331a562953f7da86fb6fc344a1c27c49051105177f8ff8661058d801d8f12802

Analysis

max time kernel
139s
max time network
151s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
16/06/2024, 02:37

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General

Target
1.exe
Size 48KB
Sample240616-c4lxaawdpg
SHA256 1f2e39728d627019c482b270eabb614d39100ed910797c6884fc405ae6514412
MD5 7f0bf23db6496335d9adf01fb50ec091
SHA1 92ba1a47b40306bf5e4027506c7683ab3577fb73
SHA512 f62a8b136cec137784692547bb7259e36592dd474c16914683f872ab30f482d8acf6a2064c996515c1c99b3337c15b4d0c85fe971cd599c8e9aa54b5822f40df
SSDEEP 768:zynb12Aw5J6HC4kq5Jp9bjAzhyY55J+NStcEeUlyqgZl4p67ThPC:Ub1MsHz3JDwhyWr+N95OTga6I
MD5 SHA1 SHA512 SSDEEP

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\\240610078.dll"	1.exe

Executes dropped EXE 1 IoCs

pid	Process
2572	Remocte1.exe

Loads dropped DLL 3 IoCs

pid	Process
2764	1.exe
3932	svchost.exe
2572	Remocte1.exe

Creates a Windows Service
persistence

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Remocte1.exe	svchost.exe
File created	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
4396	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2764	1.exe
2764	1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2764	1.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2764	1.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2764 wrote to memory of 1428	2764	1.exe	75
PID 2764 wrote to memory of 1428	2764	1.exe	75
PID 2764 wrote to memory of 1428	2764	1.exe	75
PID 1428 wrote to memory of 4396	1428	cmd.exe	77
PID 1428 wrote to memory of 4396	1428	cmd.exe	77
PID 1428 wrote to memory of 4396	1428	cmd.exe	77
PID 3932 wrote to memory of 2572	3932	svchost.exe	78
PID 3932 wrote to memory of 2572	3932	svchost.exe	78
PID 3932 wrote to memory of 2572	3932	svchost.exe	78

C:\Users\Admin\AppData\Local\Temp\1.exe
"C:\Users\Admin\AppData\Local\Temp\1.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:2764
- 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\1.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1428
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 1
    3⤵
    - Runs ping.exe
    PID:4396

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remocte1"
1⤵
PID:5108

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:3932
- C:\Windows\SysWOW64\Remocte1.exe
  C:\Windows\system32\Remocte1.exe "c:\users\admin\appdata\local\temp\240610078.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2572

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

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Downloads

Remocte1.exe

Path C:\Windows\SysWOW64\Remocte1.exe
Size 59KB
SHA256 2be981b3686ee5e725583f5936f5f0a0992723cad784457f91d9d1d5a15a0852
MD5 f57886ace1ab4972b0308f69b1a0029c
SHA1 519b2a981cb522ed2b0901f9871f9aa9781a6cd5
SHA512 c2b3f016a8c3993771cd5709e469c9dedfa1dd35047691de5e853e2ad0ac025ec210fc6cb662c82d08f62e2c889e5060e796414a4eaf6a6c1719cdd7e5debdf8
SSDEEP 768:ZE4kM/YtA7Fnl7vL6D/tq1oe60DRvbSEln5IyYpamDjobj8SbW:Zk1mBl6DwoADRBln5IUmDjoXfW
MD5 SHA1 SHA512 SSDEEP

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240610078.dll

Path \Users\Admin\AppData\Local\Temp\240610078.dll
Size 25KB
SHA256 e433fea139b4bc81961a73df3159211c6a20475d798d53bfd3c11b77850caa5b
MD5 7058a766ab64adf883745d749cd0319f
SHA1 52f41f3df9b376345e669cc445da51e4d0647a17
SHA512 8452538215ad6a6a793fc820be306acb9a0412b63e679375c2f0c56c4ba95a2b45bcc8520bbfeca8b8489c660c5a6a861707dee54104d796a294148e8fc2047c
SSDEEP 384:8T9IWqIwt10zr6lXYhCRdkyurLmC2S1xJrQcWrH/RUAMO0MY0holUxHd9q4tKDES:8ht+Izr6pqRrLuS1vzWpaGZHdbYDG
MD5 SHA1 SHA512 SSDEEP

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