smokeloader | 8867cd5abb472f44549dfd27d1c2fb233e955704585f4098d7fdaa57a922aded

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
12-09-2022 19:10

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General

Target

8867cd5abb472f44549dfd27d1c2fb233e955704585f4098d7fdaa57a922aded.exe
Size

264KB
MD5

090b88bbdc9449df3c8031b5dbab545c
SHA1

4af9e81ae23e30deaefdbf202c03db730a389efd
SHA256

8867cd5abb472f44549dfd27d1c2fb233e955704585f4098d7fdaa57a922aded
SHA512

d82eccdc705176de1842d00128b5d0570ff486821326971c5e4ed95c30320e878836a75eb98112a3565d929b55bb958409416c81df1ed8b21b55590012170e4a
SSDEEP

6144:V3XmwgOEzkAVI3yyEbFYlTmM0xFtxlYt6TnafLWJV:92/LzBC3yyEpYlTmM0ZxlegyW

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

resource	yara_rule
behavioral1/memory/4008-148-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4008-149-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/4008-178-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4008-180-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Deletes itself 1 IoCs

pid	Process
2064	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4328 set thread context of 4008	4328	8867cd5abb472f44549dfd27d1c2fb233e955704585f4098d7fdaa57a922aded.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 queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8867cd5abb472f44549dfd27d1c2fb233e955704585f4098d7fdaa57a922aded.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8867cd5abb472f44549dfd27d1c2fb233e955704585f4098d7fdaa57a922aded.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8867cd5abb472f44549dfd27d1c2fb233e955704585f4098d7fdaa57a922aded.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4008	8867cd5abb472f44549dfd27d1c2fb233e955704585f4098d7fdaa57a922aded.exe
4008	8867cd5abb472f44549dfd27d1c2fb233e955704585f4098d7fdaa57a922aded.exe
2064	Process not Found
2064	Process not Found
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2064	Process not Found
2064	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2064	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4008	8867cd5abb472f44549dfd27d1c2fb233e955704585f4098d7fdaa57a922aded.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4328 wrote to memory of 4008	4328	8867cd5abb472f44549dfd27d1c2fb233e955704585f4098d7fdaa57a922aded.exe	66
PID 4328 wrote to memory of 4008	4328	8867cd5abb472f44549dfd27d1c2fb233e955704585f4098d7fdaa57a922aded.exe	66
PID 4328 wrote to memory of 4008	4328	8867cd5abb472f44549dfd27d1c2fb233e955704585f4098d7fdaa57a922aded.exe	66
PID 4328 wrote to memory of 4008	4328	8867cd5abb472f44549dfd27d1c2fb233e955704585f4098d7fdaa57a922aded.exe	66
PID 4328 wrote to memory of 4008	4328	8867cd5abb472f44549dfd27d1c2fb233e955704585f4098d7fdaa57a922aded.exe	66
PID 4328 wrote to memory of 4008	4328	8867cd5abb472f44549dfd27d1c2fb233e955704585f4098d7fdaa57a922aded.exe	66

C:\Users\Admin\AppData\Local\Temp\8867cd5abb472f44549dfd27d1c2fb233e955704585f4098d7fdaa57a922aded.exe
"C:\Users\Admin\AppData\Local\Temp\8867cd5abb472f44549dfd27d1c2fb233e955704585f4098d7fdaa57a922aded.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4328
- C:\Users\Admin\AppData\Local\Temp\8867cd5abb472f44549dfd27d1c2fb233e955704585f4098d7fdaa57a922aded.exe
  "C:\Users\Admin\AppData\Local\Temp\8867cd5abb472f44549dfd27d1c2fb233e955704585f4098d7fdaa57a922aded.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:4008

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/4008-164-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-167-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-149-0x0000000000402DD8-mapping.dmp

Download
memory/4008-180-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4008-151-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-175-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-179-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-178-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4008-150-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-176-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-174-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-173-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-172-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-171-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-170-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-166-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-169-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-152-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-168-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-165-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-163-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-162-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-161-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-160-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-159-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-158-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-157-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-156-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-155-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-148-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4008-154-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-177-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4008-153-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-135-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-122-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-120-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-147-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-146-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-145-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-143-0x0000000000890000-0x000000000093E000-memory.dmp

Filesize
696KB

Download
memory/4328-144-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-141-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-142-0x0000000000890000-0x000000000093E000-memory.dmp

Filesize
696KB

Download
memory/4328-140-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-139-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-118-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-138-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-137-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-136-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-119-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-134-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-132-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-131-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-130-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-129-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-128-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-127-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-126-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-125-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-124-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-123-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download
memory/4328-121-0x00000000776D0000-0x000000007785E000-memory.dmp

Filesize
1.6MB

Download