smokeloader | 4e5306c69c14a7ba23281fecd358f347c458cffb15cba63668c0cb58361a9ad6

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
29-09-2022 19:31

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General

Target

4e5306c69c14a7ba23281fecd358f347c458cffb15cba63668c0cb58361a9ad6.exe
Size

285KB
MD5

793121d87dc590f2b528966cea6fc741
SHA1

6bccbf7e1b2618e1c05d3c64354b923122858909
SHA256

4e5306c69c14a7ba23281fecd358f347c458cffb15cba63668c0cb58361a9ad6
SHA512

39728f4155d7a89034bb987c1aaa05f786a2a456438a45a430566a81e8ee6e602bfec203a6629f1853f7029051dac943ea7fb26f8629f3909d9f7c626a3cb046
SSDEEP

3072:/1AXhLXRk3ir8QkuY4cuYnEZ5dLesJY6Vt6gguqNqV3WrxpzbgqruO0KuCsdhpZW:/6M3irYuTug3V3uzbgwuO0VhwVfgbR

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 5 IoCs

resource	yara_rule
behavioral1/memory/4364-145-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/4364-144-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/2704-148-0x0000000000580000-0x0000000000589000-memory.dmp	family_smokeloader
behavioral1/memory/4364-164-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4364-178-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Deletes itself 1 IoCs

pid	Process
2028	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2704 set thread context of 4364	2704	4e5306c69c14a7ba23281fecd358f347c458cffb15cba63668c0cb58361a9ad6.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	4e5306c69c14a7ba23281fecd358f347c458cffb15cba63668c0cb58361a9ad6.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4e5306c69c14a7ba23281fecd358f347c458cffb15cba63668c0cb58361a9ad6.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4e5306c69c14a7ba23281fecd358f347c458cffb15cba63668c0cb58361a9ad6.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4364	4e5306c69c14a7ba23281fecd358f347c458cffb15cba63668c0cb58361a9ad6.exe
4364	4e5306c69c14a7ba23281fecd358f347c458cffb15cba63668c0cb58361a9ad6.exe
2028	Process not Found
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2028	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4364	4e5306c69c14a7ba23281fecd358f347c458cffb15cba63668c0cb58361a9ad6.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 4364	2704	4e5306c69c14a7ba23281fecd358f347c458cffb15cba63668c0cb58361a9ad6.exe	66
PID 2704 wrote to memory of 4364	2704	4e5306c69c14a7ba23281fecd358f347c458cffb15cba63668c0cb58361a9ad6.exe	66
PID 2704 wrote to memory of 4364	2704	4e5306c69c14a7ba23281fecd358f347c458cffb15cba63668c0cb58361a9ad6.exe	66
PID 2704 wrote to memory of 4364	2704	4e5306c69c14a7ba23281fecd358f347c458cffb15cba63668c0cb58361a9ad6.exe	66
PID 2704 wrote to memory of 4364	2704	4e5306c69c14a7ba23281fecd358f347c458cffb15cba63668c0cb58361a9ad6.exe	66
PID 2704 wrote to memory of 4364	2704	4e5306c69c14a7ba23281fecd358f347c458cffb15cba63668c0cb58361a9ad6.exe	66

C:\Users\Admin\AppData\Local\Temp\4e5306c69c14a7ba23281fecd358f347c458cffb15cba63668c0cb58361a9ad6.exe
"C:\Users\Admin\AppData\Local\Temp\4e5306c69c14a7ba23281fecd358f347c458cffb15cba63668c0cb58361a9ad6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2704
- C:\Users\Admin\AppData\Local\Temp\4e5306c69c14a7ba23281fecd358f347c458cffb15cba63668c0cb58361a9ad6.exe
  "C:\Users\Admin\AppData\Local\Temp\4e5306c69c14a7ba23281fecd358f347c458cffb15cba63668c0cb58361a9ad6.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:4364

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/2704-148-0x0000000000580000-0x0000000000589000-memory.dmp

Filesize
36KB

Download
memory/2704-129-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-118-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-119-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-120-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-121-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-122-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-123-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-124-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-125-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-126-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-128-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-127-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-116-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-130-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-131-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-132-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-133-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-134-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-135-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-137-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-136-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-138-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-139-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-140-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-141-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-142-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-143-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-117-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2704-147-0x00000000006FB000-0x000000000070C000-memory.dmp

Filesize
68KB

Download
memory/4364-152-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-153-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-144-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4364-151-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-146-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-162-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-154-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-163-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-155-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-156-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-157-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-158-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-164-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4364-160-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-150-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-161-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-176-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-159-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-166-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-165-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-167-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-168-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-169-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-170-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-171-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-172-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-173-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-174-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-175-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-149-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-177-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/4364-178-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download