smokeloader | 71843930ac168472544f707e804b285eb922c4e969e175a551a0efac0df30264

General

Target

430be53678e8616b604b7210d16dd57f1561aa9cebb32ac451247387a53aa919.exe
Size

261KB
MD5

340a95a1d7cbc1298171aebaaa6638a9
SHA1

b1499d545dc7838274f46dba1233fe9fb3f84e2c
SHA256

430be53678e8616b604b7210d16dd57f1561aa9cebb32ac451247387a53aa919
SHA512

6fc4d2a5d1832790342a3244f5065688e1bea4136c91b0fe86f65bb4a7a3235b0f6c1fcf94087a09c82a96afabd1d74ef1d84d08b41ed1ab661e3b52ca5e60a3
SSDEEP

3072:ULb4PKxxB5OhFv+YBiLDLljSxMqbWTQk1B3A5hMpCIKxKNK7EdevdTk3:Uqw5evmfluxMp71B3emds8evdT

Score

10^/10

smokeloader pub3 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

smokeloader

Version

2022

C2

http://nidoe.org/tmp/index.php

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

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

http://talesofpirates.net/tmp/index.php

rc4.i32

Signatures

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

Processes:

pid process

1200
Executes dropped EXE 1 IoCs

Processes:

cttudwh

pid process

2788 cttudwh

pid	process
1200

pid	process
2788	cttudwh

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:

cttudwh430be53678e8616b604b7210d16dd57f1561aa9cebb32ac451247387a53aa919.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cttudwh
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cttudwh
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	430be53678e8616b604b7210d16dd57f1561aa9cebb32ac451247387a53aa919.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	430be53678e8616b604b7210d16dd57f1561aa9cebb32ac451247387a53aa919.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	430be53678e8616b604b7210d16dd57f1561aa9cebb32ac451247387a53aa919.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cttudwh

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

430be53678e8616b604b7210d16dd57f1561aa9cebb32ac451247387a53aa919.exe

pid	process
2936	430be53678e8616b604b7210d16dd57f1561aa9cebb32ac451247387a53aa919.exe
2936	430be53678e8616b604b7210d16dd57f1561aa9cebb32ac451247387a53aa919.exe
1200
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Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

430be53678e8616b604b7210d16dd57f1561aa9cebb32ac451247387a53aa919.execttudwh

pid process

2936 430be53678e8616b604b7210d16dd57f1561aa9cebb32ac451247387a53aa919.exe
2788 cttudwh

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

taskeng.exe

description	pid	process	target process
PID 2740 wrote to memory of 2788	2740	taskeng.exe	cttudwh
PID 2740 wrote to memory of 2788	2740	taskeng.exe	cttudwh
PID 2740 wrote to memory of 2788	2740	taskeng.exe	cttudwh
PID 2740 wrote to memory of 2788	2740	taskeng.exe	cttudwh

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\430be53678e8616b604b7210d16dd57f1561aa9cebb32ac451247387a53aa919.exe
"C:\Users\Admin\AppData\Local\Temp\430be53678e8616b604b7210d16dd57f1561aa9cebb32ac451247387a53aa919.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2936

C:\Windows\system32\taskeng.exe
taskeng.exe {3DD50B5A-7B24-4F3F-ABEA-F54ED9118610} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Users\Admin\AppData\Roaming\cttudwh
  C:\Users\Admin\AppData\Roaming\cttudwh
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious behavior: MapViewOfSection
  PID:2788

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\Roaming\cttudwh

Filesize
261KB

MD5
340a95a1d7cbc1298171aebaaa6638a9

SHA1
b1499d545dc7838274f46dba1233fe9fb3f84e2c

SHA256
430be53678e8616b604b7210d16dd57f1561aa9cebb32ac451247387a53aa919

SHA512
6fc4d2a5d1832790342a3244f5065688e1bea4136c91b0fe86f65bb4a7a3235b0f6c1fcf94087a09c82a96afabd1d74ef1d84d08b41ed1ab661e3b52ca5e60a3

Download Submit
memory/1200-4-0x00000000021B0000-0x00000000021C6000-memory.dmp

Filesize
88KB

Download
memory/1200-16-0x0000000002B30000-0x0000000002B46000-memory.dmp

Filesize
88KB

Download
memory/2788-14-0x0000000000270000-0x0000000000370000-memory.dmp

Filesize
1024KB

Download
memory/2788-15-0x0000000000400000-0x0000000000AEA000-memory.dmp

Filesize
6.9MB

Download
memory/2788-19-0x0000000000400000-0x0000000000AEA000-memory.dmp

Filesize
6.9MB

Download
memory/2936-2-0x0000000000220000-0x000000000022B000-memory.dmp

Filesize
44KB

Download
memory/2936-1-0x0000000000C80000-0x0000000000D80000-memory.dmp

Filesize
1024KB

Download
memory/2936-3-0x0000000000400000-0x0000000000AEA000-memory.dmp

Filesize
6.9MB

Download
memory/2936-5-0x0000000000400000-0x0000000000AEA000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads