smokeloader | 857daf5f0b8b43191ad46d1e7e39a807bf8265a070c7541519e472c246d0be07

Analysis

max time kernel
146s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
28-06-2024 16:46

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General

Target

857daf5f0b8b43191ad46d1e7e39a807bf8265a070c7541519e472c246d0be07.exe
Size

276KB
MD5

11d26d287c6b0ca663e2d36c44b485e6
SHA1

38e5823826ae66166549a07b239da7e983d1ac77
SHA256

857daf5f0b8b43191ad46d1e7e39a807bf8265a070c7541519e472c246d0be07
SHA512

026bb0e7d8c0c550f0867200da8cdba9312d9aefc61e5483590b713002875ff4bbb4c9832f05fe24e03b91b3a55e542a9ae188429e12c8660bfec25a4eab43c7
SSDEEP

3072:wRM+MLQXqu51dquxfsqZMliYEs1vRoVPOKU5pge/qaO2bhATlTzXmSFqNsyKHm:mzMLQX4qZMlidCvRM9bQ4zXmSQL

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

3984 3484 WerFault.exe 857daf5f0b8b43191ad46d1e7e39a807bf8265a070c7541519e472c246d0be07.exe

pid	pid_target	process	target process
3984	3484	WerFault.exe	857daf5f0b8b43191ad46d1e7e39a807bf8265a070c7541519e472c246d0be07.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:

857daf5f0b8b43191ad46d1e7e39a807bf8265a070c7541519e472c246d0be07.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	857daf5f0b8b43191ad46d1e7e39a807bf8265a070c7541519e472c246d0be07.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	857daf5f0b8b43191ad46d1e7e39a807bf8265a070c7541519e472c246d0be07.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	857daf5f0b8b43191ad46d1e7e39a807bf8265a070c7541519e472c246d0be07.exe

C:\Users\Admin\AppData\Local\Temp\857daf5f0b8b43191ad46d1e7e39a807bf8265a070c7541519e472c246d0be07.exe
"C:\Users\Admin\AppData\Local\Temp\857daf5f0b8b43191ad46d1e7e39a807bf8265a070c7541519e472c246d0be07.exe"
1⤵
- Checks SCSI registry key(s)
PID:3484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3484 -s 424
2⤵
- Program crash
PID:3984

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3484 -ip 3484
1⤵
PID:4856

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

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Downloads

memory/3484-1-0x0000000002520000-0x0000000002620000-memory.dmp

Filesize
1024KB

Download
memory/3484-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3484-2-0x0000000004070000-0x000000000407B000-memory.dmp

Filesize
44KB

Download
memory/3484-4-0x0000000000400000-0x0000000002361000-memory.dmp

Filesize
31.4MB

Download