lobshot | 921db56e4de5605b3759de43727f62be0f4c158a2837cf08ff376c427b85bec8

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
17/06/2023, 14:09

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General

Target

tmp.exe
Size

80KB
MD5

b8d23f55d8924b617a57035db1cd3eb0
SHA1

94f84b29f47762afa6f44b39dea910286381f296
SHA256

921db56e4de5605b3759de43727f62be0f4c158a2837cf08ff376c427b85bec8
SHA512

656c74a552e068e20f234a7f66fd49a2c2477b991385c563443856d0b1e7668cb79f839f06f846eed14cfb009dd0fb4b1ad9f96fd1d0313d38cfb6d213e68099
SSDEEP

1536:Q+uA+pnOZyTfpU9tE6lrY4eOmunPXqDMlsKrKN08LpSMm+IEQFTm:RuBA+hME6+SnPQasBN0cSN+IlFTm

Score

10^/10

lobshot backdoor persistence

Malware Config

Signatures

Detects Lobshot family 3 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000122da-55.dat	family_lobshot
behavioral1/files/0x000b0000000122da-56.dat	family_lobshot
behavioral1/files/0x000b0000000122da-57.dat	family_lobshot

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

Deletes itself 1 IoCs

pid	Process
1420	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1324	service.exe

Loads dropped DLL 1 IoCs

pid	Process
1420	cmd.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-1-5-21-2647223082-2067913677-935928954-1000\Software\Microsoft\Windows\CurrentVersion\Run\Shell Extension = "C:\\ProgramData\\service.exe"	tmp.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1104	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1544	tmp.exe
1324	service.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 1420	1544	tmp.exe	28
PID 1544 wrote to memory of 1420	1544	tmp.exe	28
PID 1544 wrote to memory of 1420	1544	tmp.exe	28
PID 1544 wrote to memory of 1420	1544	tmp.exe	28
PID 1420 wrote to memory of 1104	1420	cmd.exe	30
PID 1420 wrote to memory of 1104	1420	cmd.exe	30
PID 1420 wrote to memory of 1104	1420	cmd.exe	30
PID 1420 wrote to memory of 1104	1420	cmd.exe	30
PID 1420 wrote to memory of 1324	1420	cmd.exe	31
PID 1420 wrote to memory of 1324	1420	cmd.exe	31
PID 1420 wrote to memory of 1324	1420	cmd.exe	31
PID 1420 wrote to memory of 1324	1420	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1544
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c (ping 127.0.0.1) & (del /F /Q "C:\Users\Admin\AppData\Local\Temp\tmp.exe") & (start "" "C:\ProgramData\service.exe")
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1420
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:1104
- - C:\ProgramData\service.exe
    "C:\ProgramData\service.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:1324

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

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Downloads

C:\ProgramData\service.exe

Filesize
80KB

MD5
b8d23f55d8924b617a57035db1cd3eb0

SHA1
94f84b29f47762afa6f44b39dea910286381f296

SHA256
921db56e4de5605b3759de43727f62be0f4c158a2837cf08ff376c427b85bec8

SHA512
656c74a552e068e20f234a7f66fd49a2c2477b991385c563443856d0b1e7668cb79f839f06f846eed14cfb009dd0fb4b1ad9f96fd1d0313d38cfb6d213e68099

Download Submit
C:\ProgramData\service.exe

Filesize
80KB

MD5
b8d23f55d8924b617a57035db1cd3eb0

SHA1
94f84b29f47762afa6f44b39dea910286381f296

SHA256
921db56e4de5605b3759de43727f62be0f4c158a2837cf08ff376c427b85bec8

SHA512
656c74a552e068e20f234a7f66fd49a2c2477b991385c563443856d0b1e7668cb79f839f06f846eed14cfb009dd0fb4b1ad9f96fd1d0313d38cfb6d213e68099

Download Submit
\ProgramData\service.exe

Filesize
80KB

MD5
b8d23f55d8924b617a57035db1cd3eb0

SHA1
94f84b29f47762afa6f44b39dea910286381f296

SHA256
921db56e4de5605b3759de43727f62be0f4c158a2837cf08ff376c427b85bec8

SHA512
656c74a552e068e20f234a7f66fd49a2c2477b991385c563443856d0b1e7668cb79f839f06f846eed14cfb009dd0fb4b1ad9f96fd1d0313d38cfb6d213e68099

Download Submit