smokeloader | 3675dc1eb66e11fea74d1b395e43efe91bff0ffae26e32ce865cea629b4668e7

Analysis

max time kernel
146s
max time network
154s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
19-05-2024 01:32

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General

Target

3675dc1eb66e11fea74d1b395e43efe91bff0ffae26e32ce865cea629b4668e7.exe
Size

170KB
MD5

bdb36cbb13987db21da3c53182ae0f77
SHA1

0e8eb63b477a12d27526948eb785f4d5d795ac29
SHA256

3675dc1eb66e11fea74d1b395e43efe91bff0ffae26e32ce865cea629b4668e7
SHA512

119408d0c3bc98fab25ccffabf1b08b12064ed9d6532ba5b3cbaa5fead83b295e8623a97dbf7178f3c170b74d5a2958adddab484454ddc041584552d3b717b05
SSDEEP

1536:iDriAzZTzbjzOPQPNZ1JOCkdoSs+4MpNKFyjE732KP8rf5VGieLWi5sBdFrtg:t4PNJOZlpNmyAmD5AieLP

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

Processes:

WerFault.exe

pid pid_target process target process

2024 1296 WerFault.exe 3675dc1eb66e11fea74d1b395e43efe91bff0ffae26e32ce865cea629b4668e7.exe

pid	pid_target	process	target process
2024	1296	WerFault.exe	3675dc1eb66e11fea74d1b395e43efe91bff0ffae26e32ce865cea629b4668e7.exe

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

Processes:

3675dc1eb66e11fea74d1b395e43efe91bff0ffae26e32ce865cea629b4668e7.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3675dc1eb66e11fea74d1b395e43efe91bff0ffae26e32ce865cea629b4668e7.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3675dc1eb66e11fea74d1b395e43efe91bff0ffae26e32ce865cea629b4668e7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3675dc1eb66e11fea74d1b395e43efe91bff0ffae26e32ce865cea629b4668e7.exe

C:\Users\Admin\AppData\Local\Temp\3675dc1eb66e11fea74d1b395e43efe91bff0ffae26e32ce865cea629b4668e7.exe
"C:\Users\Admin\AppData\Local\Temp\3675dc1eb66e11fea74d1b395e43efe91bff0ffae26e32ce865cea629b4668e7.exe"
1⤵
- Checks SCSI registry key(s)
PID:1296
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1296 -s 384
  2⤵
  - Program crash
  PID:2024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1296 -ip 1296
1⤵
PID:4652

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/1296-2-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1296-1-0x0000000002590000-0x0000000002690000-memory.dmp

Filesize
1024KB

Download
memory/1296-3-0x0000000000400000-0x0000000002347000-memory.dmp

Filesize
31.3MB

Download