smokeloader | 417b8c94feeedac6abc847f4dc2bdc70b08b8b1d4d1df49c6c47729cc544e0a2

Analysis

max time kernel
150s
max time network
104s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
24-09-2022 13:13

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General

Target

417b8c94feeedac6abc847f4dc2bdc70b08b8b1d4d1df49c6c47729cc544e0a2.exe
Size

196KB
MD5

83efa151196f3eace4e4eb50c4dda39e
SHA1

84a443a408c8cb9dead9b5e9157919369acd4f19
SHA256

417b8c94feeedac6abc847f4dc2bdc70b08b8b1d4d1df49c6c47729cc544e0a2
SHA512

d6f647c1a4166a8b2d48fe0ebf502f599c2af93c727dad78f4200b804be5e135c6601cce30419d15e440586734f48e71f6e5778aa6317e2d3e80840de3d05cba
SSDEEP

3072:/15CL6BLMAbb5kT/tifDyUd5q+TIEQcbBxF/Pkk4x:qLmMNTVi2Ud5pf

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 5 IoCs

resource	yara_rule
behavioral1/memory/3728-140-0x0000000000700000-0x0000000000709000-memory.dmp	family_smokeloader
behavioral1/memory/1656-145-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1656-146-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/1656-154-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1656-178-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Deletes itself 1 IoCs

pid	Process
2076	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3728 set thread context of 1656	3728	417b8c94feeedac6abc847f4dc2bdc70b08b8b1d4d1df49c6c47729cc544e0a2.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 enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	417b8c94feeedac6abc847f4dc2bdc70b08b8b1d4d1df49c6c47729cc544e0a2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	417b8c94feeedac6abc847f4dc2bdc70b08b8b1d4d1df49c6c47729cc544e0a2.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	417b8c94feeedac6abc847f4dc2bdc70b08b8b1d4d1df49c6c47729cc544e0a2.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1656	417b8c94feeedac6abc847f4dc2bdc70b08b8b1d4d1df49c6c47729cc544e0a2.exe
1656	417b8c94feeedac6abc847f4dc2bdc70b08b8b1d4d1df49c6c47729cc544e0a2.exe
2076	Process not Found
2076	Process not Found
2076	Process not Found
2076	Process not Found
2076	Process not Found
2076	Process not Found
2076	Process not Found
2076	Process not Found
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2076	Process not Found
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2076	Process not Found
2076	Process not Found
2076	Process not Found
2076	Process not Found
2076	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2076	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1656	417b8c94feeedac6abc847f4dc2bdc70b08b8b1d4d1df49c6c47729cc544e0a2.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3728 wrote to memory of 1656	3728	417b8c94feeedac6abc847f4dc2bdc70b08b8b1d4d1df49c6c47729cc544e0a2.exe	66
PID 3728 wrote to memory of 1656	3728	417b8c94feeedac6abc847f4dc2bdc70b08b8b1d4d1df49c6c47729cc544e0a2.exe	66
PID 3728 wrote to memory of 1656	3728	417b8c94feeedac6abc847f4dc2bdc70b08b8b1d4d1df49c6c47729cc544e0a2.exe	66
PID 3728 wrote to memory of 1656	3728	417b8c94feeedac6abc847f4dc2bdc70b08b8b1d4d1df49c6c47729cc544e0a2.exe	66
PID 3728 wrote to memory of 1656	3728	417b8c94feeedac6abc847f4dc2bdc70b08b8b1d4d1df49c6c47729cc544e0a2.exe	66
PID 3728 wrote to memory of 1656	3728	417b8c94feeedac6abc847f4dc2bdc70b08b8b1d4d1df49c6c47729cc544e0a2.exe	66

C:\Users\Admin\AppData\Local\Temp\417b8c94feeedac6abc847f4dc2bdc70b08b8b1d4d1df49c6c47729cc544e0a2.exe
"C:\Users\Admin\AppData\Local\Temp\417b8c94feeedac6abc847f4dc2bdc70b08b8b1d4d1df49c6c47729cc544e0a2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3728
- C:\Users\Admin\AppData\Local\Temp\417b8c94feeedac6abc847f4dc2bdc70b08b8b1d4d1df49c6c47729cc544e0a2.exe
  "C:\Users\Admin\AppData\Local\Temp\417b8c94feeedac6abc847f4dc2bdc70b08b8b1d4d1df49c6c47729cc544e0a2.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:1656

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/1656-161-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-163-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-178-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1656-177-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-147-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-175-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-174-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-173-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-172-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-171-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-170-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-169-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-168-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-148-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-167-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-166-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-165-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-164-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-162-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-160-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-159-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-158-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-157-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-153-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-156-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-155-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-154-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1656-152-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-151-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-145-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1656-176-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/1656-150-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-118-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-144-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-130-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-143-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-142-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-141-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-140-0x0000000000700000-0x0000000000709000-memory.dmp

Filesize
36KB

Download
memory/3728-139-0x00000000007B6000-0x00000000007C6000-memory.dmp

Filesize
64KB

Download
memory/3728-138-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-137-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-135-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-136-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-116-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-149-0x00000000007B6000-0x00000000007C6000-memory.dmp

Filesize
64KB

Download
memory/3728-117-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-134-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-132-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-131-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-126-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-129-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-128-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-127-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-125-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-124-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-123-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-122-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-121-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-120-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-119-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download
memory/3728-133-0x0000000077C90000-0x0000000077E1E000-memory.dmp

Filesize
1.6MB

Download