smokeloader | c166b490846d441400727765dd668262087642bae1bbfd7aaf7a1bed5aa35b62

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
26-05-2024 08:21

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General

Target

4.exe
Size

234KB
MD5

73ddf9a7f42e0452b6aa00f4e0a0afd5
SHA1

79ea2d473e72751803c9650ae5c6b144a0aa4879
SHA256

c166b490846d441400727765dd668262087642bae1bbfd7aaf7a1bed5aa35b62
SHA512

c7931368fffeb684c6de5a7affe168f11c1e1d5fed5f843fb0ff98f393c49909e202fb7d500f126097f5e5ddf69beb1fe900c27bd918c2d8d4a69c451b053ed5
SSDEEP

3072:a5My9dAbFfJ30bYKMy+WlmKwkGLVmWDju8Ogxsqtoe8MGRT8:UUbFfJEb7LM5t9OgfdaRT

Score

10^/10

smokeloader pub4 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub4

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

3636 1688 WerFault.exe 4.exe

pid	pid_target	process	target process
3636	1688	WerFault.exe	4.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:

4.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4.exe

C:\Users\Admin\AppData\Local\Temp\4.exe
"C:\Users\Admin\AppData\Local\Temp\4.exe"
1⤵
- Checks SCSI registry key(s)
PID:1688
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 352
  2⤵
  - Program crash
  PID:3636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1688 -ip 1688
1⤵
PID:5020

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/1688-1-0x0000000002CA0000-0x0000000002DA0000-memory.dmp

Filesize
1024KB

Download
memory/1688-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1688-2-0x0000000002E20000-0x0000000002E2B000-memory.dmp

Filesize
44KB

Download
memory/1688-4-0x0000000000400000-0x0000000002C9A000-memory.dmp

Filesize
40.6MB

Download