lobshot | 15ec54cd2b2605ec8395645fe545204a89ddfe6fef656c98c0578006184d0228

Analysis

max time kernel
136s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
05-05-2023 12:55

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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 2 IoCs

resource	yara_rule
behavioral2/files/0x000300000000072d-142.dat	family_lobshot
behavioral2/files/0x000300000000072d-143.dat	family_lobshot

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

Executes dropped EXE 1 IoCs

pid	Process
4708	service.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\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
2768	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4592	HVNC.exe
4592	HVNC.exe
4708	service.exe
4708	service.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4592 wrote to memory of 2796	4592	HVNC.exe	85
PID 4592 wrote to memory of 2796	4592	HVNC.exe	85
PID 4592 wrote to memory of 2796	4592	HVNC.exe	85
PID 2796 wrote to memory of 2768	2796	cmd.exe	87
PID 2796 wrote to memory of 2768	2796	cmd.exe	87
PID 2796 wrote to memory of 2768	2796	cmd.exe	87
PID 2796 wrote to memory of 4708	2796	cmd.exe	88
PID 2796 wrote to memory of 4708	2796	cmd.exe	88
PID 2796 wrote to memory of 4708	2796	cmd.exe	88

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:4592
- 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⤵
  - Suspicious use of WriteProcessMemory
  PID:2796
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:2768
- - C:\ProgramData\service.exe
    "C:\ProgramData\service.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:4708

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

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
c7616509060fd0fef93e95fc451ad5ee

SHA1
50c79d9138bd1937042d1a2474ead378c995a791

SHA256
7ae3848a80c3ec77c2dad8c0ee0756a7c5376025fd8e32e5efea6c68970e71d8

SHA512
1616b39d6fbb33b7e3c88ffb19140a753e9a422da4097abcebbbc13f5e52a3433d0180c45d9aa8be195208c06067548c4ce6054809aa813007fc5637c596b85e

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