efd98ea266b17b93c5d0530017999374302b417d8140e662a021018848fe9c55

Analysis

max time kernel
183s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03/10/2022, 23:32

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General

Target

efd98ea266b17b93c5d0530017999374302b417d8140e662a021018848fe9c55.exe
Size

89KB
MD5

60195c9d0e4f6c6ab098ab4c6ef40c60
SHA1

7cd7be9f02c6a1131efa2f468295059b7d42b2ac
SHA256

efd98ea266b17b93c5d0530017999374302b417d8140e662a021018848fe9c55
SHA512

bc7eb368ab1cfd16db60e21dfa55ae75e5b0312968c2891040dc4b0350cd667048fb6dffe424209a35ff81df34c7f9dc225640c7af0fcc0854247acd7c78e514
SSDEEP

1536:vAowfbJFgjQ284U+w2EwRzSIUqhwDKopH0njnIInjjnjjjjjjjnjjjnjnjjnjjnn:vAowVFgjQiUkEwtSXqhwDKopH0njnIIr

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1628	microsofthelp.exe

Deletes itself 1 IoCs

pid	Process
1628	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	efd98ea266b17b93c5d0530017999374302b417d8140e662a021018848fe9c55.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	efd98ea266b17b93c5d0530017999374302b417d8140e662a021018848fe9c55.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1240 wrote to memory of 1628	1240	efd98ea266b17b93c5d0530017999374302b417d8140e662a021018848fe9c55.exe	28
PID 1240 wrote to memory of 1628	1240	efd98ea266b17b93c5d0530017999374302b417d8140e662a021018848fe9c55.exe	28
PID 1240 wrote to memory of 1628	1240	efd98ea266b17b93c5d0530017999374302b417d8140e662a021018848fe9c55.exe	28
PID 1240 wrote to memory of 1628	1240	efd98ea266b17b93c5d0530017999374302b417d8140e662a021018848fe9c55.exe	28

C:\Users\Admin\AppData\Local\Temp\efd98ea266b17b93c5d0530017999374302b417d8140e662a021018848fe9c55.exe
"C:\Users\Admin\AppData\Local\Temp\efd98ea266b17b93c5d0530017999374302b417d8140e662a021018848fe9c55.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1240
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Executes dropped EXE
  - Deletes itself
  - Drops file in Windows directory
  PID:1628

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\microsofthelp.exe

Filesize
89KB

MD5
10c9fdd0e373f663d867119ff44b1b4b

SHA1
94d5669eb42d0d749c7a87bb7dd076b0470e1150

SHA256
c806c034c57bf3fbcc1cad57fa7a46e961e832af50ebb2ff6ee4eb0bfcb50663

SHA512
ff60078cf4d0f425ce25b2c0176f93104f7142dd3fc17f702bd2d3578a9cd5b05633cecddca57f0de645838f762b03f4a9858a2851519faeed7b444de4f0e22f

Download Submit
C:\Windows\microsofthelp.exe

Filesize
89KB

MD5
10c9fdd0e373f663d867119ff44b1b4b

SHA1
94d5669eb42d0d749c7a87bb7dd076b0470e1150

SHA256
c806c034c57bf3fbcc1cad57fa7a46e961e832af50ebb2ff6ee4eb0bfcb50663

SHA512
ff60078cf4d0f425ce25b2c0176f93104f7142dd3fc17f702bd2d3578a9cd5b05633cecddca57f0de645838f762b03f4a9858a2851519faeed7b444de4f0e22f

Download Submit
memory/1240-54-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1628-58-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1628-59-0x0000000074F01000-0x0000000074F03000-memory.dmp

Filesize
8KB

Download
memory/1628-60-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download