smokeloader | c56c00ca3f42026f17affef76b3752f268d1498f862b3143985ca7c1d33feb39

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21-01-2025 13:35

250121-qvptgawqbk 10

21-01-2025 11:58

21-01-2025 11:44

21-01-2025 11:07

17-07-2024 20:08

Analysis

max time kernel
37s
max time network
41s
platform
windows11-21h2_x64
resource
win11-20240709-en
resource tags

arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
submitted
17-07-2024 20:08

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General

Target

bjutbht.exe
Size

294KB
MD5

9442e7f51753f9ef3604a13e459334aa
SHA1

b8ecc6920c4fca9725fbc78d6684359c88b8224a
SHA256

7e0623dbd4975ddc7790c45c9407527c048cb04727ddf757e70f7d5b702703fd
SHA512

5af0b0653245ebc1a1aac4cca90d2bb53b48bea25a8f104cbd3e410f1374ef86a578fc56b3c7d42fc9bb0a5b22db97b007805da72528c89dca575c8196361cce
SSDEEP

3072:lCHi6zfNNcKW0PNXiWIztAq/czUZrHFdOIMRsSHHi:lezVlPxbKpEqiHH

Score

10^/10

smokeloader pub1 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2856	2652	WerFault.exe	81

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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bjutbht.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bjutbht.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bjutbht.exe

C:\Users\Admin\AppData\Local\Temp\bjutbht.exe
"C:\Users\Admin\AppData\Local\Temp\bjutbht.exe"
1⤵
- Checks SCSI registry key(s)
PID:2652
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2652 -s 484
  2⤵
  - Program crash
  PID:2856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2652 -ip 2652
1⤵
PID:2124

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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/2652-1-0x00000000023E0000-0x00000000024E0000-memory.dmp

Filesize
1024KB

Download
memory/2652-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2652-2-0x00000000023C0000-0x00000000023CB000-memory.dmp

Filesize
44KB

Download
memory/2652-4-0x0000000000400000-0x0000000002092000-memory.dmp

Filesize
28.6MB

Download