smokeloader | 344a4c4462ceaf3c4fe5834bc833d4039e287a1f23abe77eb12a991ee4210948

Analysis

max time kernel
150s
max time network
59s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
16/02/2023, 03:34

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General

Target

344a4c4462ceaf3c4fe5834bc833d4039e287a1f23abe77eb12a991ee4210948.exe
Size

204KB
MD5

37259045d151e550432de1709310c2f5
SHA1

1bf0dd3779825e9a3978e6a7abd186ba86858529
SHA256

344a4c4462ceaf3c4fe5834bc833d4039e287a1f23abe77eb12a991ee4210948
SHA512

0e3c98580564c197e533eb5deda52eecbfa00260c5ab2a4297218fa1ff6fae9c64714c0ab187ed69cd9788242d42a6767b3e8754512e14d6c78c7313de0bf45f
SSDEEP

3072:rYkUfrqMFYMoVONClgp9yQFr/jswFJu71hb1OchSeo0Alp3B9Ejp/reLzQ:EHfrqQNmw0QOwjYf1OchSeo0Alyjpi

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

resource	yara_rule
behavioral1/memory/3304-159-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/3304-158-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/3304-169-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/3304-190-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Deletes itself 1 IoCs

pid	Process
2056	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2656 set thread context of 3304	2656	344a4c4462ceaf3c4fe5834bc833d4039e287a1f23abe77eb12a991ee4210948.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	344a4c4462ceaf3c4fe5834bc833d4039e287a1f23abe77eb12a991ee4210948.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	344a4c4462ceaf3c4fe5834bc833d4039e287a1f23abe77eb12a991ee4210948.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	344a4c4462ceaf3c4fe5834bc833d4039e287a1f23abe77eb12a991ee4210948.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3304	344a4c4462ceaf3c4fe5834bc833d4039e287a1f23abe77eb12a991ee4210948.exe
3304	344a4c4462ceaf3c4fe5834bc833d4039e287a1f23abe77eb12a991ee4210948.exe
2056	Process not Found
2056	Process not Found
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2056	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2056	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3304	344a4c4462ceaf3c4fe5834bc833d4039e287a1f23abe77eb12a991ee4210948.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 3304	2656	344a4c4462ceaf3c4fe5834bc833d4039e287a1f23abe77eb12a991ee4210948.exe	66
PID 2656 wrote to memory of 3304	2656	344a4c4462ceaf3c4fe5834bc833d4039e287a1f23abe77eb12a991ee4210948.exe	66
PID 2656 wrote to memory of 3304	2656	344a4c4462ceaf3c4fe5834bc833d4039e287a1f23abe77eb12a991ee4210948.exe	66
PID 2656 wrote to memory of 3304	2656	344a4c4462ceaf3c4fe5834bc833d4039e287a1f23abe77eb12a991ee4210948.exe	66
PID 2656 wrote to memory of 3304	2656	344a4c4462ceaf3c4fe5834bc833d4039e287a1f23abe77eb12a991ee4210948.exe	66
PID 2656 wrote to memory of 3304	2656	344a4c4462ceaf3c4fe5834bc833d4039e287a1f23abe77eb12a991ee4210948.exe	66

C:\Users\Admin\AppData\Local\Temp\344a4c4462ceaf3c4fe5834bc833d4039e287a1f23abe77eb12a991ee4210948.exe
"C:\Users\Admin\AppData\Local\Temp\344a4c4462ceaf3c4fe5834bc833d4039e287a1f23abe77eb12a991ee4210948.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2656
- C:\Users\Admin\AppData\Local\Temp\344a4c4462ceaf3c4fe5834bc833d4039e287a1f23abe77eb12a991ee4210948.exe
  "C:\Users\Admin\AppData\Local\Temp\344a4c4462ceaf3c4fe5834bc833d4039e287a1f23abe77eb12a991ee4210948.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:3304

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/2656-120-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-121-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-122-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-124-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-123-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-126-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-125-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-127-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-128-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-129-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-131-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-132-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-133-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-130-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-134-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-135-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-136-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-137-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-138-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-139-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-140-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-141-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-142-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-143-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-144-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-146-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-148-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-149-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-151-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-150-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-147-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-145-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-153-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-154-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-155-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-156-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/2656-157-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-160-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-161-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-158-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3304-163-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-165-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-164-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-166-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-167-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-162-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-169-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3304-168-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-170-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-171-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-172-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-174-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-173-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-175-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-176-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-177-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-178-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-179-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-180-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-181-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-182-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-183-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-184-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-185-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-186-0x0000000077BA0000-0x0000000077D2E000-memory.dmp

Filesize
1.6MB

Download
memory/3304-190-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download