smokeloader | 33689b31bb1260d3b3d49c2a2ae4f4172de349058fd020169fd11a51b44e45f4

Analysis

max time kernel
146s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
02-07-2024 12:44

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General

Target

33689b31bb1260d3b3d49c2a2ae4f4172de349058fd020169fd11a51b44e45f4.exe
Size

161KB
MD5

dc3b3f3abf3e16f5798c80efc9bc2557
SHA1

86898e2b962b90d5bb3394becd3e17af8ba65bdc
SHA256

33689b31bb1260d3b3d49c2a2ae4f4172de349058fd020169fd11a51b44e45f4
SHA512

77866381a73d958703fc8206ddf4b7e689e5e62ebff33ea2895f895bbf047ec966a908ee871ab245c15124ae0b595e0638360ac257e1a38fae483dc8deaee3f0
SSDEEP

3072:NLjt6ZGNx9KOXYcFqN54sR8U8ZoMYVKb:NLp6+PKPcF5P2x

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

1672 3900 WerFault.exe 33689b31bb1260d3b3d49c2a2ae4f4172de349058fd020169fd11a51b44e45f4.exe

pid	pid_target	process	target process
1672	3900	WerFault.exe	33689b31bb1260d3b3d49c2a2ae4f4172de349058fd020169fd11a51b44e45f4.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:

33689b31bb1260d3b3d49c2a2ae4f4172de349058fd020169fd11a51b44e45f4.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	33689b31bb1260d3b3d49c2a2ae4f4172de349058fd020169fd11a51b44e45f4.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	33689b31bb1260d3b3d49c2a2ae4f4172de349058fd020169fd11a51b44e45f4.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	33689b31bb1260d3b3d49c2a2ae4f4172de349058fd020169fd11a51b44e45f4.exe

C:\Users\Admin\AppData\Local\Temp\33689b31bb1260d3b3d49c2a2ae4f4172de349058fd020169fd11a51b44e45f4.exe
"C:\Users\Admin\AppData\Local\Temp\33689b31bb1260d3b3d49c2a2ae4f4172de349058fd020169fd11a51b44e45f4.exe"
1⤵
- Checks SCSI registry key(s)
PID:3900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3900 -s 488
2⤵
- Program crash
PID:1672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3900 -ip 3900
1⤵
PID:3584

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/3900-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3900-2-0x0000000002900000-0x000000000290B000-memory.dmp

Filesize
44KB

Download
memory/3900-1-0x0000000002910000-0x0000000002A10000-memory.dmp

Filesize
1024KB

Download
memory/3900-4-0x0000000000400000-0x0000000002716000-memory.dmp

Filesize
35.1MB

Download