smokeloader | 91713a00dd18d04d68a6b34ac3c20206f1bd38cfb72506ef32baadd380c3f993

Resubmissions

26-05-2024 15:37

240526-s2wayacc24 10

26-05-2024 08:27

240526-kcemwsdb67 10

Analysis

max time kernel
451s
max time network
453s
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 15:37

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General

Target

2.exe
Size

234KB
MD5

4d956ba3709b6be0cc4910690ef93f0b
SHA1

699a84b4e11844653e1d0cf90d9efda870d737fd
SHA256

91713a00dd18d04d68a6b34ac3c20206f1bd38cfb72506ef32baadd380c3f993
SHA512

21aac4778a9daa054f1b2fde63854d93cff419f62ccf1eb77a584c8560bbdfac39f07b7df70399be1250ec2dc856c053901206edfacdba706bb844cec6dddf7f
SSDEEP

3072:25BjyAijBcIXby+Gl7BVqlrovGJnVAS+CamnIys7TEkA8C7uT8:EajBxm74OGeCao2rA8CKT

Score

10^/10

smokeloader pub2 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

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

3584 4760 WerFault.exe 2.exe

pid	pid_target	process	target process
3584	4760	WerFault.exe	2.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:

2.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2.exe

C:\Users\Admin\AppData\Local\Temp\2.exe
"C:\Users\Admin\AppData\Local\Temp\2.exe"
1⤵
- Checks SCSI registry key(s)
PID:4760
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4760 -s 384
  2⤵
  - Program crash
  PID:3584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4760 -ip 4760
1⤵
PID:3696

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/4760-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4760-2-0x0000000002DB0000-0x0000000002DBB000-memory.dmp

Filesize
44KB

Download
memory/4760-1-0x0000000002DD0000-0x0000000002ED0000-memory.dmp

Filesize
1024KB

Download
memory/4760-4-0x0000000000400000-0x0000000002C9A000-memory.dmp

Filesize
40.6MB

Download