671f7a4c17b0e143d8e257ef56a78734d0499d853093a0f82cd6b28865f8905f

Analysis

max time kernel
44s
max time network
50s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
03/10/2022, 04:11

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General

Target

671f7a4c17b0e143d8e257ef56a78734d0499d853093a0f82cd6b28865f8905f.exe
Size

52KB
MD5

63e44977d62a67ca6b1abddb7ca2bf60
SHA1

b72918b3a67c70f356853abd2c693feebe0b4b26
SHA256

671f7a4c17b0e143d8e257ef56a78734d0499d853093a0f82cd6b28865f8905f
SHA512

4d47607a7a3ec416bc4048755e705dbb2cd3728dd46fb35d8070c6e248886d003decfd4e0b15dbdee07081ca78745831072447b6f156a97ea4aad82951e9ed17
SSDEEP

768:+9NiAb8zhZ2kRQ6cs63nYMGHJK0d/VDDPoNkngrR2GCZMi2jpvN38b22dT8b22d:+ziM8XM52bDPocgreq95R8i2F8i2

Score

6^/10

persistence

Malware Config

Signatures

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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Serverx = "C:\\Windows\\system32\\Serverx.exe"	671f7a4c17b0e143d8e257ef56a78734d0499d853093a0f82cd6b28865f8905f.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Serverx.exe	671f7a4c17b0e143d8e257ef56a78734d0499d853093a0f82cd6b28865f8905f.exe
File opened for modification	C:\Windows\SysWOW64\Serverx.exe	671f7a4c17b0e143d8e257ef56a78734d0499d853093a0f82cd6b28865f8905f.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 944	2032	671f7a4c17b0e143d8e257ef56a78734d0499d853093a0f82cd6b28865f8905f.exe	27
PID 2032 wrote to memory of 944	2032	671f7a4c17b0e143d8e257ef56a78734d0499d853093a0f82cd6b28865f8905f.exe	27
PID 2032 wrote to memory of 944	2032	671f7a4c17b0e143d8e257ef56a78734d0499d853093a0f82cd6b28865f8905f.exe	27
PID 2032 wrote to memory of 944	2032	671f7a4c17b0e143d8e257ef56a78734d0499d853093a0f82cd6b28865f8905f.exe	27
PID 2032 wrote to memory of 1368	2032	671f7a4c17b0e143d8e257ef56a78734d0499d853093a0f82cd6b28865f8905f.exe	15
PID 2032 wrote to memory of 1368	2032	671f7a4c17b0e143d8e257ef56a78734d0499d853093a0f82cd6b28865f8905f.exe	15

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1368
- C:\Users\Admin\AppData\Local\Temp\671f7a4c17b0e143d8e257ef56a78734d0499d853093a0f82cd6b28865f8905f.exe
  "C:\Users\Admin\AppData\Local\Temp\671f7a4c17b0e143d8e257ef56a78734d0499d853093a0f82cd6b28865f8905f.exe"
  2⤵
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2032
- - C:\Users\Admin\AppData\Local\Temp\671f7a4c17b0e143d8e257ef56a78734d0499d853093a0f82cd6b28865f8905f.exe
    "C:\Users\Admin\AppData\Local\Temp\671f7a4c17b0e143d8e257ef56a78734d0499d853093a0f82cd6b28865f8905f.exe"
    3⤵
    PID:944

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

memory/944-57-0x0000000000AB0000-0x0000000000AC0000-memory.dmp

Filesize
64KB

Download
memory/1368-58-0x0000000002570000-0x0000000002571000-memory.dmp

Filesize
4KB

Download
memory/2032-54-0x00000000766D1000-0x00000000766D3000-memory.dmp

Filesize
8KB

Download
memory/2032-60-0x0000000000AB0000-0x0000000000AC0000-memory.dmp

Filesize
64KB

Download
memory/2032-61-0x00000000000C0000-0x00000000000D0000-memory.dmp

Filesize
64KB

Download