smokeloader | ecf505c4260349befe0e6e52e560c5f1a6fdb4785cfb8c5201c9a91914447747

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
16/09/2022, 11:48

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General

Target

ecf505c4260349befe0e6e52e560c5f1a6fdb4785cfb8c5201c9a91914447747.exe
Size

266KB
MD5

420f55d4c76e1359ce3c2a00957e845c
SHA1

db006a9bf29e158bec6eb9c80f4bb7bdd2e6d56f
SHA256

ecf505c4260349befe0e6e52e560c5f1a6fdb4785cfb8c5201c9a91914447747
SHA512

70d157a772602088d0442b6cce4befcfbbeff61c0238272669bccea667fa9d81862ee3012f77a94c7c51dc563eed134e7c4763e61c3612d5fdae743e30ba0924
SSDEEP

3072:sXH5ZONbFA5IL58xQs37d4fbSXexu+hkMdTVJJ0KheHUltM/h3BsxkgaBChU6e:oSbTL654fbSOo+SoDJ00eutniga

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 5 IoCs

resource	yara_rule
behavioral1/memory/1892-143-0x00000000005B0000-0x00000000005B9000-memory.dmp	family_smokeloader
behavioral1/memory/4724-145-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4724-146-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/4724-158-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4724-178-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Deletes itself 1 IoCs

pid	Process
3064	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1892 set thread context of 4724	1892	ecf505c4260349befe0e6e52e560c5f1a6fdb4785cfb8c5201c9a91914447747.exe	67

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	ecf505c4260349befe0e6e52e560c5f1a6fdb4785cfb8c5201c9a91914447747.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ecf505c4260349befe0e6e52e560c5f1a6fdb4785cfb8c5201c9a91914447747.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ecf505c4260349befe0e6e52e560c5f1a6fdb4785cfb8c5201c9a91914447747.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4724	ecf505c4260349befe0e6e52e560c5f1a6fdb4785cfb8c5201c9a91914447747.exe
4724	ecf505c4260349befe0e6e52e560c5f1a6fdb4785cfb8c5201c9a91914447747.exe
3064	Process not Found
3064	Process not Found
3064	Process not Found
3064	Process not Found
3064	Process not Found
3064	Process not Found
3064	Process not Found
3064	Process not Found
3064	Process not Found
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3064	Process not Found
3064	Process not Found
3064	Process not Found
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3064	Process not Found
3064	Process not Found
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3064	Process not Found
3064	Process not Found
3064	Process not Found
3064	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3064	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4724	ecf505c4260349befe0e6e52e560c5f1a6fdb4785cfb8c5201c9a91914447747.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1892 wrote to memory of 4724	1892	ecf505c4260349befe0e6e52e560c5f1a6fdb4785cfb8c5201c9a91914447747.exe	67
PID 1892 wrote to memory of 4724	1892	ecf505c4260349befe0e6e52e560c5f1a6fdb4785cfb8c5201c9a91914447747.exe	67
PID 1892 wrote to memory of 4724	1892	ecf505c4260349befe0e6e52e560c5f1a6fdb4785cfb8c5201c9a91914447747.exe	67
PID 1892 wrote to memory of 4724	1892	ecf505c4260349befe0e6e52e560c5f1a6fdb4785cfb8c5201c9a91914447747.exe	67
PID 1892 wrote to memory of 4724	1892	ecf505c4260349befe0e6e52e560c5f1a6fdb4785cfb8c5201c9a91914447747.exe	67
PID 1892 wrote to memory of 4724	1892	ecf505c4260349befe0e6e52e560c5f1a6fdb4785cfb8c5201c9a91914447747.exe	67

C:\Users\Admin\AppData\Local\Temp\ecf505c4260349befe0e6e52e560c5f1a6fdb4785cfb8c5201c9a91914447747.exe
"C:\Users\Admin\AppData\Local\Temp\ecf505c4260349befe0e6e52e560c5f1a6fdb4785cfb8c5201c9a91914447747.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1892
- C:\Users\Admin\AppData\Local\Temp\ecf505c4260349befe0e6e52e560c5f1a6fdb4785cfb8c5201c9a91914447747.exe
  "C:\Users\Admin\AppData\Local\Temp\ecf505c4260349befe0e6e52e560c5f1a6fdb4785cfb8c5201c9a91914447747.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:4724

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/1892-116-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-117-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-118-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-119-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-120-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-121-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-122-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-123-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-124-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-125-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-126-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-127-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-128-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-129-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-130-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-131-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-132-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-133-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-134-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-135-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-136-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-137-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-138-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-139-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-141-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-140-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-142-0x0000000000728000-0x0000000000739000-memory.dmp

Filesize
68KB

Download
memory/1892-143-0x00000000005B0000-0x00000000005B9000-memory.dmp

Filesize
36KB

Download
memory/1892-144-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1892-149-0x0000000000728000-0x0000000000739000-memory.dmp

Filesize
68KB

Download
memory/4724-145-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4724-147-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-148-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-150-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-151-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-152-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-153-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-154-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-155-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-156-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-157-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-159-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-158-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4724-160-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-161-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-162-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-163-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-164-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-165-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-166-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-167-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-168-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-169-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-170-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-171-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-172-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-173-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-174-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-175-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-176-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-177-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/4724-178-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download