lobshot | 15ec54cd2b2605ec8395645fe545204a89ddfe6fef656c98c0578006184d0228

Analysis

max time kernel
134s
max time network
146s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
26/07/2023, 14:15

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General

Target

HVNC.exe
Size

96KB
MD5

9315eb6ecab91d17c13e8e12c850fd1a
SHA1

412eed3de0dd1714b4b27d77dec8d653e6d604cf
SHA256

15ec54cd2b2605ec8395645fe545204a89ddfe6fef656c98c0578006184d0228
SHA512

c41bd3d7df65388927c5d8a46bcaa5d329741c9e690ef26e3a2a03021949a67ddda01c8f50d78b5faff8c0911ffaae33d3cf891de4b8b28360e3c3726827a216
SSDEEP

1536:QX1tIEY/6mS2I4bD7jrFgkfTeXslrYNJJpnPEqQFXB00Gdhp4VjlK+I/QX205eBj:QX1tIM2IOXjdfTeXsirnPgu4PK+Iocc

Score

10^/10

lobshot backdoor persistence

Malware Config

Signatures

Detects Lobshot family 3 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012221-62.dat	family_lobshot
behavioral1/files/0x000c000000012221-63.dat	family_lobshot
behavioral1/files/0x000c000000012221-64.dat	family_lobshot

Lobshot
Lobshot is a backdoor module written in c++.
backdoor lobshot

Deletes itself 1 IoCs

pid	Process
1732	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2840	service.exe

Loads dropped DLL 1 IoCs

pid	Process
1732	cmd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-377084978-2088738870-2818360375-1000\Software\Microsoft\Windows\CurrentVersion\Run\Shell Extension = "C:\\ProgramData\\service.exe"	HVNC.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2264	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
844	HVNC.exe
2840	service.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 844 wrote to memory of 1732	844	HVNC.exe	28
PID 844 wrote to memory of 1732	844	HVNC.exe	28
PID 844 wrote to memory of 1732	844	HVNC.exe	28
PID 844 wrote to memory of 1732	844	HVNC.exe	28
PID 1732 wrote to memory of 2264	1732	cmd.exe	30
PID 1732 wrote to memory of 2264	1732	cmd.exe	30
PID 1732 wrote to memory of 2264	1732	cmd.exe	30
PID 1732 wrote to memory of 2264	1732	cmd.exe	30
PID 1732 wrote to memory of 2840	1732	cmd.exe	31
PID 1732 wrote to memory of 2840	1732	cmd.exe	31
PID 1732 wrote to memory of 2840	1732	cmd.exe	31
PID 1732 wrote to memory of 2840	1732	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\HVNC.exe
"C:\Users\Admin\AppData\Local\Temp\HVNC.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:844
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c (ping 127.0.0.1) & (del /F /Q "C:\Users\Admin\AppData\Local\Temp\HVNC.exe") & (start "" "C:\ProgramData\service.exe")
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1732
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:2264
- - C:\ProgramData\service.exe
    "C:\ProgramData\service.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:2840

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\cln_log.txt

Filesize
350B

MD5
6d64f703fadc83179abefe0fada428c9

SHA1
c444482383c360e9aec75009b2ad018fbaa3ae3d

SHA256
db296208b857349a2288a79fa108e49ec08692993792c27e0d3377a2ef506ea1

SHA512
b1444da09169ed47e653534460ad09f37c5ec8c1a407b6ed7bdc8238b3b67e6958df2a1c99b57b9c489188ea47c1736b2f7bdaa62bbe8ebd038876b993b6744a

Download Submit
C:\ProgramData\service.exe

Filesize
96KB

MD5
9315eb6ecab91d17c13e8e12c850fd1a

SHA1
412eed3de0dd1714b4b27d77dec8d653e6d604cf

SHA256
15ec54cd2b2605ec8395645fe545204a89ddfe6fef656c98c0578006184d0228

SHA512
c41bd3d7df65388927c5d8a46bcaa5d329741c9e690ef26e3a2a03021949a67ddda01c8f50d78b5faff8c0911ffaae33d3cf891de4b8b28360e3c3726827a216

Download Submit
C:\ProgramData\service.exe

Filesize
96KB

MD5
9315eb6ecab91d17c13e8e12c850fd1a

SHA1
412eed3de0dd1714b4b27d77dec8d653e6d604cf

SHA256
15ec54cd2b2605ec8395645fe545204a89ddfe6fef656c98c0578006184d0228

SHA512
c41bd3d7df65388927c5d8a46bcaa5d329741c9e690ef26e3a2a03021949a67ddda01c8f50d78b5faff8c0911ffaae33d3cf891de4b8b28360e3c3726827a216

Download Submit
\ProgramData\service.exe

Filesize
96KB

MD5
9315eb6ecab91d17c13e8e12c850fd1a

SHA1
412eed3de0dd1714b4b27d77dec8d653e6d604cf

SHA256
15ec54cd2b2605ec8395645fe545204a89ddfe6fef656c98c0578006184d0228

SHA512
c41bd3d7df65388927c5d8a46bcaa5d329741c9e690ef26e3a2a03021949a67ddda01c8f50d78b5faff8c0911ffaae33d3cf891de4b8b28360e3c3726827a216

Download Submit