smokeloader | 3bb98307c2020155ce2b4ff03c0e38a9882d83d643f3060e65e09bef2299dc38

Analysis

max time kernel
150s
max time network
57s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
29/03/2023, 05:32

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General

Target

3bb98307c2020155ce2b4ff03c0e38a9882d83d643f3060e65e09bef2299dc38.exe
Size

246KB
MD5

86d13df6970d4435814dd56a9b1ca6ee
SHA1

4d13d581db3991ca7b7c2f900e618c129fe44431
SHA256

3bb98307c2020155ce2b4ff03c0e38a9882d83d643f3060e65e09bef2299dc38
SHA512

a9ee1048e6385056e8003649232ed6eeab7f2e6056bd74ead0f46ba08b8601cef2dda37a1b422917b731d6ca06efb9a47a354d50a17832eaa9e09c40ce142a47
SSDEEP

3072:/5INVuYlL0antE7Tqa8E+SbiAgcReTHYybEhfAQh5T1YPnDA:uNVlL0amTR8EyxcYahT1YPn

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

Deletes itself 1 IoCs

pid	Process
3244	Process not Found

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	3bb98307c2020155ce2b4ff03c0e38a9882d83d643f3060e65e09bef2299dc38.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3bb98307c2020155ce2b4ff03c0e38a9882d83d643f3060e65e09bef2299dc38.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3bb98307c2020155ce2b4ff03c0e38a9882d83d643f3060e65e09bef2299dc38.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2460	3bb98307c2020155ce2b4ff03c0e38a9882d83d643f3060e65e09bef2299dc38.exe
2460	3bb98307c2020155ce2b4ff03c0e38a9882d83d643f3060e65e09bef2299dc38.exe
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3244	Process not Found

Suspicious behavior: MapViewOfSection 19 IoCs

pid	Process
2460	3bb98307c2020155ce2b4ff03c0e38a9882d83d643f3060e65e09bef2299dc38.exe
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found
3244	Process not Found

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3244 wrote to memory of 3360	3244	Process not Found	66
PID 3244 wrote to memory of 3360	3244	Process not Found	66
PID 3244 wrote to memory of 3360	3244	Process not Found	66
PID 3244 wrote to memory of 3360	3244	Process not Found	66
PID 3244 wrote to memory of 2072	3244	Process not Found	67
PID 3244 wrote to memory of 2072	3244	Process not Found	67
PID 3244 wrote to memory of 2072	3244	Process not Found	67
PID 3244 wrote to memory of 8	3244	Process not Found	68
PID 3244 wrote to memory of 8	3244	Process not Found	68
PID 3244 wrote to memory of 8	3244	Process not Found	68
PID 3244 wrote to memory of 8	3244	Process not Found	68
PID 3244 wrote to memory of 3376	3244	Process not Found	69
PID 3244 wrote to memory of 3376	3244	Process not Found	69
PID 3244 wrote to memory of 3376	3244	Process not Found	69
PID 3244 wrote to memory of 3352	3244	Process not Found	70
PID 3244 wrote to memory of 3352	3244	Process not Found	70
PID 3244 wrote to memory of 3352	3244	Process not Found	70
PID 3244 wrote to memory of 3352	3244	Process not Found	70
PID 3244 wrote to memory of 5020	3244	Process not Found	71
PID 3244 wrote to memory of 5020	3244	Process not Found	71
PID 3244 wrote to memory of 5020	3244	Process not Found	71
PID 3244 wrote to memory of 5020	3244	Process not Found	71
PID 3244 wrote to memory of 4600	3244	Process not Found	72
PID 3244 wrote to memory of 4600	3244	Process not Found	72
PID 3244 wrote to memory of 4600	3244	Process not Found	72
PID 3244 wrote to memory of 4600	3244	Process not Found	72
PID 3244 wrote to memory of 4616	3244	Process not Found	73
PID 3244 wrote to memory of 4616	3244	Process not Found	73
PID 3244 wrote to memory of 4616	3244	Process not Found	73
PID 3244 wrote to memory of 4620	3244	Process not Found	74
PID 3244 wrote to memory of 4620	3244	Process not Found	74
PID 3244 wrote to memory of 4620	3244	Process not Found	74
PID 3244 wrote to memory of 4620	3244	Process not Found	74

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\3bb98307c2020155ce2b4ff03c0e38a9882d83d643f3060e65e09bef2299dc38.exe
"C:\Users\Admin\AppData\Local\Temp\3bb98307c2020155ce2b4ff03c0e38a9882d83d643f3060e65e09bef2299dc38.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2460

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3360

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:2072

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:8

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:3376

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3352

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:5020

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4600

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:4616

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4620

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/8-137-0x0000000000EA0000-0x0000000000EA9000-memory.dmp

Filesize
36KB

Download
memory/8-160-0x0000000000D50000-0x0000000000D5F000-memory.dmp

Filesize
60KB

Download
memory/8-139-0x0000000000EA0000-0x0000000000EA9000-memory.dmp

Filesize
36KB

Download
memory/8-138-0x0000000000D50000-0x0000000000D5F000-memory.dmp

Filesize
60KB

Download
memory/2072-134-0x0000000000D50000-0x0000000000D5F000-memory.dmp

Filesize
60KB

Download
memory/2072-135-0x00000000007B0000-0x00000000007BB000-memory.dmp

Filesize
44KB

Download
memory/2072-136-0x0000000000D50000-0x0000000000D5F000-memory.dmp

Filesize
60KB

Download
memory/2072-159-0x00000000007B0000-0x00000000007BB000-memory.dmp

Filesize
44KB

Download
memory/2460-119-0x0000000000610000-0x0000000000619000-memory.dmp

Filesize
36KB

Download
memory/2460-121-0x0000000000400000-0x00000000004AC000-memory.dmp

Filesize
688KB

Download
memory/3244-120-0x00000000005B0000-0x00000000005C6000-memory.dmp

Filesize
88KB

Download
memory/3352-145-0x00000000006D0000-0x00000000006F7000-memory.dmp

Filesize
156KB

Download
memory/3352-143-0x00000000006D0000-0x00000000006F7000-memory.dmp

Filesize
156KB

Download
memory/3352-162-0x0000000000340000-0x000000000034C000-memory.dmp

Filesize
48KB

Download
memory/3352-144-0x0000000000340000-0x000000000034C000-memory.dmp

Filesize
48KB

Download
memory/3360-132-0x0000000000610000-0x0000000000619000-memory.dmp

Filesize
36KB

Download
memory/3360-158-0x0000000000610000-0x0000000000619000-memory.dmp

Filesize
36KB

Download
memory/3360-133-0x00000000007B0000-0x00000000007BB000-memory.dmp

Filesize
44KB

Download
memory/3360-131-0x00000000007B0000-0x00000000007BB000-memory.dmp

Filesize
44KB

Download
memory/3376-142-0x0000000000340000-0x000000000034C000-memory.dmp

Filesize
48KB

Download
memory/3376-161-0x0000000000EA0000-0x0000000000EA9000-memory.dmp

Filesize
36KB

Download
memory/3376-141-0x0000000000EA0000-0x0000000000EA9000-memory.dmp

Filesize
36KB

Download
memory/3376-140-0x0000000000340000-0x000000000034C000-memory.dmp

Filesize
48KB

Download
memory/4600-164-0x00000000008E0000-0x00000000008E9000-memory.dmp

Filesize
36KB

Download
memory/4600-149-0x0000000000770000-0x000000000077B000-memory.dmp

Filesize
44KB

Download
memory/4600-150-0x00000000008E0000-0x00000000008E9000-memory.dmp

Filesize
36KB

Download
memory/4600-151-0x0000000000770000-0x000000000077B000-memory.dmp

Filesize
44KB

Download
memory/4616-152-0x00000000001C0000-0x00000000001CD000-memory.dmp

Filesize
52KB

Download
memory/4616-153-0x0000000000770000-0x000000000077B000-memory.dmp

Filesize
44KB

Download
memory/4616-154-0x00000000001C0000-0x00000000001CD000-memory.dmp

Filesize
52KB

Download
memory/4616-165-0x0000000000770000-0x000000000077B000-memory.dmp

Filesize
44KB

Download
memory/4620-155-0x0000000000700000-0x000000000070B000-memory.dmp

Filesize
44KB

Download
memory/4620-157-0x0000000000700000-0x000000000070B000-memory.dmp

Filesize
44KB

Download
memory/4620-156-0x00000000001C0000-0x00000000001CD000-memory.dmp

Filesize
52KB

Download
memory/4620-166-0x00000000001C0000-0x00000000001CD000-memory.dmp

Filesize
52KB

Download
memory/5020-148-0x00000000008E0000-0x00000000008E9000-memory.dmp

Filesize
36KB

Download
memory/5020-163-0x00000000006D0000-0x00000000006F7000-memory.dmp

Filesize
156KB

Download
memory/5020-147-0x00000000006D0000-0x00000000006F7000-memory.dmp

Filesize
156KB

Download
memory/5020-146-0x00000000008E0000-0x00000000008E9000-memory.dmp

Filesize
36KB

Download