331a562953f7da86fb6fc344a1c27c49051105177f8ff8661058d801d8f12802

Analysis

max time kernel
140s
max time network
149s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-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\\259393189.dll"	1.exe

Deletes itself 1 IoCs

pid	Process
2420	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2760	Remocte1.exe

Loads dropped DLL 7 IoCs

pid	Process
816	1.exe
2200	svchost.exe
2200	svchost.exe
2760	Remocte1.exe
2760	Remocte1.exe
2760	Remocte1.exe
2760	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
1684	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
816	1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	816	1.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
816	1.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 816 wrote to memory of 2420	816	1.exe	30
PID 816 wrote to memory of 2420	816	1.exe	30
PID 816 wrote to memory of 2420	816	1.exe	30
PID 816 wrote to memory of 2420	816	1.exe	30
PID 2420 wrote to memory of 1684	2420	cmd.exe	32
PID 2420 wrote to memory of 1684	2420	cmd.exe	32
PID 2420 wrote to memory of 1684	2420	cmd.exe	32
PID 2420 wrote to memory of 1684	2420	cmd.exe	32
PID 2200 wrote to memory of 2760	2200	svchost.exe	33
PID 2200 wrote to memory of 2760	2200	svchost.exe	33
PID 2200 wrote to memory of 2760	2200	svchost.exe	33
PID 2200 wrote to memory of 2760	2200	svchost.exe	33

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:816
- 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⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2420
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 1
    3⤵
    - Runs ping.exe
    PID:1684

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k "Remocte1"
1⤵
PID:2464

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:2200
- C:\Windows\SysWOW64\Remocte1.exe
  C:\Windows\system32\Remocte1.exe "c:\users\admin\appdata\local\temp\259393189.dll",MainThread
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2760

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

259393189.dll

Path \Users\Admin\AppData\Local\Temp\259393189.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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Remocte1.exe

Path \Windows\SysWOW64\Remocte1.exe
Size 43KB
SHA256 5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
MD5 51138beea3e2c21ec44d0932c71762a8
SHA1 8939cf35447b22dd2c6e6f443446acc1bf986d58
SHA512 794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
SSDEEP 768:mD+ellQvZSazSRqbSEln5IyYpamDjobj8SpM:E+QWvZhSRqln5IUmDjoXV
MD5 SHA1 SHA512 SSDEEP

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