a49ef024804d823a39ecef7b10753ff42b5e0b3959527fcde636b440cdca7cf4

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
13-10-2024 01:27

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General

Target

a49ef024804d823a39ecef7b10753ff42b5e0b3959527fcde636b440cdca7cf4.exe
Size

39KB
MD5

55e5fc8637450e6718958fb72e6bb8e5
SHA1

53c0c41522981c634d314acd7b92cfd90f3cb460
SHA256

a49ef024804d823a39ecef7b10753ff42b5e0b3959527fcde636b440cdca7cf4
SHA512

9685dd4a58f5d8afc83096f28c34ed7ce7371946701d9cc19afbca5286b4a8ea1124d1a45bae6036f348f45abddc2f6e06c04f089df35440d21c05a04a7b77ff
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAcBHUIFvF:e6q10k0EFjed6rqJ+6vghzwYu7vih9G/

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1628	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1628	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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	a49ef024804d823a39ecef7b10753ff42b5e0b3959527fcde636b440cdca7cf4.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	a49ef024804d823a39ecef7b10753ff42b5e0b3959527fcde636b440cdca7cf4.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	a49ef024804d823a39ecef7b10753ff42b5e0b3959527fcde636b440cdca7cf4.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 1628	2368	a49ef024804d823a39ecef7b10753ff42b5e0b3959527fcde636b440cdca7cf4.exe	30
PID 2368 wrote to memory of 1628	2368	a49ef024804d823a39ecef7b10753ff42b5e0b3959527fcde636b440cdca7cf4.exe	30
PID 2368 wrote to memory of 1628	2368	a49ef024804d823a39ecef7b10753ff42b5e0b3959527fcde636b440cdca7cf4.exe	30
PID 2368 wrote to memory of 1628	2368	a49ef024804d823a39ecef7b10753ff42b5e0b3959527fcde636b440cdca7cf4.exe	30

C:\Users\Admin\AppData\Local\Temp\a49ef024804d823a39ecef7b10753ff42b5e0b3959527fcde636b440cdca7cf4.exe
"C:\Users\Admin\AppData\Local\Temp\a49ef024804d823a39ecef7b10753ff42b5e0b3959527fcde636b440cdca7cf4.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:1628

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
39KB

MD5
8b348fffb0d0ffcc856dd566e3d24593

SHA1
476e26cf7aaa66c222eb60d26430c741ea5abeb9

SHA256
dbd3f75fbde81c378f6756afbf0f6acb5d8c745dda3e4f476a98d900ecf20afa

SHA512
bf0f9e93a91a9963503952b53f30fe79fc7af734fb6e4341a12301fa6225b0d8469eb2ec4a182fcdcfa5818de8098c97901edd929f7fa95590a60717dac64948

Download Submit
memory/1628-10-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1628-12-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2368-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2368-9-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2368-2-0x0000000000230000-0x000000000023E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads