smokeloader | bb23328be7ab0ab9d776f2ebaef983abac03ca76e54c6227d9b4f8f906b5eec3

General

Target

1f5f28c0501892a2003905bbf282fac8d46fa1ba8146fc3468e66b4f492b945c.exe
Size

244KB
MD5

c5405d1c50acf79fbfc26df4ae173c14
SHA1

6a3ede62744053fc7e3d54c0767de1b965f8f8aa
SHA256

1f5f28c0501892a2003905bbf282fac8d46fa1ba8146fc3468e66b4f492b945c
SHA512

5a327560cfe3d3b78869ad1a937614ba60831fb83a5f784efc990726b65f22e9490b084b6c7a0c28eca868940c3338ba4859d0ec913b9d463b1143159ec6ad14
SSDEEP

3072:4T5GKwmrrRmuzzc8xFhc/u2j9XRjoHFfMDrkbbN6rxlVZZhUm1hmB:kGKw4ASS22jllolfM8N6rxlVram1h

Score

10^/10

smokeloader pub1 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2022

C2

http://sjyey.com/tmp/index.php

http://babonwo.ru/tmp/index.php

http://mth.com.ua/tmp/index.php

http://piratia.pw/tmp/index.php

http://go-piratia.ru/tmp/index.php

rc4.i32

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Deletes itself 1 IoCs

Processes:

pid process

1208
Executes dropped EXE 1 IoCs

Processes:

guacahu

pid process

1808 guacahu

pid	process
1208

pid	process
1808	guacahu

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:

1f5f28c0501892a2003905bbf282fac8d46fa1ba8146fc3468e66b4f492b945c.exeguacahu

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1f5f28c0501892a2003905bbf282fac8d46fa1ba8146fc3468e66b4f492b945c.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1f5f28c0501892a2003905bbf282fac8d46fa1ba8146fc3468e66b4f492b945c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	guacahu
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	guacahu
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	guacahu
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1f5f28c0501892a2003905bbf282fac8d46fa1ba8146fc3468e66b4f492b945c.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

1f5f28c0501892a2003905bbf282fac8d46fa1ba8146fc3468e66b4f492b945c.exe

pid	process
1712	1f5f28c0501892a2003905bbf282fac8d46fa1ba8146fc3468e66b4f492b945c.exe
1712	1f5f28c0501892a2003905bbf282fac8d46fa1ba8146fc3468e66b4f492b945c.exe
1208
1208
1208
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1208
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1208
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1208

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

1f5f28c0501892a2003905bbf282fac8d46fa1ba8146fc3468e66b4f492b945c.exeguacahu

pid process

1712 1f5f28c0501892a2003905bbf282fac8d46fa1ba8146fc3468e66b4f492b945c.exe
1808 guacahu

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

taskeng.exe

description	pid	process	target process
PID 2608 wrote to memory of 1808	2608	taskeng.exe	guacahu
PID 2608 wrote to memory of 1808	2608	taskeng.exe	guacahu
PID 2608 wrote to memory of 1808	2608	taskeng.exe	guacahu
PID 2608 wrote to memory of 1808	2608	taskeng.exe	guacahu

C:\Users\Admin\AppData\Local\Temp\1f5f28c0501892a2003905bbf282fac8d46fa1ba8146fc3468e66b4f492b945c.exe
"C:\Users\Admin\AppData\Local\Temp\1f5f28c0501892a2003905bbf282fac8d46fa1ba8146fc3468e66b4f492b945c.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1712

C:\Windows\system32\taskeng.exe
taskeng.exe {434DA4E9-5CA9-45D3-829C-9AB1B3333C56} S-1-5-21-330940541-141609230-1670313778-1000:KXIPPCKF\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2608

C:\Users\Admin\AppData\Roaming\guacahu
C:\Users\Admin\AppData\Roaming\guacahu
2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize
344B

MD5
fbff47bd485f239341095c64c0569bbd

SHA1
cf10ad42d73a9adb85de8dbcc362c434026c3094

SHA256
5f40b8eca8a423da18963a7214f4532b450d4dc3653a9e1720261a664b439102

SHA512
2fb89ca4438f27e2d199574e3dd7a115af21a5d27890328075c8546dcfc2f00c7f9ac01978805ccae5829ec62ad72b8917e58fafde9677cbb42e2ecfe94503fd

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabFF28.tmp
Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar39.tmp
Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
C:\Users\Admin\AppData\Roaming\guacahu
Filesize
244KB

MD5
c5405d1c50acf79fbfc26df4ae173c14

SHA1
6a3ede62744053fc7e3d54c0767de1b965f8f8aa

SHA256
1f5f28c0501892a2003905bbf282fac8d46fa1ba8146fc3468e66b4f492b945c

SHA512
5a327560cfe3d3b78869ad1a937614ba60831fb83a5f784efc990726b65f22e9490b084b6c7a0c28eca868940c3338ba4859d0ec913b9d463b1143159ec6ad14

Download Submit
memory/1208-82-0x0000000002B10000-0x0000000002B26000-memory.dmp

Filesize
88KB

Download
memory/1208-4-0x00000000021E0000-0x00000000021F6000-memory.dmp

Filesize
88KB

Download
memory/1712-5-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/1712-1-0x0000000000550000-0x0000000000650000-memory.dmp

Filesize
1024KB

Download
memory/1712-2-0x0000000000220000-0x000000000022B000-memory.dmp

Filesize
44KB

Download
memory/1712-3-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/1808-15-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/1808-14-0x00000000004C0000-0x00000000005C0000-memory.dmp

Filesize
1024KB

Download
memory/1808-83-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads