smokeloader | 71c2dd3ba18d34c2611ca0ffb07fe59ace240b26b79c37b1ebfd3412a4060d01

Analysis

max time kernel
150s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
19-03-2023 17:35

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General

Target

1ab7a51b9a0cadfa15ac2ac17b3f02181082cf33837e8d9e74faed52b6324689.exe
Size

300KB
MD5

1ec4811e3e49423273f174a796df10f7
SHA1

0619748930b0b78b83efe2b0decc406a572f8651
SHA256

1ab7a51b9a0cadfa15ac2ac17b3f02181082cf33837e8d9e74faed52b6324689
SHA512

dd78b7912954971cf1560a96481a1bc56a0780c710a01666560119ba39d7968f0e6267a249fdad3ee7bf1de99fc27f7d6194e9763eca8d095d274dd2a8d7603b
SSDEEP

3072:X+cx5EpLNoGdqpWfoaZ6/ahi5kbneWwqeA8S/W9LwtSLm+DpTq2I3wK:X3x5EpLKG8owaA/V+qqeATe9Lwt0mYZ

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	1ab7a51b9a0cadfa15ac2ac17b3f02181082cf33837e8d9e74faed52b6324689.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1ab7a51b9a0cadfa15ac2ac17b3f02181082cf33837e8d9e74faed52b6324689.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1ab7a51b9a0cadfa15ac2ac17b3f02181082cf33837e8d9e74faed52b6324689.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Process not Found
Key created	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Process not Found

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
5036	1ab7a51b9a0cadfa15ac2ac17b3f02181082cf33837e8d9e74faed52b6324689.exe
5036	1ab7a51b9a0cadfa15ac2ac17b3f02181082cf33837e8d9e74faed52b6324689.exe
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3144	Process not Found

Suspicious behavior: MapViewOfSection 19 IoCs

pid	Process
5036	1ab7a51b9a0cadfa15ac2ac17b3f02181082cf33837e8d9e74faed52b6324689.exe
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found
3144	Process not Found

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3144	Process not Found
Token: SeCreatePagefilePrivilege	3144	Process not Found
Token: SeShutdownPrivilege	3144	Process not Found
Token: SeCreatePagefilePrivilege	3144	Process not Found

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3144 wrote to memory of 4724	3144	Process not Found	92
PID 3144 wrote to memory of 4724	3144	Process not Found	92
PID 3144 wrote to memory of 4724	3144	Process not Found	92
PID 3144 wrote to memory of 4724	3144	Process not Found	92
PID 3144 wrote to memory of 1808	3144	Process not Found	93
PID 3144 wrote to memory of 1808	3144	Process not Found	93
PID 3144 wrote to memory of 1808	3144	Process not Found	93
PID 3144 wrote to memory of 4732	3144	Process not Found	94
PID 3144 wrote to memory of 4732	3144	Process not Found	94
PID 3144 wrote to memory of 4732	3144	Process not Found	94
PID 3144 wrote to memory of 4732	3144	Process not Found	94
PID 3144 wrote to memory of 4392	3144	Process not Found	95
PID 3144 wrote to memory of 4392	3144	Process not Found	95
PID 3144 wrote to memory of 4392	3144	Process not Found	95
PID 3144 wrote to memory of 3808	3144	Process not Found	96
PID 3144 wrote to memory of 3808	3144	Process not Found	96
PID 3144 wrote to memory of 3808	3144	Process not Found	96
PID 3144 wrote to memory of 3808	3144	Process not Found	96
PID 3144 wrote to memory of 1624	3144	Process not Found	97
PID 3144 wrote to memory of 1624	3144	Process not Found	97
PID 3144 wrote to memory of 1624	3144	Process not Found	97
PID 3144 wrote to memory of 1624	3144	Process not Found	97
PID 3144 wrote to memory of 4452	3144	Process not Found	98
PID 3144 wrote to memory of 4452	3144	Process not Found	98
PID 3144 wrote to memory of 4452	3144	Process not Found	98
PID 3144 wrote to memory of 4452	3144	Process not Found	98
PID 3144 wrote to memory of 3192	3144	Process not Found	100
PID 3144 wrote to memory of 3192	3144	Process not Found	100
PID 3144 wrote to memory of 3192	3144	Process not Found	100
PID 3144 wrote to memory of 4720	3144	Process not Found	101
PID 3144 wrote to memory of 4720	3144	Process not Found	101
PID 3144 wrote to memory of 4720	3144	Process not Found	101
PID 3144 wrote to memory of 4720	3144	Process not Found	101

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\1ab7a51b9a0cadfa15ac2ac17b3f02181082cf33837e8d9e74faed52b6324689.exe
"C:\Users\Admin\AppData\Local\Temp\1ab7a51b9a0cadfa15ac2ac17b3f02181082cf33837e8d9e74faed52b6324689.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:5036

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4724

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1808

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4732

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:4392

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3808

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1624

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4452

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:3192

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4720

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/1624-178-0x0000000000840000-0x0000000000867000-memory.dmp

Filesize
156KB

Download
memory/1624-164-0x0000000000800000-0x0000000000809000-memory.dmp

Filesize
36KB

Download
memory/1624-163-0x0000000000840000-0x0000000000867000-memory.dmp

Filesize
156KB

Download
memory/1624-162-0x0000000000800000-0x0000000000809000-memory.dmp

Filesize
36KB

Download
memory/1808-150-0x0000000000530000-0x000000000053F000-memory.dmp

Filesize
60KB

Download
memory/1808-151-0x0000000001240000-0x000000000124B000-memory.dmp

Filesize
44KB

Download
memory/1808-152-0x0000000000530000-0x000000000053F000-memory.dmp

Filesize
60KB

Download
memory/1808-175-0x0000000001240000-0x000000000124B000-memory.dmp

Filesize
44KB

Download
memory/3144-135-0x0000000002AB0000-0x0000000002AC6000-memory.dmp

Filesize
88KB

Download
memory/3192-180-0x00000000010C0000-0x00000000010CB000-memory.dmp

Filesize
44KB

Download
memory/3192-168-0x0000000000DB0000-0x0000000000DBD000-memory.dmp

Filesize
52KB

Download
memory/3192-170-0x0000000000DB0000-0x0000000000DBD000-memory.dmp

Filesize
52KB

Download
memory/3192-169-0x00000000010C0000-0x00000000010CB000-memory.dmp

Filesize
44KB

Download
memory/3808-161-0x0000000000840000-0x0000000000867000-memory.dmp

Filesize
156KB

Download
memory/3808-159-0x0000000000840000-0x0000000000867000-memory.dmp

Filesize
156KB

Download
memory/3808-160-0x00000000006A0000-0x00000000006AC000-memory.dmp

Filesize
48KB

Download
memory/3808-177-0x00000000006A0000-0x00000000006AC000-memory.dmp

Filesize
48KB

Download
memory/4392-158-0x00000000006A0000-0x00000000006AC000-memory.dmp

Filesize
48KB

Download
memory/4392-157-0x0000000001020000-0x0000000001029000-memory.dmp

Filesize
36KB

Download
memory/4392-156-0x00000000006A0000-0x00000000006AC000-memory.dmp

Filesize
48KB

Download
memory/4452-179-0x0000000000800000-0x0000000000809000-memory.dmp

Filesize
36KB

Download
memory/4452-165-0x00000000010C0000-0x00000000010CB000-memory.dmp

Filesize
44KB

Download
memory/4452-166-0x0000000000800000-0x0000000000809000-memory.dmp

Filesize
36KB

Download
memory/4452-167-0x00000000010C0000-0x00000000010CB000-memory.dmp

Filesize
44KB

Download
memory/4720-171-0x0000000000DC0000-0x0000000000DCB000-memory.dmp

Filesize
44KB

Download
memory/4720-172-0x0000000000DB0000-0x0000000000DBD000-memory.dmp

Filesize
52KB

Download
memory/4720-173-0x0000000000DC0000-0x0000000000DCB000-memory.dmp

Filesize
44KB

Download
memory/4724-174-0x0000000002CB0000-0x0000000002CB9000-memory.dmp

Filesize
36KB

Download
memory/4724-148-0x0000000001240000-0x000000000124B000-memory.dmp

Filesize
44KB

Download
memory/4724-147-0x0000000002CB0000-0x0000000002CB9000-memory.dmp

Filesize
36KB

Download
memory/4724-146-0x0000000001240000-0x000000000124B000-memory.dmp

Filesize
44KB

Download
memory/4732-155-0x0000000001020000-0x0000000001029000-memory.dmp

Filesize
36KB

Download
memory/4732-154-0x0000000000530000-0x000000000053F000-memory.dmp

Filesize
60KB

Download
memory/4732-153-0x0000000001020000-0x0000000001029000-memory.dmp

Filesize
36KB

Download
memory/4732-176-0x0000000000530000-0x000000000053F000-memory.dmp

Filesize
60KB

Download
memory/5036-134-0x0000000002CB0000-0x0000000002CB9000-memory.dmp

Filesize
36KB

Download
memory/5036-136-0x0000000000400000-0x0000000002AFB000-memory.dmp

Filesize
39.0MB

Download