smokeloader | 70ebcfc4e4c91d8e688c57217810997c7ccfb554d258c810cc517ce804655c57

Analysis

max time kernel
150s
max time network
67s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
09-10-2022 02:57

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General

Target

70ebcfc4e4c91d8e688c57217810997c7ccfb554d258c810cc517ce804655c57.exe
Size

269KB
MD5

353e868d0beaf0a5bda01f4fed7fa201
SHA1

d5ae38f92e7678cf5810945e8e6445a3eaa9bf9a
SHA256

70ebcfc4e4c91d8e688c57217810997c7ccfb554d258c810cc517ce804655c57
SHA512

450fb1b0e9be97f3a8f0eeccaf5673fd7eb8c607fb34f1781cb645456a1bcade597ad5934ff7b6faede767f3f9b03f8e96eddd0691f4ae484c5c9116603e0aa6
SSDEEP

3072:9XK5+4Ozq562I4CUAeJHk5UCrh5QDCmbZ0qApq1t53KJFiSDZO97ZEM/h3qpZa9f:5G+VoIX8k5JmbYpq1t94HZO9GrwVfX

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 5 IoCs

resource	yara_rule
behavioral1/memory/3640-147-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/2436-149-0x00000000001D0000-0x00000000001D9000-memory.dmp	family_smokeloader
behavioral1/memory/3640-148-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/3640-167-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/3640-180-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Deletes itself 1 IoCs

pid	Process
2320	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2436 set thread context of 3640	2436	70ebcfc4e4c91d8e688c57217810997c7ccfb554d258c810cc517ce804655c57.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	70ebcfc4e4c91d8e688c57217810997c7ccfb554d258c810cc517ce804655c57.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	70ebcfc4e4c91d8e688c57217810997c7ccfb554d258c810cc517ce804655c57.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	70ebcfc4e4c91d8e688c57217810997c7ccfb554d258c810cc517ce804655c57.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3640	70ebcfc4e4c91d8e688c57217810997c7ccfb554d258c810cc517ce804655c57.exe
3640	70ebcfc4e4c91d8e688c57217810997c7ccfb554d258c810cc517ce804655c57.exe
2320	Process not Found
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2320	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3640	70ebcfc4e4c91d8e688c57217810997c7ccfb554d258c810cc517ce804655c57.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 3640	2436	70ebcfc4e4c91d8e688c57217810997c7ccfb554d258c810cc517ce804655c57.exe	66
PID 2436 wrote to memory of 3640	2436	70ebcfc4e4c91d8e688c57217810997c7ccfb554d258c810cc517ce804655c57.exe	66
PID 2436 wrote to memory of 3640	2436	70ebcfc4e4c91d8e688c57217810997c7ccfb554d258c810cc517ce804655c57.exe	66
PID 2436 wrote to memory of 3640	2436	70ebcfc4e4c91d8e688c57217810997c7ccfb554d258c810cc517ce804655c57.exe	66
PID 2436 wrote to memory of 3640	2436	70ebcfc4e4c91d8e688c57217810997c7ccfb554d258c810cc517ce804655c57.exe	66
PID 2436 wrote to memory of 3640	2436	70ebcfc4e4c91d8e688c57217810997c7ccfb554d258c810cc517ce804655c57.exe	66

C:\Users\Admin\AppData\Local\Temp\70ebcfc4e4c91d8e688c57217810997c7ccfb554d258c810cc517ce804655c57.exe
"C:\Users\Admin\AppData\Local\Temp\70ebcfc4e4c91d8e688c57217810997c7ccfb554d258c810cc517ce804655c57.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Users\Admin\AppData\Local\Temp\70ebcfc4e4c91d8e688c57217810997c7ccfb554d258c810cc517ce804655c57.exe
  "C:\Users\Admin\AppData\Local\Temp\70ebcfc4e4c91d8e688c57217810997c7ccfb554d258c810cc517ce804655c57.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:3640

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/2436-118-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-119-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-120-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-121-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-122-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-123-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-124-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-125-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-126-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-128-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-127-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-129-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-130-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-131-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-133-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-132-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-134-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-135-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-137-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-138-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-136-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-139-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-141-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-142-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-143-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-144-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-145-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-146-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/2436-149-0x00000000001D0000-0x00000000001D9000-memory.dmp

Filesize
36KB

Download
memory/3640-148-0x0000000000402DD8-mapping.dmp

Download
memory/3640-165-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-150-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-151-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-152-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-153-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-154-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-155-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-156-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-157-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-158-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-159-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-160-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-161-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-162-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-163-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-164-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-147-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3640-167-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3640-166-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-169-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-168-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-170-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-171-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-172-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-173-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-174-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-175-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-176-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-177-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-178-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-179-0x0000000077830000-0x00000000779BE000-memory.dmp

Filesize
1.6MB

Download
memory/3640-180-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download