f456fb26d723cdbc4be3aeedb6bf6693812265b77e9ef7cab5ee1446c8d38ff8

Analysis

max time kernel
149s
max time network
119s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29/03/2024, 05:02

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General

Target

f456fb26d723cdbc4be3aeedb6bf6693812265b77e9ef7cab5ee1446c8d38ff8.exe
Size

105KB
MD5

faa8bde03822e83ed62c2075f4b68006
SHA1

7d29efd8a1617bd7896d44aeb3f776fe795e76b2
SHA256

f456fb26d723cdbc4be3aeedb6bf6693812265b77e9ef7cab5ee1446c8d38ff8
SHA512

ce92d364b990c5890ef47c44df583d50db7c875615a0ab5f0b2bf429fc482eb0ffa8fc91423d7490b1f5e31c8286e23533670b56640a5bbe6f18e99a6a5a4da9
SSDEEP

3072:YAowyFgjTiUkEwt6OlvaeEpIaCtwUaSvcmGCCCCCCC+EaEAEtHjCCCCt6Hatbcan:PJjGUkfUL

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2936	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2936	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-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	f456fb26d723cdbc4be3aeedb6bf6693812265b77e9ef7cab5ee1446c8d38ff8.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	f456fb26d723cdbc4be3aeedb6bf6693812265b77e9ef7cab5ee1446c8d38ff8.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 2936	2872	f456fb26d723cdbc4be3aeedb6bf6693812265b77e9ef7cab5ee1446c8d38ff8.exe	28
PID 2872 wrote to memory of 2936	2872	f456fb26d723cdbc4be3aeedb6bf6693812265b77e9ef7cab5ee1446c8d38ff8.exe	28
PID 2872 wrote to memory of 2936	2872	f456fb26d723cdbc4be3aeedb6bf6693812265b77e9ef7cab5ee1446c8d38ff8.exe	28
PID 2872 wrote to memory of 2936	2872	f456fb26d723cdbc4be3aeedb6bf6693812265b77e9ef7cab5ee1446c8d38ff8.exe	28

C:\Users\Admin\AppData\Local\Temp\f456fb26d723cdbc4be3aeedb6bf6693812265b77e9ef7cab5ee1446c8d38ff8.exe
"C:\Users\Admin\AppData\Local\Temp\f456fb26d723cdbc4be3aeedb6bf6693812265b77e9ef7cab5ee1446c8d38ff8.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2936

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\microsofthelp.exe

Filesize
106KB

MD5
ad7859784547a8d42322dc95f716fc5f

SHA1
8db1d418fc3991ca7e7a6cdfe7f0732d39ad85e3

SHA256
67c08441e695860d28e5b72ede876dc6646d2bcab315891fe25a4571632baee2

SHA512
3a9e92fbe3985a5c338cad21830c544c43823f1bf990490c955a407db42bada895010096a5e82e997d06b8f41f8ceb61a11853e88e34e749c11fb4ff162738d6

Download Submit
memory/2872-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2872-6-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2936-8-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2936-10-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads