smokeloader | b128c09685549dc969d5488cfd25aa167f40bfa609b63db902a597a2fb407d7b

Analysis

max time kernel
147s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17-04-2024 13:52

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General

Target

4f6b05e7e7c2c51a1cf5569a47a8bf31f8d452359f5a37bcecd36ef3f852c858.exe
Size

270KB
MD5

cccb10ceec06dcd07535387e28224db5
SHA1

9d9e4dccfe75ed49f3b6c89f446654d4d91f63c7
SHA256

4f6b05e7e7c2c51a1cf5569a47a8bf31f8d452359f5a37bcecd36ef3f852c858
SHA512

66a45dcb0401d6f9b93c6795983eaec6721ccd36918a69bae4877b0fd4a06e666b190676d27d32f96a5005a44a6a9e8f37b75e26b49e33d3fb893485ebc61e80
SSDEEP

3072:s/ZZBAvpmGkYrX15+VNX2VvXa4WNCqyEuHTP5QrTFWpc1nCKPTsyWj3cDe4:oZBar15FDWNpg72rTcpqCKP433cD

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

4064 1504 WerFault.exe 4f6b05e7e7c2c51a1cf5569a47a8bf31f8d452359f5a37bcecd36ef3f852c858.exe

pid	pid_target	process	target process
4064	1504	WerFault.exe	4f6b05e7e7c2c51a1cf5569a47a8bf31f8d452359f5a37bcecd36ef3f852c858.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:

4f6b05e7e7c2c51a1cf5569a47a8bf31f8d452359f5a37bcecd36ef3f852c858.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4f6b05e7e7c2c51a1cf5569a47a8bf31f8d452359f5a37bcecd36ef3f852c858.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4f6b05e7e7c2c51a1cf5569a47a8bf31f8d452359f5a37bcecd36ef3f852c858.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4f6b05e7e7c2c51a1cf5569a47a8bf31f8d452359f5a37bcecd36ef3f852c858.exe

C:\Users\Admin\AppData\Local\Temp\4f6b05e7e7c2c51a1cf5569a47a8bf31f8d452359f5a37bcecd36ef3f852c858.exe
"C:\Users\Admin\AppData\Local\Temp\4f6b05e7e7c2c51a1cf5569a47a8bf31f8d452359f5a37bcecd36ef3f852c858.exe"
1⤵
- Checks SCSI registry key(s)
PID:1504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1504 -s 352
2⤵
- Program crash
PID:4064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1504 -ip 1504
1⤵
PID:4940

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

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Downloads

memory/1504-1-0x0000000000D50000-0x0000000000E50000-memory.dmp

Filesize
1024KB

Download
memory/1504-2-0x0000000000C90000-0x0000000000C9B000-memory.dmp

Filesize
44KB

Download
memory/1504-3-0x0000000000400000-0x0000000000AEC000-memory.dmp

Filesize
6.9MB

Download