smokeloader | 99fca35435dc4543fa71e937f75b8113005fa768e649219d83ac6c8da796d29f

Analysis

max time kernel
92s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
16-05-2024 19:37

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

99fca35435dc4543fa71e937f75b8113005fa768e649219d83ac6c8da796d29f.exe
Size

221KB
MD5

b7481ed8b86e5fec088b6258b78ba106
SHA1

80dadef93ee84733264a0810f062ff4eab0e07a9
SHA256

99fca35435dc4543fa71e937f75b8113005fa768e649219d83ac6c8da796d29f
SHA512

191327b9b0bd45f5f8782e01a4e2e3fecfd89d6429e38b9e9fc6aa932e3dcfca2c76e8c1f98d8291f48fc01c1c621dcc3d66b36feb70908a637c9291a2987e05
SSDEEP

3072:Y/Phd/IpQ8GMpoV+ov7K/QGY1HjoCWj7YT6zL+wSM3nCVPd/diNqrLA23K0fddwa:Y/hVVTrrDo/j8ez6w6V7DnAsK0fddw

Score

10^/10

smokeloader pub1 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

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

3092 2492 WerFault.exe 99fca35435dc4543fa71e937f75b8113005fa768e649219d83ac6c8da796d29f.exe

pid	pid_target	process	target process
3092	2492	WerFault.exe	99fca35435dc4543fa71e937f75b8113005fa768e649219d83ac6c8da796d29f.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:

99fca35435dc4543fa71e937f75b8113005fa768e649219d83ac6c8da796d29f.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	99fca35435dc4543fa71e937f75b8113005fa768e649219d83ac6c8da796d29f.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	99fca35435dc4543fa71e937f75b8113005fa768e649219d83ac6c8da796d29f.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	99fca35435dc4543fa71e937f75b8113005fa768e649219d83ac6c8da796d29f.exe

C:\Users\Admin\AppData\Local\Temp\99fca35435dc4543fa71e937f75b8113005fa768e649219d83ac6c8da796d29f.exe
"C:\Users\Admin\AppData\Local\Temp\99fca35435dc4543fa71e937f75b8113005fa768e649219d83ac6c8da796d29f.exe"
1⤵
- Checks SCSI registry key(s)
PID:2492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 484
2⤵
- Program crash
PID:3092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2492 -ip 2492
1⤵
PID:2876

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

Loading Replay Monitor...

Downloads

memory/2492-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2492-2-0x00000000005D0000-0x00000000005DB000-memory.dmp

Filesize
44KB

Download
memory/2492-1-0x0000000000720000-0x0000000000820000-memory.dmp

Filesize
1024KB

Download
memory/2492-4-0x0000000000400000-0x0000000000481000-memory.dmp

Filesize
516KB

Download