
MD5

0d64f247110b0e52e8b44433b2b34790
SHA1

5170515acfab56405c4fff5c2fa574b89ae396dd
SHA256

59d5d9976f11faf262ad2a39ea4799f2345b9a6f89bb9ef2d36d695b3e6fe2e1
SHA512

94253601a14d7e4199e637e9f2ff9252441c7c712457909acb847348149e5ee5f5144d0b52b8863f8064b0ba4536d16438b14c0ddbeedee00db6f8c02e050e6a
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN/qhAvP3OChhW4dI0h4HCIzhUvTO:xAo1lOwvlNlXBvsI7hrhEh9cpDN/qhAI

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4640	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4640	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-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	59d5d9976f11faf262ad2a39ea4799f2345b9a6f89bb9ef2d36d695b3e6fe2e1N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	59d5d9976f11faf262ad2a39ea4799f2345b9a6f89bb9ef2d36d695b3e6fe2e1N.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	59d5d9976f11faf262ad2a39ea4799f2345b9a6f89bb9ef2d36d695b3e6fe2e1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3308 wrote to memory of 4640	3308	59d5d9976f11faf262ad2a39ea4799f2345b9a6f89bb9ef2d36d695b3e6fe2e1N.exe	82
PID 3308 wrote to memory of 4640	3308	59d5d9976f11faf262ad2a39ea4799f2345b9a6f89bb9ef2d36d695b3e6fe2e1N.exe	82
PID 3308 wrote to memory of 4640	3308	59d5d9976f11faf262ad2a39ea4799f2345b9a6f89bb9ef2d36d695b3e6fe2e1N.exe	82

C:\Users\Admin\AppData\Local\Temp\59d5d9976f11faf262ad2a39ea4799f2345b9a6f89bb9ef2d36d695b3e6fe2e1N.exe
"C:\Users\Admin\AppData\Local\Temp\59d5d9976f11faf262ad2a39ea4799f2345b9a6f89bb9ef2d36d695b3e6fe2e1N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3308
- 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:4640

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
77KB

MD5
afcffc6650a028ae85c314d7e73418b1

SHA1
a361fd5a970a759d35fef9fb51b9b5bc10994ed9

SHA256
f5440e61aa37a60aea1732af35299a19ae9bb4554e17033b4b9df1af74f32997

SHA512
071f4d703dbed88cfeab46ab7a6afa85bf2b8a6ede4127324c34292fcb6b0fb107e9b1fbe1f7739fc3e260b3c404f6fe839a2293913fe50176ce65299e79c656

Download Submit
memory/3308-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/3308-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4640-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4640-7-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads