b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d

General

Target

b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe
Size

98KB
MD5

4ec32104de0ac83c28cbf8ebba215527
SHA1

9be2c050bc8eef8d6594ce228c859627b3f403d2
SHA256

b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d
SHA512

914d3497d965b7f4b551b008721da74fc82dcfe19e15b05ab90304522acabed59d928f997645804e7883d302f2adc8c5ae8031157295b00931cad2ea3f95b979

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1592	winqyhk.exe

Loads dropped DLL 2 IoCs

pid	Process
1780	b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe
1780	b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update 8675887 = "C:\\Windows\\900810430176710372\\winqyhk.exe"	b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update 8675887 = "C:\\Windows\\900810430176710372\\winqyhk.exe"	b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\900810430176710372\winqyhk.exe	b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe
File opened for modification	C:\Windows\900810430176710372	b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe
File created	C:\Windows\900810430176710372\winqyhk.exe	b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 1592	1780	b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe	28
PID 1780 wrote to memory of 1592	1780	b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe	28
PID 1780 wrote to memory of 1592	1780	b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe	28
PID 1780 wrote to memory of 1592	1780	b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe	28

C:\Users\Admin\AppData\Local\Temp\b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe
"C:\Users\Admin\AppData\Local\Temp\b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1780
- C:\Windows\900810430176710372\winqyhk.exe
  C:\Windows\900810430176710372\winqyhk.exe
  2⤵
  - Executes dropped EXE
  PID:1592

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\900810430176710372\winqyhk.exe

Filesize
98KB

MD5
4ec32104de0ac83c28cbf8ebba215527

SHA1
9be2c050bc8eef8d6594ce228c859627b3f403d2

SHA256
b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d

SHA512
914d3497d965b7f4b551b008721da74fc82dcfe19e15b05ab90304522acabed59d928f997645804e7883d302f2adc8c5ae8031157295b00931cad2ea3f95b979

Download Submit
\Windows\900810430176710372\winqyhk.exe

Filesize
98KB

MD5
4ec32104de0ac83c28cbf8ebba215527

SHA1
9be2c050bc8eef8d6594ce228c859627b3f403d2

SHA256
b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d

SHA512
914d3497d965b7f4b551b008721da74fc82dcfe19e15b05ab90304522acabed59d928f997645804e7883d302f2adc8c5ae8031157295b00931cad2ea3f95b979

Download Submit
\Windows\900810430176710372\winqyhk.exe

Filesize
98KB

MD5
4ec32104de0ac83c28cbf8ebba215527

SHA1
9be2c050bc8eef8d6594ce228c859627b3f403d2

SHA256
b6d82ef1862f6d88fbe0a4ebd3d485d8109f9368a7b5f6d855129e6d3f19793d

SHA512
914d3497d965b7f4b551b008721da74fc82dcfe19e15b05ab90304522acabed59d928f997645804e7883d302f2adc8c5ae8031157295b00931cad2ea3f95b979

Download Submit
memory/1592-62-0x0000000000652000-0x0000000000656000-memory.dmp

Filesize
16KB

Download
memory/1592-64-0x0000000000652000-0x0000000000656000-memory.dmp

Filesize
16KB

Download
memory/1592-65-0x0000000000400000-0x00000000004AC000-memory.dmp

Filesize
688KB

Download
memory/1780-54-0x0000000000672000-0x0000000000677000-memory.dmp

Filesize
20KB

Download
memory/1780-55-0x0000000076171000-0x0000000076173000-memory.dmp

Filesize
8KB

Download
memory/1780-56-0x0000000000672000-0x0000000000677000-memory.dmp

Filesize
20KB

Download
memory/1780-57-0x0000000000400000-0x00000000004AC000-memory.dmp

Filesize
688KB

Download

Analysis

Sharing