smokeloader | 85eb01aa1b07ba7f2e6c0b5e6f9722456d3a26c93a981a636e71948c17149171

Analysis

max time kernel
133s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05/11/2024, 12:45

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General

Target

85eb01aa1b07ba7f2e6c0b5e6f9722456d3a26c93a981a636e71948c17149171.exe
Size

265KB
MD5

386a3a0b43c69504d6d67667de4b86a9
SHA1

bb4c143521f97766ace6e0255abe10ba64f52dfc
SHA256

85eb01aa1b07ba7f2e6c0b5e6f9722456d3a26c93a981a636e71948c17149171
SHA512

028203a526774d5384eb50d1c073fd9fbf8125b0e483addb1cb711c3a12bdc4962a04fe6c68725beeadf1fe19342f08538d1e50fdbe2f2e443c5b058f659a093
SSDEEP

6144:FLmnFd+RdO+wLKZae5A5V7AIPNJDqjSgLSO:qD+RdO+zZa6AhPNCn

Score

10^/10

smokeloader 7777 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

7777

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3344 set thread context of 2676	3344	85eb01aa1b07ba7f2e6c0b5e6f9722456d3a26c93a981a636e71948c17149171.exe	86

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	85eb01aa1b07ba7f2e6c0b5e6f9722456d3a26c93a981a636e71948c17149171.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	85eb01aa1b07ba7f2e6c0b5e6f9722456d3a26c93a981a636e71948c17149171.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	85eb01aa1b07ba7f2e6c0b5e6f9722456d3a26c93a981a636e71948c17149171.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	85eb01aa1b07ba7f2e6c0b5e6f9722456d3a26c93a981a636e71948c17149171.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3344 wrote to memory of 2676	3344	85eb01aa1b07ba7f2e6c0b5e6f9722456d3a26c93a981a636e71948c17149171.exe	86
PID 3344 wrote to memory of 2676	3344	85eb01aa1b07ba7f2e6c0b5e6f9722456d3a26c93a981a636e71948c17149171.exe	86
PID 3344 wrote to memory of 2676	3344	85eb01aa1b07ba7f2e6c0b5e6f9722456d3a26c93a981a636e71948c17149171.exe	86
PID 3344 wrote to memory of 2676	3344	85eb01aa1b07ba7f2e6c0b5e6f9722456d3a26c93a981a636e71948c17149171.exe	86
PID 3344 wrote to memory of 2676	3344	85eb01aa1b07ba7f2e6c0b5e6f9722456d3a26c93a981a636e71948c17149171.exe	86
PID 3344 wrote to memory of 2676	3344	85eb01aa1b07ba7f2e6c0b5e6f9722456d3a26c93a981a636e71948c17149171.exe	86

C:\Users\Admin\AppData\Local\Temp\85eb01aa1b07ba7f2e6c0b5e6f9722456d3a26c93a981a636e71948c17149171.exe
"C:\Users\Admin\AppData\Local\Temp\85eb01aa1b07ba7f2e6c0b5e6f9722456d3a26c93a981a636e71948c17149171.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3344
- C:\Users\Admin\AppData\Local\Temp\85eb01aa1b07ba7f2e6c0b5e6f9722456d3a26c93a981a636e71948c17149171.exe
  "C:\Users\Admin\AppData\Local\Temp\85eb01aa1b07ba7f2e6c0b5e6f9722456d3a26c93a981a636e71948c17149171.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:2676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2676-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2676-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2676-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3344-2-0x0000000002C70000-0x0000000002C7A000-memory.dmp

Filesize
40KB

Download
memory/3344-1-0x0000000002C90000-0x0000000002D90000-memory.dmp

Filesize
1024KB

Download