smokeloader | 778da7b7fe5ce9d8754a3e46333490344b1ab8f8284fd908cda8608c351a81a6

Analysis

max time kernel
150s
max time network
75s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
27/09/2022, 17:59

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

778da7b7fe5ce9d8754a3e46333490344b1ab8f8284fd908cda8608c351a81a6.exe
Size

328KB
MD5

2c7dd32b667a98af61854cae283b3880
SHA1

9dbb3a72a2fac91f01c2127ee9575350f9f00345
SHA256

778da7b7fe5ce9d8754a3e46333490344b1ab8f8284fd908cda8608c351a81a6
SHA512

ab96efa18fc97060440c908e24a92132e10c4af78ab141865403ebf49377ff13d54046e3c61d70829ca3fe3f36e42c25e3502078923bb66724d3a3c54abbdf30
SSDEEP

6144:EPH+lrVgZXqBQXKWUUM7pc47v0gVWnigabwVfs:EPHM5gZaMKkM764YKWiB

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 5 IoCs

resource	yara_rule
behavioral1/memory/2728-150-0x00000000004F0000-0x00000000004F9000-memory.dmp	family_smokeloader
behavioral1/memory/3764-145-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/3764-144-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/3764-164-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/3764-178-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Deletes itself 1 IoCs

pid	Process
2312	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2728 set thread context of 3764	2728	778da7b7fe5ce9d8754a3e46333490344b1ab8f8284fd908cda8608c351a81a6.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	778da7b7fe5ce9d8754a3e46333490344b1ab8f8284fd908cda8608c351a81a6.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	778da7b7fe5ce9d8754a3e46333490344b1ab8f8284fd908cda8608c351a81a6.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	778da7b7fe5ce9d8754a3e46333490344b1ab8f8284fd908cda8608c351a81a6.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3764	778da7b7fe5ce9d8754a3e46333490344b1ab8f8284fd908cda8608c351a81a6.exe
3764	778da7b7fe5ce9d8754a3e46333490344b1ab8f8284fd908cda8608c351a81a6.exe
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found
2312	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2312	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
3764	778da7b7fe5ce9d8754a3e46333490344b1ab8f8284fd908cda8608c351a81a6.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 3764	2728	778da7b7fe5ce9d8754a3e46333490344b1ab8f8284fd908cda8608c351a81a6.exe	66
PID 2728 wrote to memory of 3764	2728	778da7b7fe5ce9d8754a3e46333490344b1ab8f8284fd908cda8608c351a81a6.exe	66
PID 2728 wrote to memory of 3764	2728	778da7b7fe5ce9d8754a3e46333490344b1ab8f8284fd908cda8608c351a81a6.exe	66
PID 2728 wrote to memory of 3764	2728	778da7b7fe5ce9d8754a3e46333490344b1ab8f8284fd908cda8608c351a81a6.exe	66
PID 2728 wrote to memory of 3764	2728	778da7b7fe5ce9d8754a3e46333490344b1ab8f8284fd908cda8608c351a81a6.exe	66
PID 2728 wrote to memory of 3764	2728	778da7b7fe5ce9d8754a3e46333490344b1ab8f8284fd908cda8608c351a81a6.exe	66

C:\Users\Admin\AppData\Local\Temp\778da7b7fe5ce9d8754a3e46333490344b1ab8f8284fd908cda8608c351a81a6.exe
"C:\Users\Admin\AppData\Local\Temp\778da7b7fe5ce9d8754a3e46333490344b1ab8f8284fd908cda8608c351a81a6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Users\Admin\AppData\Local\Temp\778da7b7fe5ce9d8754a3e46333490344b1ab8f8284fd908cda8608c351a81a6.exe
  "C:\Users\Admin\AppData\Local\Temp\778da7b7fe5ce9d8754a3e46333490344b1ab8f8284fd908cda8608c351a81a6.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:3764

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

Loading Replay Monitor...

Downloads

memory/2728-115-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-116-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-117-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-118-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-119-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-120-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-121-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-122-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-124-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-125-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-126-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-127-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-128-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-129-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-130-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-132-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-133-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-135-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-136-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-137-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-139-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-138-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-134-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-131-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-123-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-140-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-141-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-142-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-143-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/2728-148-0x000000000071C000-0x000000000072D000-memory.dmp

Filesize
68KB

Download
memory/2728-150-0x00000000004F0000-0x00000000004F9000-memory.dmp

Filesize
36KB

Download
memory/3764-147-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-149-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-151-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-152-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-146-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-144-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3764-153-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-154-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-155-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-156-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-157-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-158-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-159-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-160-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-161-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-162-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-163-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-165-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-166-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-164-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3764-167-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-168-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-169-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-170-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-171-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-172-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-173-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-174-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-175-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-176-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-177-0x0000000077D30000-0x0000000077EBE000-memory.dmp

Filesize
1.6MB

Download
memory/3764-178-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download