smokeloader | 87c1317444d15330dc15efe48648658aeebd80a477f763f535695815a7848713

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
29/03/2023, 01:37

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General

Target

setup.exe
Size

293KB
MD5

c06f9aad75142dbab17566983724fa53
SHA1

d7d4bf3cb86fa67deffc916793bc70ea314a6f8f
SHA256

87c1317444d15330dc15efe48648658aeebd80a477f763f535695815a7848713
SHA512

976b59275e68cfec31c2a7975d8ca656f66096b02d2a10c42d03bc353b72d0fa9794c36db18cea8ccdf9b7c26dd599c1a548c67bd4217f12e26e5c4d823a18af
SSDEEP

3072:uUJ/+k9A2BOlMG9qx494GSsZ2k3s3EqV8x+rH2Cf+8QPMsN6qTWWvQfo:vXtBuV9qSfsERxSWCG8g8

Score

10^/10

smokeloader sprg backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

sprg

Extracted

Family

smokeloader

Version

2022

http://hoh0aeghwugh2gie.com/

http://hie7doodohpae4na.com/

http://aek0aicifaloh1yo.com/

http://yic0oosaeiy7ahng.com/

http://wa5zu7sekai8xeih.com/

rc4.i32

Signatures

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

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

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3856	setup.exe
3856	setup.exe
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3156	Process not Found

Suspicious behavior: MapViewOfSection 19 IoCs

pid	Process
3856	setup.exe
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found
3156	Process not Found

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3156 wrote to memory of 3448	3156	Process not Found	88
PID 3156 wrote to memory of 3448	3156	Process not Found	88
PID 3156 wrote to memory of 3448	3156	Process not Found	88
PID 3156 wrote to memory of 3448	3156	Process not Found	88
PID 3156 wrote to memory of 436	3156	Process not Found	89
PID 3156 wrote to memory of 436	3156	Process not Found	89
PID 3156 wrote to memory of 436	3156	Process not Found	89
PID 3156 wrote to memory of 2156	3156	Process not Found	90
PID 3156 wrote to memory of 2156	3156	Process not Found	90
PID 3156 wrote to memory of 2156	3156	Process not Found	90
PID 3156 wrote to memory of 2156	3156	Process not Found	90
PID 3156 wrote to memory of 1492	3156	Process not Found	91
PID 3156 wrote to memory of 1492	3156	Process not Found	91
PID 3156 wrote to memory of 1492	3156	Process not Found	91
PID 3156 wrote to memory of 1752	3156	Process not Found	92
PID 3156 wrote to memory of 1752	3156	Process not Found	92
PID 3156 wrote to memory of 1752	3156	Process not Found	92
PID 3156 wrote to memory of 1752	3156	Process not Found	92
PID 3156 wrote to memory of 1344	3156	Process not Found	93
PID 3156 wrote to memory of 1344	3156	Process not Found	93
PID 3156 wrote to memory of 1344	3156	Process not Found	93
PID 3156 wrote to memory of 1344	3156	Process not Found	93
PID 3156 wrote to memory of 5096	3156	Process not Found	94
PID 3156 wrote to memory of 5096	3156	Process not Found	94
PID 3156 wrote to memory of 5096	3156	Process not Found	94
PID 3156 wrote to memory of 5096	3156	Process not Found	94
PID 3156 wrote to memory of 1292	3156	Process not Found	95
PID 3156 wrote to memory of 1292	3156	Process not Found	95
PID 3156 wrote to memory of 1292	3156	Process not Found	95
PID 3156 wrote to memory of 2132	3156	Process not Found	96
PID 3156 wrote to memory of 2132	3156	Process not Found	96
PID 3156 wrote to memory of 2132	3156	Process not Found	96
PID 3156 wrote to memory of 2132	3156	Process not Found	96

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\setup.exe
"C:\Users\Admin\AppData\Local\Temp\setup.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3856

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3448

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:436

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:2156

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1492

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1752

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1344

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:5096

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1292

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:2132

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/436-174-0x0000000000C30000-0x0000000000C39000-memory.dmp

Filesize
36KB

Download
memory/436-151-0x0000000000C20000-0x0000000000C2F000-memory.dmp

Filesize
60KB

Download
memory/436-150-0x0000000000C30000-0x0000000000C39000-memory.dmp

Filesize
36KB

Download
memory/436-149-0x0000000000C20000-0x0000000000C2F000-memory.dmp

Filesize
60KB

Download
memory/1292-168-0x0000000000BF0000-0x0000000000BF7000-memory.dmp

Filesize
28KB

Download
memory/1292-167-0x0000000000BE0000-0x0000000000BED000-memory.dmp

Filesize
52KB

Download
memory/1292-169-0x0000000000BE0000-0x0000000000BED000-memory.dmp

Filesize
52KB

Download
memory/1292-180-0x0000000000BF0000-0x0000000000BF7000-memory.dmp

Filesize
28KB

Download
memory/1344-178-0x0000000001240000-0x0000000001245000-memory.dmp

Filesize
20KB

Download
memory/1344-163-0x0000000001230000-0x0000000001239000-memory.dmp

Filesize
36KB

Download
memory/1344-161-0x0000000001230000-0x0000000001239000-memory.dmp

Filesize
36KB

Download
memory/1344-162-0x0000000001240000-0x0000000001245000-memory.dmp

Filesize
20KB

Download
memory/1492-176-0x00000000009D0000-0x00000000009D6000-memory.dmp

Filesize
24KB

Download
memory/1492-155-0x00000000009C0000-0x00000000009CC000-memory.dmp

Filesize
48KB

Download
memory/1492-156-0x00000000009D0000-0x00000000009D6000-memory.dmp

Filesize
24KB

Download
memory/1492-157-0x00000000009C0000-0x00000000009CC000-memory.dmp

Filesize
48KB

Download
memory/1752-177-0x0000000000160000-0x0000000000182000-memory.dmp

Filesize
136KB

Download
memory/1752-158-0x0000000000130000-0x0000000000157000-memory.dmp

Filesize
156KB

Download
memory/1752-159-0x0000000000160000-0x0000000000182000-memory.dmp

Filesize
136KB

Download
memory/1752-160-0x0000000000130000-0x0000000000157000-memory.dmp

Filesize
156KB

Download
memory/2132-170-0x00000000012B0000-0x00000000012BB000-memory.dmp

Filesize
44KB

Download
memory/2132-171-0x00000000012C0000-0x00000000012C8000-memory.dmp

Filesize
32KB

Download
memory/2132-181-0x00000000012C0000-0x00000000012C8000-memory.dmp

Filesize
32KB

Download
memory/2132-172-0x00000000012B0000-0x00000000012BB000-memory.dmp

Filesize
44KB

Download
memory/2156-153-0x0000000000A40000-0x0000000000A45000-memory.dmp

Filesize
20KB

Download
memory/2156-175-0x0000000000A40000-0x0000000000A45000-memory.dmp

Filesize
20KB

Download
memory/2156-152-0x0000000000A30000-0x0000000000A39000-memory.dmp

Filesize
36KB

Download
memory/2156-154-0x0000000000A30000-0x0000000000A39000-memory.dmp

Filesize
36KB

Download
memory/3156-135-0x00000000007B0000-0x00000000007C6000-memory.dmp

Filesize
88KB

Download
memory/3448-148-0x0000000000150000-0x000000000015B000-memory.dmp

Filesize
44KB

Download
memory/3448-173-0x0000000000160000-0x0000000000167000-memory.dmp

Filesize
28KB

Download
memory/3448-147-0x0000000000160000-0x0000000000167000-memory.dmp

Filesize
28KB

Download
memory/3448-146-0x0000000000150000-0x000000000015B000-memory.dmp

Filesize
44KB

Download
memory/3856-136-0x0000000000400000-0x0000000002B76000-memory.dmp

Filesize
39.5MB

Download
memory/3856-134-0x00000000001F0000-0x00000000001F9000-memory.dmp

Filesize
36KB

Download
memory/5096-164-0x0000000000A30000-0x0000000000A3B000-memory.dmp

Filesize
44KB

Download
memory/5096-166-0x0000000000A30000-0x0000000000A3B000-memory.dmp

Filesize
44KB

Download
memory/5096-179-0x0000000000A40000-0x0000000000A46000-memory.dmp

Filesize
24KB

Download
memory/5096-165-0x0000000000A40000-0x0000000000A46000-memory.dmp

Filesize
24KB

Download