smokeloader | 38bc13ef112b2f17d4d1a80243fac6a521b5d58228984aae0752d79487fa3b66

Resubmissions

25-01-2025 13:32

250125-qtfjeawpap 10

25-01-2025 13:32

24-01-2025 13:12

18-01-2025 16:31

17-01-2025 20:27

17-01-2025 10:48

Analysis

max time kernel
109s
max time network
114s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250113-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250113-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
17-01-2025 20:27

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General

Target

2019-09-02_22-41-10.exe
Size

251KB
MD5

924aa6c26f6f43e0893a40728eac3b32
SHA1

baa9b4c895b09d315ed747b3bd087f4583aa84fc
SHA256

30f9db1f5838abb6c1580fdfb7f5dcfd7c2ac8cfac50c2edd0c8415d66212c95
SHA512

3cb6fd659aff46eaa62b0e647ccebeecb070ba0bb27e1cc037b33caf23c417e75f476e1c08e1b5f3b232c4640995ae5afa43bfd09252d318fe5eec0d18de830a
SSDEEP

6144:2E5sHpScP2xeQhp4wGoqPKNDF50AsurB:PsHIiQv4gBNDFiTuF

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
3584	2019-09-02_22-41-10.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4688 set thread context of 3584	4688	2019-09-02_22-41-10.exe	81

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	2019-09-02_22-41-10.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	2019-09-02_22-41-10.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2019-09-02_22-41-10.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2019-09-02_22-41-10.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4688 wrote to memory of 3584	4688	2019-09-02_22-41-10.exe	81
PID 4688 wrote to memory of 3584	4688	2019-09-02_22-41-10.exe	81
PID 4688 wrote to memory of 3584	4688	2019-09-02_22-41-10.exe	81
PID 4688 wrote to memory of 3584	4688	2019-09-02_22-41-10.exe	81
PID 4688 wrote to memory of 3584	4688	2019-09-02_22-41-10.exe	81
PID 4688 wrote to memory of 3584	4688	2019-09-02_22-41-10.exe	81

C:\Users\Admin\AppData\Local\Temp\2019-09-02_22-41-10.exe
"C:\Users\Admin\AppData\Local\Temp\2019-09-02_22-41-10.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4688
- C:\Users\Admin\AppData\Local\Temp\2019-09-02_22-41-10.exe
  "C:\Users\Admin\AppData\Local\Temp\2019-09-02_22-41-10.exe"
  2⤵
  - Loads dropped DLL
  - Checks SCSI registry key(s)
  PID:3584

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\D47F.tmp

Filesize
1.6MB

MD5
52db2f93c0c0ecd56c166dd00ab0f5b2

SHA1
527141b01e79c0e8e3946cb782d7ad484c8d8019

SHA256
3735bc3f50423eb89bcb62948751f63057e70b7eab38570dbfed043877ed5d81

SHA512
67d3d9ccfa13a62979dfec74bb91cbf702026f77f5dcf73c539396c1129d46605686d6ba2c855ea3096622421e0d01652d983ac2d950c306dcc168630571178b

Download Submit
memory/3584-3-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3584-4-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3584-8-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4688-1-0x00000000009B0000-0x0000000000AB0000-memory.dmp

Filesize
1024KB

Download
memory/4688-2-0x00000000001F0000-0x00000000001FB000-memory.dmp

Filesize
44KB

Download