smokeloader | 34c4d594923fa863fc0d7e35b917e4e3158f34d6b20bfbca561dbb52c4b5d158

Analysis

max time kernel
150s
max time network
147s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
18/12/2022, 18:44

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General

Target

34c4d594923fa863fc0d7e35b917e4e3158f34d6b20bfbca561dbb52c4b5d158.exe
Size

214KB
MD5

3f2ef86f68141bdeedb120135efd9d59
SHA1

5fcd7fc6fb3c7472d666bcca7380f4c2e446a3f8
SHA256

34c4d594923fa863fc0d7e35b917e4e3158f34d6b20bfbca561dbb52c4b5d158
SHA512

2f8eaf927a64bfb598b0a6747c8df67d2108d96fa5da81afd0030d0037eca90843ceb31a789ad6745eb0cdc0418045967ba09f056f34cf4112b2e0f5bacb77cc
SSDEEP

6144:nUBNL+x21jWFtfi0UVZZ+Pq0r0zVzepjcbXF:nUBNSxA6FY8Pq0mKYbXF

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 5 IoCs

resource	yara_rule
behavioral1/memory/2336-145-0x00000000005C0000-0x00000000005C9000-memory.dmp	family_smokeloader
behavioral1/memory/4040-147-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4040-148-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/4040-163-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4040-180-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Deletes itself 1 IoCs

pid	Process
3024	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2336 set thread context of 4040	2336	34c4d594923fa863fc0d7e35b917e4e3158f34d6b20bfbca561dbb52c4b5d158.exe	66

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	34c4d594923fa863fc0d7e35b917e4e3158f34d6b20bfbca561dbb52c4b5d158.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	34c4d594923fa863fc0d7e35b917e4e3158f34d6b20bfbca561dbb52c4b5d158.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	34c4d594923fa863fc0d7e35b917e4e3158f34d6b20bfbca561dbb52c4b5d158.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4040	34c4d594923fa863fc0d7e35b917e4e3158f34d6b20bfbca561dbb52c4b5d158.exe
4040	34c4d594923fa863fc0d7e35b917e4e3158f34d6b20bfbca561dbb52c4b5d158.exe
3024	Process not Found
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3024	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3024	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4040	34c4d594923fa863fc0d7e35b917e4e3158f34d6b20bfbca561dbb52c4b5d158.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 4040	2336	34c4d594923fa863fc0d7e35b917e4e3158f34d6b20bfbca561dbb52c4b5d158.exe	66
PID 2336 wrote to memory of 4040	2336	34c4d594923fa863fc0d7e35b917e4e3158f34d6b20bfbca561dbb52c4b5d158.exe	66
PID 2336 wrote to memory of 4040	2336	34c4d594923fa863fc0d7e35b917e4e3158f34d6b20bfbca561dbb52c4b5d158.exe	66
PID 2336 wrote to memory of 4040	2336	34c4d594923fa863fc0d7e35b917e4e3158f34d6b20bfbca561dbb52c4b5d158.exe	66
PID 2336 wrote to memory of 4040	2336	34c4d594923fa863fc0d7e35b917e4e3158f34d6b20bfbca561dbb52c4b5d158.exe	66
PID 2336 wrote to memory of 4040	2336	34c4d594923fa863fc0d7e35b917e4e3158f34d6b20bfbca561dbb52c4b5d158.exe	66

C:\Users\Admin\AppData\Local\Temp\34c4d594923fa863fc0d7e35b917e4e3158f34d6b20bfbca561dbb52c4b5d158.exe
"C:\Users\Admin\AppData\Local\Temp\34c4d594923fa863fc0d7e35b917e4e3158f34d6b20bfbca561dbb52c4b5d158.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Users\Admin\AppData\Local\Temp\34c4d594923fa863fc0d7e35b917e4e3158f34d6b20bfbca561dbb52c4b5d158.exe
  "C:\Users\Admin\AppData\Local\Temp\34c4d594923fa863fc0d7e35b917e4e3158f34d6b20bfbca561dbb52c4b5d158.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:4040

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2336-118-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-119-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-120-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-121-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-122-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-123-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-124-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-125-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-126-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-127-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-128-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-129-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-130-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-131-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-132-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-133-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-134-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-135-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-136-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-138-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-137-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-139-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-140-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-141-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-142-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-143-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-145-0x00000000005C0000-0x00000000005C9000-memory.dmp

Filesize
36KB

Download
memory/2336-146-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-144-0x0000000000786000-0x0000000000796000-memory.dmp

Filesize
64KB

Download
memory/2336-151-0x0000000000786000-0x0000000000796000-memory.dmp

Filesize
64KB

Download
memory/4040-147-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4040-149-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-150-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-152-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-154-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-155-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-153-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-156-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-158-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-157-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-159-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-160-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-161-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-163-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4040-162-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-164-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-165-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-166-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-167-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-168-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-169-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-170-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-171-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-172-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-173-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-174-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-175-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-176-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-177-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-178-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-179-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4040-180-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download