smokeloader | 735ea8b6be688b5bef23df1ba51cd6f7165dcc4af65e50541880051833adf38c

Analysis

max time kernel
151s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
19/03/2023, 01:26

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General

Target

735ea8b6be688b5bef23df1ba51cd6f7165dcc4af65e50541880051833adf38c.exe
Size

330KB
MD5

0542ea217343e65ec0feb2a844b6014e
SHA1

67847d5094aa921f95d20b93d0dff892196828f2
SHA256

735ea8b6be688b5bef23df1ba51cd6f7165dcc4af65e50541880051833adf38c
SHA512

626edfb0a6cc4b1abe0ae6bd56c00edb9ca7f7dd95e93f4cc5a11a149d81b0178d91fab890b8d301da5d3424a804533576ca40a18a7d212453316df9bcbe5a90
SSDEEP

6144:zyOt1vL4Yzy0Zt900maZXbV6sFDIHKxhPH:31vsYzy0Zv0aXduqPH

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 queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	735ea8b6be688b5bef23df1ba51cd6f7165dcc4af65e50541880051833adf38c.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	735ea8b6be688b5bef23df1ba51cd6f7165dcc4af65e50541880051833adf38c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	735ea8b6be688b5bef23df1ba51cd6f7165dcc4af65e50541880051833adf38c.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
540	735ea8b6be688b5bef23df1ba51cd6f7165dcc4af65e50541880051833adf38c.exe
540	735ea8b6be688b5bef23df1ba51cd6f7165dcc4af65e50541880051833adf38c.exe
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3164	Process not Found

Suspicious behavior: MapViewOfSection 19 IoCs

pid	Process
540	735ea8b6be688b5bef23df1ba51cd6f7165dcc4af65e50541880051833adf38c.exe
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found
3164	Process not Found

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3164 wrote to memory of 4148	3164	Process not Found	90
PID 3164 wrote to memory of 4148	3164	Process not Found	90
PID 3164 wrote to memory of 4148	3164	Process not Found	90
PID 3164 wrote to memory of 4148	3164	Process not Found	90
PID 3164 wrote to memory of 1040	3164	Process not Found	91
PID 3164 wrote to memory of 1040	3164	Process not Found	91
PID 3164 wrote to memory of 1040	3164	Process not Found	91
PID 3164 wrote to memory of 3784	3164	Process not Found	92
PID 3164 wrote to memory of 3784	3164	Process not Found	92
PID 3164 wrote to memory of 3784	3164	Process not Found	92
PID 3164 wrote to memory of 3784	3164	Process not Found	92
PID 3164 wrote to memory of 4156	3164	Process not Found	93
PID 3164 wrote to memory of 4156	3164	Process not Found	93
PID 3164 wrote to memory of 4156	3164	Process not Found	93
PID 3164 wrote to memory of 4584	3164	Process not Found	94
PID 3164 wrote to memory of 4584	3164	Process not Found	94
PID 3164 wrote to memory of 4584	3164	Process not Found	94
PID 3164 wrote to memory of 4584	3164	Process not Found	94
PID 3164 wrote to memory of 2656	3164	Process not Found	95
PID 3164 wrote to memory of 2656	3164	Process not Found	95
PID 3164 wrote to memory of 2656	3164	Process not Found	95
PID 3164 wrote to memory of 2656	3164	Process not Found	95
PID 3164 wrote to memory of 3484	3164	Process not Found	97
PID 3164 wrote to memory of 3484	3164	Process not Found	97
PID 3164 wrote to memory of 3484	3164	Process not Found	97
PID 3164 wrote to memory of 3484	3164	Process not Found	97
PID 3164 wrote to memory of 5020	3164	Process not Found	98
PID 3164 wrote to memory of 5020	3164	Process not Found	98
PID 3164 wrote to memory of 5020	3164	Process not Found	98
PID 3164 wrote to memory of 464	3164	Process not Found	99
PID 3164 wrote to memory of 464	3164	Process not Found	99
PID 3164 wrote to memory of 464	3164	Process not Found	99
PID 3164 wrote to memory of 464	3164	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\735ea8b6be688b5bef23df1ba51cd6f7165dcc4af65e50541880051833adf38c.exe
"C:\Users\Admin\AppData\Local\Temp\735ea8b6be688b5bef23df1ba51cd6f7165dcc4af65e50541880051833adf38c.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:540

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4148

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1040

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3784

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:4156

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4584

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:2656

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3484

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

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:464

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/464-181-0x00000000010A0000-0x00000000010A8000-memory.dmp

Filesize
32KB

Download
memory/464-172-0x0000000001090000-0x000000000109B000-memory.dmp

Filesize
44KB

Download
memory/464-171-0x00000000010A0000-0x00000000010A8000-memory.dmp

Filesize
32KB

Download
memory/464-170-0x0000000001090000-0x000000000109B000-memory.dmp

Filesize
44KB

Download
memory/540-134-0x0000000002CA0000-0x0000000002CA9000-memory.dmp

Filesize
36KB

Download
memory/540-136-0x0000000000400000-0x0000000002B02000-memory.dmp

Filesize
39.0MB

Download
memory/1040-174-0x0000000000CE0000-0x0000000000CE9000-memory.dmp

Filesize
36KB

Download
memory/1040-149-0x0000000000CD0000-0x0000000000CDF000-memory.dmp

Filesize
60KB

Download
memory/1040-150-0x0000000000CE0000-0x0000000000CE9000-memory.dmp

Filesize
36KB

Download
memory/1040-151-0x0000000000CD0000-0x0000000000CDF000-memory.dmp

Filesize
60KB

Download
memory/2656-161-0x0000000000D80000-0x0000000000D89000-memory.dmp

Filesize
36KB

Download
memory/2656-162-0x0000000000D90000-0x0000000000D95000-memory.dmp

Filesize
20KB

Download
memory/2656-178-0x0000000000D90000-0x0000000000D95000-memory.dmp

Filesize
20KB

Download
memory/2656-163-0x0000000000D80000-0x0000000000D89000-memory.dmp

Filesize
36KB

Download
memory/3164-135-0x0000000001120000-0x0000000001136000-memory.dmp

Filesize
88KB

Download
memory/3484-179-0x0000000000DC0000-0x0000000000DC6000-memory.dmp

Filesize
24KB

Download
memory/3484-166-0x0000000000DB0000-0x0000000000DBB000-memory.dmp

Filesize
44KB

Download
memory/3484-165-0x0000000000DC0000-0x0000000000DC6000-memory.dmp

Filesize
24KB

Download
memory/3484-164-0x0000000000DB0000-0x0000000000DBB000-memory.dmp

Filesize
44KB

Download
memory/3784-175-0x0000000000DF0000-0x0000000000DF5000-memory.dmp

Filesize
20KB

Download
memory/3784-152-0x0000000000DE0000-0x0000000000DE9000-memory.dmp

Filesize
36KB

Download
memory/3784-154-0x0000000000DE0000-0x0000000000DE9000-memory.dmp

Filesize
36KB

Download
memory/3784-153-0x0000000000DF0000-0x0000000000DF5000-memory.dmp

Filesize
20KB

Download
memory/4148-148-0x00000000003D0000-0x00000000003DB000-memory.dmp

Filesize
44KB

Download
memory/4148-147-0x00000000003E0000-0x00000000003E7000-memory.dmp

Filesize
28KB

Download
memory/4148-146-0x00000000003D0000-0x00000000003DB000-memory.dmp

Filesize
44KB

Download
memory/4148-173-0x00000000003E0000-0x00000000003E7000-memory.dmp

Filesize
28KB

Download
memory/4156-176-0x00000000007E0000-0x00000000007E6000-memory.dmp

Filesize
24KB

Download
memory/4156-157-0x00000000007D0000-0x00000000007DC000-memory.dmp

Filesize
48KB

Download
memory/4156-156-0x00000000007E0000-0x00000000007E6000-memory.dmp

Filesize
24KB

Download
memory/4156-155-0x00000000007D0000-0x00000000007DC000-memory.dmp

Filesize
48KB

Download
memory/4584-159-0x0000000001000000-0x0000000001022000-memory.dmp

Filesize
136KB

Download
memory/4584-158-0x0000000000DB0000-0x0000000000DD7000-memory.dmp

Filesize
156KB

Download
memory/4584-160-0x0000000000DB0000-0x0000000000DD7000-memory.dmp

Filesize
156KB

Download
memory/4584-177-0x0000000001000000-0x0000000001022000-memory.dmp

Filesize
136KB

Download
memory/5020-169-0x00000000010F0000-0x00000000010FD000-memory.dmp

Filesize
52KB

Download
memory/5020-168-0x0000000001100000-0x0000000001107000-memory.dmp

Filesize
28KB

Download
memory/5020-167-0x00000000010F0000-0x00000000010FD000-memory.dmp

Filesize
52KB

Download
memory/5020-180-0x0000000001100000-0x0000000001107000-memory.dmp

Filesize
28KB

Download