331a562953f7da86fb6fc344a1c27c49051105177f8ff8661058d801d8f12802

Analysis

max time kernel
140s
max time network
150s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
16-06-2024 02:37

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

server.exe
Size

48KB
MD5

eff3e0fad856f7bed3f7ef76e355b75e
SHA1

ac9fc470156acc577e6b5e889b6d28bb12e39db8
SHA256

0498fe1b3c0866a85b0b9c653800877da139973d6b60646f99f00e014bbb71e7
SHA512

458ac1d27e70a2fbee1e5c8abb3d1b1fb0c093f57e06d3401a0e45bbc32d619afccbc21ca2d70a694eb173e17f1a46b7a59fdcdfa933618d4f4701e0909bf7b4
SSDEEP

768:zynb12Aw5J6HC4kq5Jp9bjAzhyY55J+NStcEeUlyqgZl4p67ChPC:Ub1MsHz3JDwhyWr+N95OTga6p

Score

8^/10

persistence

Malware Config

Signatures

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\Remocte1\Parameters\ServiceDll = "C:\\Users\\Admin\\AppData\\Local\\Temp\\259398353.dll"	server.exe

Deletes itself 1 IoCs

pid	Process
2600	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1636	Remocte1.exe

Loads dropped DLL 7 IoCs

pid	Process
2348	server.exe
2188	svchost.exe
2188	svchost.exe
1636	Remocte1.exe
1636	Remocte1.exe
1636	Remocte1.exe
1636	Remocte1.exe

Creates a Windows Service
persistence

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Remocte1.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\Remocte1.exe	svchost.exe

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

System Information Discovery
T1082

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2596	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2348	server.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2348	server.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2348	server.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 2600	2348	server.exe	30
PID 2348 wrote to memory of 2600	2348	server.exe	30
PID 2348 wrote to memory of 2600	2348	server.exe	30
PID 2348 wrote to memory of 2600	2348	server.exe	30
PID 2600 wrote to memory of 2596	2600	cmd.exe	32
PID 2600 wrote to memory of 2596	2600	cmd.exe	32
PID 2600 wrote to memory of 2596	2600	cmd.exe	32
PID 2600 wrote to memory of 2596	2600	cmd.exe	32
PID 2188 wrote to memory of 1636	2188	svchost.exe	33
PID 2188 wrote to memory of 1636	2188	svchost.exe	33
PID 2188 wrote to memory of 1636	2188	svchost.exe	33
PID 2188 wrote to memory of 1636	2188	svchost.exe	33

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
1⤵
- Sets DLL path for service in the registry
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2600
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 1
    3⤵
    - Runs ping.exe
    PID:2596

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remocte1"
1⤵
PID:1216

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remocte1"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Windows\SysWOW64\Remocte1.exe
  C:\Windows\system32\Remocte1.exe "c:\users\admin\appdata\local\temp\259398353.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1636

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

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\259398353.dll

Filesize
25KB

MD5
175ecc539f793d9825efc5eb4d8d6487

SHA1
703d62df9a500345e2459bd3dc66d09a9a731c70

SHA256
27f447598c1af8f8ea01354781d55f79eb737754d9c254d6cd5b4cef1ef2165c

SHA512
653bc6cb75f9844977893abddeb6daf7e62b39b83e14f2591bd293dbeeba9d8d1e5136a7baf5a4d6c0a9630136a384367028bab57ac98da15502bd42e7870aef

Download Submit
\Windows\SysWOW64\Remocte1.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit