f7f1f72bb19aab74e3f84b1c9cf1948838ea82b1e83a4e0c428a7642e0297dba

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09/03/2024, 17:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

bc565ee9911ae05c2193e75bda324bb8.exe
Size

21KB
MD5

bc565ee9911ae05c2193e75bda324bb8
SHA1

44d1d8d6d1aa950f1b9a86d96cbab845af946fbc
SHA256

f7f1f72bb19aab74e3f84b1c9cf1948838ea82b1e83a4e0c428a7642e0297dba
SHA512

25a2388ae83bb5c33ce3468f9346e585c6cddff8b54d36afa0944e049b5f913d27d7027035f80d2e42555489cdc0754c61ca3fd8abe26c8d434866ebff2c8041
SSDEEP

384:tQeC1XxcmEPX2UNUcHHynyrS7drJaKiw80sOrMgW5KNB/rj:mNhcmK28SnyGXaKtXeI

Score

10^/10

evasion

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	bc565ee9911ae05c2193e75bda324bb8.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
2492	taskkill.exe

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE	bc565ee9911ae05c2193e75bda324bb8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\ = "????"	bc565ee9911ae05c2193e75bda324bb8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\shell\open\command	bc565ee9911ae05c2193e75bda324bb8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\DefaultIcon	bc565ee9911ae05c2193e75bda324bb8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\DefaultIcon\ = "C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE,0"	bc565ee9911ae05c2193e75bda324bb8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.IE	bc565ee9911ae05c2193e75bda324bb8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.IE\ = "IE"	bc565ee9911ae05c2193e75bda324bb8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\shell	bc565ee9911ae05c2193e75bda324bb8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\shell\open	bc565ee9911ae05c2193e75bda324bb8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\IE\shell\open\command\ = "C:\\Program Files\\Internet Explorer\\IEXPLORE.EXE "	bc565ee9911ae05c2193e75bda324bb8.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4716	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1544	bc565ee9911ae05c2193e75bda324bb8.exe
1544	bc565ee9911ae05c2193e75bda324bb8.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1544	bc565ee9911ae05c2193e75bda324bb8.exe
Token: SeDebugPrivilege	2492	taskkill.exe
Token: SeDebugPrivilege	1544	bc565ee9911ae05c2193e75bda324bb8.exe
Token: SeDebugPrivilege	1544	bc565ee9911ae05c2193e75bda324bb8.exe
Token: SeDebugPrivilege	1544	bc565ee9911ae05c2193e75bda324bb8.exe
Token: SeDebugPrivilege	1544	bc565ee9911ae05c2193e75bda324bb8.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1544	bc565ee9911ae05c2193e75bda324bb8.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 2492	1544	bc565ee9911ae05c2193e75bda324bb8.exe	88
PID 1544 wrote to memory of 2492	1544	bc565ee9911ae05c2193e75bda324bb8.exe	88
PID 1544 wrote to memory of 2492	1544	bc565ee9911ae05c2193e75bda324bb8.exe	88
PID 1544 wrote to memory of 2744	1544	bc565ee9911ae05c2193e75bda324bb8.exe	91
PID 1544 wrote to memory of 2744	1544	bc565ee9911ae05c2193e75bda324bb8.exe	91
PID 1544 wrote to memory of 2744	1544	bc565ee9911ae05c2193e75bda324bb8.exe	91
PID 2744 wrote to memory of 4716	2744	cmd.exe	94
PID 2744 wrote to memory of 4716	2744	cmd.exe	94
PID 2744 wrote to memory of 4716	2744	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\bc565ee9911ae05c2193e75bda324bb8.exe
"C:\Users\Admin\AppData\Local\Temp\bc565ee9911ae05c2193e75bda324bb8.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1544
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /f /im ZhuDongFangyu.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:2492
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ping 127.0.0.1 -n 1 && del "C:\Users\Admin\AppData\Local\Temp\bc565ee9911ae05c2193e75bda324bb8.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 1
    3⤵
    - Runs ping.exe
    PID:4716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1544-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1544-1-0x00000000001C0000-0x00000000001C2000-memory.dmp

Filesize
8KB

Download
memory/1544-4-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download