2a1946a497784b21b38284b0c3d829cb25ea68080a77515f3580207fdfedf6db

Analysis

max time kernel
149s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-09-2024 19:45

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General

Target

2a1946a497784b21b38284b0c3d829cb25ea68080a77515f3580207fdfedf6db.exe
Size

43KB
MD5

f854b6a733c7110d7fb297512f99feeb
SHA1

9efeb5d2295672db1a12974d44e3a6a4c3958b80
SHA256

2a1946a497784b21b38284b0c3d829cb25ea68080a77515f3580207fdfedf6db
SHA512

9b4f4a8f5a53edaf9096a8d586522150fc59335ffa63fdc0ea0773715786012c0d119386b53442b779fb80408382cace624eeb6cba459dc2032783b21039d0f8
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAcBHUIFv4:e6q10k0EFjed6rqJ+6vghzwYu7vih9Gq

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2580	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2580	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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2a1946a497784b21b38284b0c3d829cb25ea68080a77515f3580207fdfedf6db.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2a1946a497784b21b38284b0c3d829cb25ea68080a77515f3580207fdfedf6db.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	2a1946a497784b21b38284b0c3d829cb25ea68080a77515f3580207fdfedf6db.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 2580	1548	2a1946a497784b21b38284b0c3d829cb25ea68080a77515f3580207fdfedf6db.exe	82
PID 1548 wrote to memory of 2580	1548	2a1946a497784b21b38284b0c3d829cb25ea68080a77515f3580207fdfedf6db.exe	82
PID 1548 wrote to memory of 2580	1548	2a1946a497784b21b38284b0c3d829cb25ea68080a77515f3580207fdfedf6db.exe	82

C:\Users\Admin\AppData\Local\Temp\2a1946a497784b21b38284b0c3d829cb25ea68080a77515f3580207fdfedf6db.exe
"C:\Users\Admin\AppData\Local\Temp\2a1946a497784b21b38284b0c3d829cb25ea68080a77515f3580207fdfedf6db.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1548
- 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:2580

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
44KB

MD5
5b462797f0532c9a9bcb9620f8fbd41d

SHA1
43cc96f47827f590114462a31dffc27b9602164d

SHA256
ada0fe67682abed2cb01b9c4bf9ca374bf317fdc6f5602b6399d2177fad11dbd

SHA512
e36735623e77bface4a2da4ce396efe01330fc149220b388ddeb4e670320eed14911bc55972916e5a9cbf40998284f10e11633291740b34e6c9a8bcc8d1f443e

Download Submit
memory/1548-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1548-5-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2580-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads