smokeloader | ecfe9651f2848c5fdebfedc91e998b1cb2c3a546b3f80dd5507b6b00acee1869

Analysis

max time kernel
150s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
26/03/2023, 01:12

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General

Target

setup.exe
Size

273KB
MD5

15247b34ea738f74c3a4e8e23d67a639
SHA1

65b0a8439615fddb1c62166c2a5b3b965f94ea97
SHA256

ecfe9651f2848c5fdebfedc91e998b1cb2c3a546b3f80dd5507b6b00acee1869
SHA512

8e60616cb9b676dff4d1255fdc17da2da5c68990ea79d0a4dce7e900b25383ca2f8631194391b23174979efb13429bd82617a7bd2d0f47120a34aaf1a7b6125a
SSDEEP

3072:C/06DPTRE43XAqvWv89KXWmrhEoPmLfFHk8R5TPotA5iHi9CJQN0fm2Rh:lkE4nh9KXHYfF95cteiCsTfz

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

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
8	setup.exe
8	setup.exe
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2616	Process not Found

Suspicious behavior: MapViewOfSection 19 IoCs

pid	Process
8	setup.exe
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found
2616	Process not Found

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 3892	2616	Process not Found	91
PID 2616 wrote to memory of 3892	2616	Process not Found	91
PID 2616 wrote to memory of 3892	2616	Process not Found	91
PID 2616 wrote to memory of 3892	2616	Process not Found	91
PID 2616 wrote to memory of 4416	2616	Process not Found	92
PID 2616 wrote to memory of 4416	2616	Process not Found	92
PID 2616 wrote to memory of 4416	2616	Process not Found	92
PID 2616 wrote to memory of 4968	2616	Process not Found	93
PID 2616 wrote to memory of 4968	2616	Process not Found	93
PID 2616 wrote to memory of 4968	2616	Process not Found	93
PID 2616 wrote to memory of 4968	2616	Process not Found	93
PID 2616 wrote to memory of 1060	2616	Process not Found	94
PID 2616 wrote to memory of 1060	2616	Process not Found	94
PID 2616 wrote to memory of 1060	2616	Process not Found	94
PID 2616 wrote to memory of 2212	2616	Process not Found	95
PID 2616 wrote to memory of 2212	2616	Process not Found	95
PID 2616 wrote to memory of 2212	2616	Process not Found	95
PID 2616 wrote to memory of 2212	2616	Process not Found	95
PID 2616 wrote to memory of 3684	2616	Process not Found	96
PID 2616 wrote to memory of 3684	2616	Process not Found	96
PID 2616 wrote to memory of 3684	2616	Process not Found	96
PID 2616 wrote to memory of 3684	2616	Process not Found	96
PID 2616 wrote to memory of 4700	2616	Process not Found	97
PID 2616 wrote to memory of 4700	2616	Process not Found	97
PID 2616 wrote to memory of 4700	2616	Process not Found	97
PID 2616 wrote to memory of 4700	2616	Process not Found	97
PID 2616 wrote to memory of 4976	2616	Process not Found	98
PID 2616 wrote to memory of 4976	2616	Process not Found	98
PID 2616 wrote to memory of 4976	2616	Process not Found	98
PID 2616 wrote to memory of 4520	2616	Process not Found	99
PID 2616 wrote to memory of 4520	2616	Process not Found	99
PID 2616 wrote to memory of 4520	2616	Process not Found	99
PID 2616 wrote to memory of 4520	2616	Process not Found	99

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:8

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3892

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:4416

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4968

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1060

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:2212

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3684

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4700

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:4976

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4520

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/8-136-0x0000000000400000-0x0000000002B71000-memory.dmp

Filesize
39.4MB

Download
memory/8-134-0x0000000002C60000-0x0000000002C69000-memory.dmp

Filesize
36KB

Download
memory/1060-155-0x0000000000D70000-0x0000000000D7C000-memory.dmp

Filesize
48KB

Download
memory/1060-157-0x0000000000D70000-0x0000000000D7C000-memory.dmp

Filesize
48KB

Download
memory/1060-156-0x0000000000710000-0x0000000000719000-memory.dmp

Filesize
36KB

Download
memory/2212-160-0x0000000000C00000-0x0000000000C27000-memory.dmp

Filesize
156KB

Download
memory/2212-158-0x0000000000C00000-0x0000000000C27000-memory.dmp

Filesize
156KB

Download
memory/2212-159-0x0000000000D70000-0x0000000000D7C000-memory.dmp

Filesize
48KB

Download
memory/2616-135-0x0000000002C00000-0x0000000002C16000-memory.dmp

Filesize
88KB

Download
memory/3684-173-0x0000000000C00000-0x0000000000C27000-memory.dmp

Filesize
156KB

Download
memory/3684-161-0x0000000000A50000-0x0000000000A59000-memory.dmp

Filesize
36KB

Download
memory/3684-162-0x0000000000C00000-0x0000000000C27000-memory.dmp

Filesize
156KB

Download
memory/3684-163-0x0000000000A50000-0x0000000000A59000-memory.dmp

Filesize
36KB

Download
memory/3892-146-0x0000000000B60000-0x0000000000B6B000-memory.dmp

Filesize
44KB

Download
memory/3892-148-0x0000000000B60000-0x0000000000B6B000-memory.dmp

Filesize
44KB

Download
memory/3892-147-0x0000000002C60000-0x0000000002C69000-memory.dmp

Filesize
36KB

Download
memory/4416-151-0x0000000000980000-0x000000000098F000-memory.dmp

Filesize
60KB

Download
memory/4416-150-0x0000000000B60000-0x0000000000B6B000-memory.dmp

Filesize
44KB

Download
memory/4416-149-0x0000000000980000-0x000000000098F000-memory.dmp

Filesize
60KB

Download
memory/4416-171-0x0000000000B60000-0x0000000000B6B000-memory.dmp

Filesize
44KB

Download
memory/4520-169-0x00000000008B0000-0x00000000008BB000-memory.dmp

Filesize
44KB

Download
memory/4520-176-0x0000000000890000-0x000000000089D000-memory.dmp

Filesize
52KB

Download
memory/4520-170-0x00000000008B0000-0x00000000008BB000-memory.dmp

Filesize
44KB

Download
memory/4700-174-0x0000000000A50000-0x0000000000A59000-memory.dmp

Filesize
36KB

Download
memory/4700-164-0x0000000000150000-0x000000000015B000-memory.dmp

Filesize
44KB

Download
memory/4700-165-0x0000000000150000-0x000000000015B000-memory.dmp

Filesize
44KB

Download
memory/4968-172-0x0000000000980000-0x000000000098F000-memory.dmp

Filesize
60KB

Download
memory/4968-154-0x0000000000710000-0x0000000000719000-memory.dmp

Filesize
36KB

Download
memory/4968-152-0x0000000000710000-0x0000000000719000-memory.dmp

Filesize
36KB

Download
memory/4968-153-0x0000000000980000-0x000000000098F000-memory.dmp

Filesize
60KB

Download
memory/4976-168-0x0000000000890000-0x000000000089D000-memory.dmp

Filesize
52KB

Download
memory/4976-167-0x0000000000150000-0x000000000015B000-memory.dmp

Filesize
44KB

Download
memory/4976-166-0x0000000000890000-0x000000000089D000-memory.dmp

Filesize
52KB

Download
memory/4976-175-0x0000000000150000-0x000000000015B000-memory.dmp

Filesize
44KB

Download