smokeloader | 91c0957754a739de2d2f15822833547947499d2c41f1ac0d7a604756d34d9c8f

Analysis

max time kernel
148s
max time network
158s
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 13:38

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General

Target

dd412095728977133073e98b5d8d6b09ba65f6f7843f495663d9af1391a18483.exe
Size

267KB
MD5

8d497ad51a5e074060134dcb2d49786c
SHA1

a2519bbfcd1c1c4f5558df52caa038ce4cb97448
SHA256

dd412095728977133073e98b5d8d6b09ba65f6f7843f495663d9af1391a18483
SHA512

994ab1bcee306c42a7bcefa2c0f4747e5fb62359d2fc292084b370269ebaa2eb7fd37643d2b024dd8684ada4f8d1ec80110b219a8ab626a20ded2c82dc3cf84c
SSDEEP

3072:LBhoLytqNiryGxcInMp3/ZaBesq5GBrPKWZlhy8paIYWLXfag5Z34zT+yx:IERryGfnC/sM5irPK6hjtYCyQ34zT

Score

10^/10

smokeloader pub3 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

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

5108 3032 WerFault.exe dd412095728977133073e98b5d8d6b09ba65f6f7843f495663d9af1391a18483.exe

pid	pid_target	process	target process
5108	3032	WerFault.exe	dd412095728977133073e98b5d8d6b09ba65f6f7843f495663d9af1391a18483.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:

dd412095728977133073e98b5d8d6b09ba65f6f7843f495663d9af1391a18483.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	dd412095728977133073e98b5d8d6b09ba65f6f7843f495663d9af1391a18483.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	dd412095728977133073e98b5d8d6b09ba65f6f7843f495663d9af1391a18483.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	dd412095728977133073e98b5d8d6b09ba65f6f7843f495663d9af1391a18483.exe

C:\Users\Admin\AppData\Local\Temp\dd412095728977133073e98b5d8d6b09ba65f6f7843f495663d9af1391a18483.exe
"C:\Users\Admin\AppData\Local\Temp\dd412095728977133073e98b5d8d6b09ba65f6f7843f495663d9af1391a18483.exe"
1⤵
- Checks SCSI registry key(s)
PID:3032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3032 -s 352
2⤵
- Program crash
PID:5108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3032 -ip 3032
1⤵
PID:1724

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

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Downloads

memory/3032-1-0x0000000001A30000-0x0000000001B30000-memory.dmp

Filesize
1024KB

Download
memory/3032-2-0x0000000003770000-0x000000000377B000-memory.dmp

Filesize
44KB

Download
memory/3032-3-0x0000000000400000-0x0000000001A2F000-memory.dmp

Filesize
22.2MB

Download
memory/3032-4-0x0000000000400000-0x0000000001A2F000-memory.dmp

Filesize
22.2MB

Download