60d945eddf4ece9d6b5fe8dddf31522058ce577456abd188ee4be8191af48364

Analysis

max time kernel
146s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 05:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c51fba2e01c8dcab51722ada1a1971f0.exe
Size

41KB
MD5

c51fba2e01c8dcab51722ada1a1971f0
SHA1

66f67c43a02e5a3eae2c41ff96b45ccc6e594a2e
SHA256

60d945eddf4ece9d6b5fe8dddf31522058ce577456abd188ee4be8191af48364
SHA512

d245b662165f44ce1e76be2e8465374367ac29142a7212915776a0be8884567ad8781c3e066cfd04d98f222b445620a5e743b7462befe19a9db2f8ee7d3b3464
SSDEEP

768:KgBMR1Svhcfk3ekyiWzO1UfDv301ORSI9PoirPVe9trrL9HEcxeeBtt:KtWcf4BQO+rE1bc4trPNpvt

Score

8^/10

persistence upx

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Drivers\beep.sys	c51fba2e01c8dcab51722ada1a1971f0.exe

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\LanmanServer\Parameters\ServiceDLL = "%SystemRoot%\\System32\\StormServer.dll"	c51fba2e01c8dcab51722ada1a1971f0.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1748-0-0x0000000000400000-0x000000000041B000-memory.dmp	upx
behavioral2/memory/1748-3-0x0000000000400000-0x000000000041B000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\xcopy.exe	c51fba2e01c8dcab51722ada1a1971f0.exe
File created	C:\Windows\SysWOW64\StormServer.dll	c51fba2e01c8dcab51722ada1a1971f0.exe
File opened for modification	C:\Windows\SysWOW64\StormServer.dll	c51fba2e01c8dcab51722ada1a1971f0.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1748	c51fba2e01c8dcab51722ada1a1971f0.exe
1748	c51fba2e01c8dcab51722ada1a1971f0.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
672	Process not Found

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 3160	1748	c51fba2e01c8dcab51722ada1a1971f0.exe	55

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3160
- C:\Users\Admin\AppData\Local\Temp\c51fba2e01c8dcab51722ada1a1971f0.exe
  "C:\Users\Admin\AppData\Local\Temp\c51fba2e01c8dcab51722ada1a1971f0.exe"
  2⤵
  - Drops file in Drivers directory
  - Sets DLL path for service in the registry
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1748

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1748-0-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1748-3-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download