smokeloader | 9f3c46c4d9856b0b6036e1798f1ad22d91ab5809ca97211373b962f0a05352ae

General

Target

setup.exe
Size

305KB
MD5

7153a161818859a8793fd899129316e1
SHA1

0f7897476df446e2ebb5ab31288ec7326b94a5c3
SHA256

9f3c46c4d9856b0b6036e1798f1ad22d91ab5809ca97211373b962f0a05352ae
SHA512

8c9aecf79d598d391c2adb5d811c6ef875db8ab816cdf2652992c3b71a1d6f1c335e442cc54e9bab39a8b30918c1bae6d5d83499daf3c2bed45d113006eadea9
SSDEEP

3072:ZC+dcVZgf1DGAxOoGsY00UOH+yUs3nW+UfkSD7cWGQXBPSJEloTAWvQfo:NdLf1DlHG60UInlSDwnQXBl9

Score

10^/10

smokeloader sprg backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

sprg

Extracted

Family

smokeloader

Version

2022

C2

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
Executes dropped EXE 1 IoCs

Processes:

sgwasju

pid process

856 sgwasju

pid	process
856	sgwasju

Checks SCSI registry key(s) 3 TTPs 6 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

setup.exesgwasju

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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	sgwasju
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	sgwasju
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	sgwasju

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

setup.exe

pid	process
880	setup.exe
880	setup.exe
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672
672

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

672
Suspicious behavior: MapViewOfSection 20 IoCs

Processes:

setup.exesgwasju

pid process

880 setup.exe
672
672
672
672
672
672
672
672
672
672
672
672
856 sgwasju
672
672
672
672
672
672

pid	process
672

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

description	pid	target process
PID 672 wrote to memory of 732	672	explorer.exe
PID 672 wrote to memory of 732	672	explorer.exe
PID 672 wrote to memory of 732	672	explorer.exe
PID 672 wrote to memory of 732	672	explorer.exe
PID 672 wrote to memory of 1320	672	explorer.exe
PID 672 wrote to memory of 1320	672	explorer.exe
PID 672 wrote to memory of 1320	672	explorer.exe
PID 672 wrote to memory of 2336	672	explorer.exe
PID 672 wrote to memory of 2336	672	explorer.exe
PID 672 wrote to memory of 2336	672	explorer.exe
PID 672 wrote to memory of 2336	672	explorer.exe
PID 672 wrote to memory of 2276	672	explorer.exe
PID 672 wrote to memory of 2276	672	explorer.exe
PID 672 wrote to memory of 2276	672	explorer.exe
PID 672 wrote to memory of 548	672	explorer.exe
PID 672 wrote to memory of 548	672	explorer.exe
PID 672 wrote to memory of 548	672	explorer.exe
PID 672 wrote to memory of 548	672	explorer.exe
PID 672 wrote to memory of 100	672	explorer.exe
PID 672 wrote to memory of 100	672	explorer.exe
PID 672 wrote to memory of 100	672	explorer.exe
PID 672 wrote to memory of 100	672	explorer.exe
PID 672 wrote to memory of 3220	672	explorer.exe
PID 672 wrote to memory of 3220	672	explorer.exe
PID 672 wrote to memory of 3220	672	explorer.exe
PID 672 wrote to memory of 3220	672	explorer.exe
PID 672 wrote to memory of 3184	672	explorer.exe
PID 672 wrote to memory of 3184	672	explorer.exe
PID 672 wrote to memory of 3184	672	explorer.exe
PID 672 wrote to memory of 4396	672	explorer.exe
PID 672 wrote to memory of 4396	672	explorer.exe
PID 672 wrote to memory of 4396	672	explorer.exe
PID 672 wrote to memory of 4396	672	explorer.exe

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:880

C:\Users\Admin\AppData\Roaming\sgwasju
C:\Users\Admin\AppData\Roaming\sgwasju
1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:856

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:732

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1320

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:2336

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:2276

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:548

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:100

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3220

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:3184

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4396

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\sgwasju
Filesize
305KB

MD5
7153a161818859a8793fd899129316e1

SHA1
0f7897476df446e2ebb5ab31288ec7326b94a5c3

SHA256
9f3c46c4d9856b0b6036e1798f1ad22d91ab5809ca97211373b962f0a05352ae

SHA512
8c9aecf79d598d391c2adb5d811c6ef875db8ab816cdf2652992c3b71a1d6f1c335e442cc54e9bab39a8b30918c1bae6d5d83499daf3c2bed45d113006eadea9

Download Submit
C:\Users\Admin\AppData\Roaming\sgwasju
Filesize
305KB

MD5
7153a161818859a8793fd899129316e1

SHA1
0f7897476df446e2ebb5ab31288ec7326b94a5c3

SHA256
9f3c46c4d9856b0b6036e1798f1ad22d91ab5809ca97211373b962f0a05352ae

SHA512
8c9aecf79d598d391c2adb5d811c6ef875db8ab816cdf2652992c3b71a1d6f1c335e442cc54e9bab39a8b30918c1bae6d5d83499daf3c2bed45d113006eadea9

Download Submit
memory/100-185-0x00000000007A0000-0x00000000007A5000-memory.dmp

Filesize
20KB

Download
memory/100-170-0x0000000000790000-0x0000000000799000-memory.dmp

Filesize
36KB

Download
memory/100-164-0x0000000000790000-0x0000000000799000-memory.dmp

Filesize
36KB

Download
memory/100-169-0x00000000007A0000-0x00000000007A5000-memory.dmp

Filesize
20KB

Download
memory/548-162-0x0000000000D50000-0x0000000000D72000-memory.dmp

Filesize
136KB

Download
memory/548-161-0x0000000000D20000-0x0000000000D47000-memory.dmp

Filesize
156KB

Download
memory/548-163-0x0000000000D20000-0x0000000000D47000-memory.dmp

Filesize
156KB

Download
memory/548-184-0x0000000000D50000-0x0000000000D72000-memory.dmp

Filesize
136KB

Download
memory/672-135-0x0000000000D00000-0x0000000000D16000-memory.dmp

Filesize
88KB

Download
memory/672-165-0x0000000002AD0000-0x0000000002AE6000-memory.dmp

Filesize
88KB

Download
memory/732-151-0x0000000000790000-0x000000000079B000-memory.dmp

Filesize
44KB

Download
memory/732-180-0x00000000007A0000-0x00000000007A7000-memory.dmp

Filesize
28KB

Download
memory/732-150-0x00000000007A0000-0x00000000007A7000-memory.dmp

Filesize
28KB

Download
memory/732-148-0x0000000000790000-0x000000000079B000-memory.dmp

Filesize
44KB

Download
memory/856-168-0x0000000000400000-0x0000000002B79000-memory.dmp

Filesize
39.5MB

Download
memory/880-134-0x00000000001F0000-0x00000000001F9000-memory.dmp

Filesize
36KB

Download
memory/880-136-0x0000000000400000-0x0000000002B79000-memory.dmp

Filesize
39.5MB

Download
memory/1320-154-0x0000000000930000-0x000000000093F000-memory.dmp

Filesize
60KB

Download
memory/1320-152-0x0000000000930000-0x000000000093F000-memory.dmp

Filesize
60KB

Download
memory/1320-153-0x0000000000940000-0x0000000000949000-memory.dmp

Filesize
36KB

Download
memory/1320-181-0x0000000000940000-0x0000000000949000-memory.dmp

Filesize
36KB

Download
memory/2276-160-0x00000000001B0000-0x00000000001BC000-memory.dmp

Filesize
48KB

Download
memory/2276-158-0x00000000001B0000-0x00000000001BC000-memory.dmp

Filesize
48KB

Download
memory/2276-183-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2276-159-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2336-155-0x0000000000D60000-0x0000000000D69000-memory.dmp

Filesize
36KB

Download
memory/2336-157-0x0000000000D60000-0x0000000000D69000-memory.dmp

Filesize
36KB

Download
memory/2336-156-0x0000000000D70000-0x0000000000D75000-memory.dmp

Filesize
20KB

Download
memory/2336-182-0x0000000000D70000-0x0000000000D75000-memory.dmp

Filesize
20KB

Download
memory/3184-176-0x0000000001210000-0x000000000121D000-memory.dmp

Filesize
52KB

Download
memory/3184-175-0x0000000001220000-0x0000000001227000-memory.dmp

Filesize
28KB

Download
memory/3184-174-0x0000000001210000-0x000000000121D000-memory.dmp

Filesize
52KB

Download
memory/3184-187-0x0000000001220000-0x0000000001227000-memory.dmp

Filesize
28KB

Download
memory/3220-173-0x00000000010F0000-0x00000000010FB000-memory.dmp

Filesize
44KB

Download
memory/3220-172-0x0000000001100000-0x0000000001106000-memory.dmp

Filesize
24KB

Download
memory/3220-171-0x00000000010F0000-0x00000000010FB000-memory.dmp

Filesize
44KB

Download
memory/3220-186-0x0000000001100000-0x0000000001106000-memory.dmp

Filesize
24KB

Download
memory/4396-178-0x00000000010E0000-0x00000000010E8000-memory.dmp

Filesize
32KB

Download
memory/4396-179-0x00000000010D0000-0x00000000010DB000-memory.dmp

Filesize
44KB

Download
memory/4396-177-0x00000000010D0000-0x00000000010DB000-memory.dmp

Filesize
44KB

Download
memory/4396-188-0x00000000010E0000-0x00000000010E8000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads