smokeloader | acc42f1eb12559b24da09660762b1f7d3bb513e53fa6594dccf8c658472b847b

Analysis

max time kernel
150s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
18/03/2023, 06:51

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General

Target

77ecbdbd839740cd6abfdcd2e850f61b.exe
Size

303KB
MD5

77ecbdbd839740cd6abfdcd2e850f61b
SHA1

a815456aaa1440249d0368be25eec070e2346a62
SHA256

acc42f1eb12559b24da09660762b1f7d3bb513e53fa6594dccf8c658472b847b
SHA512

e15bbe7eae6cc01743ca56a4177891e9dd520ff46748486c1d1e83ecc028c23be81dc4e38c123fc9844a5a34193092eb88f77a1047c457a7124ede14ddfedee2
SSDEEP

3072:QNhLgDLnKGyfBF/aao/cqKy3D7ZBS4/OCsjUD4vydI67zRX58FtfrFL:cgDLnDyfLVyT7TSp5j/wAvFL

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	77ecbdbd839740cd6abfdcd2e850f61b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	77ecbdbd839740cd6abfdcd2e850f61b.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	77ecbdbd839740cd6abfdcd2e850f61b.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4064	77ecbdbd839740cd6abfdcd2e850f61b.exe
4064	77ecbdbd839740cd6abfdcd2e850f61b.exe
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
760	Process not Found

Suspicious behavior: MapViewOfSection 19 IoCs

pid	Process
4064	77ecbdbd839740cd6abfdcd2e850f61b.exe
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found
760	Process not Found

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 760 wrote to memory of 3280	760	Process not Found	91
PID 760 wrote to memory of 3280	760	Process not Found	91
PID 760 wrote to memory of 3280	760	Process not Found	91
PID 760 wrote to memory of 3280	760	Process not Found	91
PID 760 wrote to memory of 3508	760	Process not Found	92
PID 760 wrote to memory of 3508	760	Process not Found	92
PID 760 wrote to memory of 3508	760	Process not Found	92
PID 760 wrote to memory of 2516	760	Process not Found	93
PID 760 wrote to memory of 2516	760	Process not Found	93
PID 760 wrote to memory of 2516	760	Process not Found	93
PID 760 wrote to memory of 2516	760	Process not Found	93
PID 760 wrote to memory of 2520	760	Process not Found	94
PID 760 wrote to memory of 2520	760	Process not Found	94
PID 760 wrote to memory of 2520	760	Process not Found	94
PID 760 wrote to memory of 3084	760	Process not Found	95
PID 760 wrote to memory of 3084	760	Process not Found	95
PID 760 wrote to memory of 3084	760	Process not Found	95
PID 760 wrote to memory of 3084	760	Process not Found	95
PID 760 wrote to memory of 804	760	Process not Found	96
PID 760 wrote to memory of 804	760	Process not Found	96
PID 760 wrote to memory of 804	760	Process not Found	96
PID 760 wrote to memory of 804	760	Process not Found	96
PID 760 wrote to memory of 3884	760	Process not Found	97
PID 760 wrote to memory of 3884	760	Process not Found	97
PID 760 wrote to memory of 3884	760	Process not Found	97
PID 760 wrote to memory of 3884	760	Process not Found	97
PID 760 wrote to memory of 4032	760	Process not Found	99
PID 760 wrote to memory of 4032	760	Process not Found	99
PID 760 wrote to memory of 4032	760	Process not Found	99
PID 760 wrote to memory of 5076	760	Process not Found	100
PID 760 wrote to memory of 5076	760	Process not Found	100
PID 760 wrote to memory of 5076	760	Process not Found	100
PID 760 wrote to memory of 5076	760	Process not Found	100

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\77ecbdbd839740cd6abfdcd2e850f61b.exe
"C:\Users\Admin\AppData\Local\Temp\77ecbdbd839740cd6abfdcd2e850f61b.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4064

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3280

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:3508

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:2516

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:2520

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3084

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:804

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3884

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:4032

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:5076

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/760-135-0x00000000028A0000-0x00000000028B6000-memory.dmp

Filesize
88KB

Download
memory/804-162-0x00000000007B0000-0x00000000007B9000-memory.dmp

Filesize
36KB

Download
memory/804-174-0x00000000007A0000-0x00000000007C7000-memory.dmp

Filesize
156KB

Download
memory/804-160-0x00000000007B0000-0x00000000007B9000-memory.dmp

Filesize
36KB

Download
memory/804-161-0x00000000007A0000-0x00000000007C7000-memory.dmp

Filesize
156KB

Download
memory/2516-154-0x0000000000AD0000-0x0000000000AD9000-memory.dmp

Filesize
36KB

Download
memory/2516-153-0x00000000010A0000-0x00000000010AF000-memory.dmp

Filesize
60KB

Download
memory/2516-152-0x0000000000AD0000-0x0000000000AD9000-memory.dmp

Filesize
36KB

Download
memory/2520-155-0x00000000001E0000-0x00000000001EC000-memory.dmp

Filesize
48KB

Download
memory/2520-172-0x0000000000AD0000-0x0000000000AD9000-memory.dmp

Filesize
36KB

Download
memory/2520-156-0x0000000000AD0000-0x0000000000AD9000-memory.dmp

Filesize
36KB

Download
memory/2520-157-0x00000000001E0000-0x00000000001EC000-memory.dmp

Filesize
48KB

Download
memory/3084-173-0x00000000001E0000-0x00000000001EC000-memory.dmp

Filesize
48KB

Download
memory/3084-158-0x00000000007A0000-0x00000000007C7000-memory.dmp

Filesize
156KB

Download
memory/3084-159-0x00000000007A0000-0x00000000007C7000-memory.dmp

Filesize
156KB

Download
memory/3280-148-0x0000000000A10000-0x0000000000A1B000-memory.dmp

Filesize
44KB

Download
memory/3280-147-0x0000000002D90000-0x0000000002D99000-memory.dmp

Filesize
36KB

Download
memory/3280-146-0x0000000000A10000-0x0000000000A1B000-memory.dmp

Filesize
44KB

Download
memory/3508-151-0x00000000010A0000-0x00000000010AF000-memory.dmp

Filesize
60KB

Download
memory/3508-171-0x0000000000A10000-0x0000000000A1B000-memory.dmp

Filesize
44KB

Download
memory/3508-149-0x00000000010A0000-0x00000000010AF000-memory.dmp

Filesize
60KB

Download
memory/3508-150-0x0000000000A10000-0x0000000000A1B000-memory.dmp

Filesize
44KB

Download
memory/3884-165-0x00000000003C0000-0x00000000003CB000-memory.dmp

Filesize
44KB

Download
memory/3884-164-0x00000000007B0000-0x00000000007B9000-memory.dmp

Filesize
36KB

Download
memory/3884-163-0x00000000003C0000-0x00000000003CB000-memory.dmp

Filesize
44KB

Download
memory/4032-166-0x0000000000CC0000-0x0000000000CCD000-memory.dmp

Filesize
52KB

Download
memory/4032-167-0x00000000003C0000-0x00000000003CB000-memory.dmp

Filesize
44KB

Download
memory/4032-168-0x0000000000CC0000-0x0000000000CCD000-memory.dmp

Filesize
52KB

Download
memory/4032-175-0x00000000003C0000-0x00000000003CB000-memory.dmp

Filesize
44KB

Download
memory/4064-134-0x0000000002D90000-0x0000000002D99000-memory.dmp

Filesize
36KB

Download
memory/4064-137-0x0000000000400000-0x0000000002AFC000-memory.dmp

Filesize
39.0MB

Download
memory/5076-169-0x0000000000810000-0x000000000081B000-memory.dmp

Filesize
44KB

Download
memory/5076-170-0x0000000000810000-0x000000000081B000-memory.dmp

Filesize
44KB

Download
memory/5076-176-0x0000000000CC0000-0x0000000000CCD000-memory.dmp

Filesize
52KB

Download