smokeloader | 4f792ce3a467572688a6aa4b389254b860fa79bcda9142af0be0e94c8eda8f93

Analysis

max time kernel
90s
max time network
97s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
07-05-2024 05:18

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General

Target

4f792ce3a467572688a6aa4b389254b860fa79bcda9142af0be0e94c8eda8f93.exe
Size

208KB
MD5

c0a0fbc6485f4545d0914ddff5fd8ed0
SHA1

56dbd199dd4f31fdc9db8782c4817a49bc28b429
SHA256

4f792ce3a467572688a6aa4b389254b860fa79bcda9142af0be0e94c8eda8f93
SHA512

ee208aefeb55b998d245609957e677bd8c3ab049f1d844efc283d25e8c7913fbd1ee5277e41a05bf00bc1eed92f78db3feeef1e745fac35e01c0e5077b7b9dea
SSDEEP

3072:Bw1Y91VV3eJI1g9BIwuk7znyX/8BcB5RDLTcZ1:gY91zYggEuznS9TcZ

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

1280 248 WerFault.exe 4f792ce3a467572688a6aa4b389254b860fa79bcda9142af0be0e94c8eda8f93.exe

pid	pid_target	process	target process
1280	248	WerFault.exe	4f792ce3a467572688a6aa4b389254b860fa79bcda9142af0be0e94c8eda8f93.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:

4f792ce3a467572688a6aa4b389254b860fa79bcda9142af0be0e94c8eda8f93.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4f792ce3a467572688a6aa4b389254b860fa79bcda9142af0be0e94c8eda8f93.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4f792ce3a467572688a6aa4b389254b860fa79bcda9142af0be0e94c8eda8f93.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4f792ce3a467572688a6aa4b389254b860fa79bcda9142af0be0e94c8eda8f93.exe

C:\Users\Admin\AppData\Local\Temp\4f792ce3a467572688a6aa4b389254b860fa79bcda9142af0be0e94c8eda8f93.exe
"C:\Users\Admin\AppData\Local\Temp\4f792ce3a467572688a6aa4b389254b860fa79bcda9142af0be0e94c8eda8f93.exe"
1⤵
- Checks SCSI registry key(s)
PID:248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 248 -s 384
2⤵
- Program crash
PID:1280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 248 -ip 248
1⤵
PID:2860

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/248-1-0x0000000002D10000-0x0000000002E10000-memory.dmp

Filesize
1024KB

Download
memory/248-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/248-2-0x0000000002E60000-0x0000000002E6B000-memory.dmp

Filesize
44KB

Download
memory/248-4-0x0000000000400000-0x0000000002AF2000-memory.dmp

Filesize
38.9MB

Download