smokeloader | 234c22b2e9adf8a2843c44d570911ed3efd6a48a771f91b8e7d7b656dd6fcd9e

Analysis

max time kernel
147s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
26-05-2024 09:05

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General

Target

234c22b2e9adf8a2843c44d570911ed3efd6a48a771f91b8e7d7b656dd6fcd9e.exe
Size

234KB
MD5

e00e7552dab6ff98e762dca7805b54ea
SHA1

c2434ccea79b7ba32d6ba873f6d12d8949f464ae
SHA256

234c22b2e9adf8a2843c44d570911ed3efd6a48a771f91b8e7d7b656dd6fcd9e
SHA512

74e677c91c62883770fdc10231c2df5cabd7f6788c7615435f0f66b62469a7323e629f5dbff0d2f1df13319b8cb8be3e819908d0859050223c347fd67df5098b
SSDEEP

3072:457yX1gyQDBKPELi+crEMpL2Tl/BwLXbK2dRADclYzqTPT8:oyQDQcLinraolYzQT

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

4220 2252 WerFault.exe 234c22b2e9adf8a2843c44d570911ed3efd6a48a771f91b8e7d7b656dd6fcd9e.exe

pid	pid_target	process	target process
4220	2252	WerFault.exe	234c22b2e9adf8a2843c44d570911ed3efd6a48a771f91b8e7d7b656dd6fcd9e.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:

234c22b2e9adf8a2843c44d570911ed3efd6a48a771f91b8e7d7b656dd6fcd9e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	234c22b2e9adf8a2843c44d570911ed3efd6a48a771f91b8e7d7b656dd6fcd9e.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	234c22b2e9adf8a2843c44d570911ed3efd6a48a771f91b8e7d7b656dd6fcd9e.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	234c22b2e9adf8a2843c44d570911ed3efd6a48a771f91b8e7d7b656dd6fcd9e.exe

C:\Users\Admin\AppData\Local\Temp\234c22b2e9adf8a2843c44d570911ed3efd6a48a771f91b8e7d7b656dd6fcd9e.exe
"C:\Users\Admin\AppData\Local\Temp\234c22b2e9adf8a2843c44d570911ed3efd6a48a771f91b8e7d7b656dd6fcd9e.exe"
1⤵
- Checks SCSI registry key(s)
PID:2252
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2252 -s 384
  2⤵
  - Program crash
  PID:4220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2252 -ip 2252
1⤵
PID:4760

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/2252-1-0x0000000002F90000-0x0000000003090000-memory.dmp

Filesize
1024KB

Download
memory/2252-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2252-2-0x0000000002F00000-0x0000000002F0B000-memory.dmp

Filesize
44KB

Download
memory/2252-4-0x0000000000400000-0x0000000002C9A000-memory.dmp

Filesize
40.6MB

Download