smokeloader | bf5a4198df4893e6c4f7c59876a06d7feaaf897b2060dc22357aa1d59468ccfc

Analysis

max time kernel
92s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
14-05-2024 17:49

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General

Target

bf5a4198df4893e6c4f7c59876a06d7feaaf897b2060dc22357aa1d59468ccfc.exe
Size

224KB
MD5

300ec4cb5fb7349183bf02c31bc67df3
SHA1

6e42195f6cc83e15f2bc23e3c10acf43b2cca695
SHA256

bf5a4198df4893e6c4f7c59876a06d7feaaf897b2060dc22357aa1d59468ccfc
SHA512

e14bd68a87577763ebe4bd9b45cc1df5e90f4c134e5c031f0236b34cff35c72ae33c83ecc0865a340ec08ca9c5f767f0dc27c270829edd82b40f9e5c94d7488d
SSDEEP

3072:yCoM+wvHbJKfpnxdRV+qBvExEN/G8S8vjM1J3aKV7ZKx:KwPkddVQxMe8S8vj6an

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

3808 3316 WerFault.exe bf5a4198df4893e6c4f7c59876a06d7feaaf897b2060dc22357aa1d59468ccfc.exe

pid	pid_target	process	target process
3808	3316	WerFault.exe	bf5a4198df4893e6c4f7c59876a06d7feaaf897b2060dc22357aa1d59468ccfc.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:

bf5a4198df4893e6c4f7c59876a06d7feaaf897b2060dc22357aa1d59468ccfc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bf5a4198df4893e6c4f7c59876a06d7feaaf897b2060dc22357aa1d59468ccfc.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bf5a4198df4893e6c4f7c59876a06d7feaaf897b2060dc22357aa1d59468ccfc.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bf5a4198df4893e6c4f7c59876a06d7feaaf897b2060dc22357aa1d59468ccfc.exe

C:\Users\Admin\AppData\Local\Temp\bf5a4198df4893e6c4f7c59876a06d7feaaf897b2060dc22357aa1d59468ccfc.exe
"C:\Users\Admin\AppData\Local\Temp\bf5a4198df4893e6c4f7c59876a06d7feaaf897b2060dc22357aa1d59468ccfc.exe"
1⤵
- Checks SCSI registry key(s)
PID:3316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3316 -s 484
2⤵
- Program crash
PID:3808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3316 -ip 3316
1⤵
PID:1420

Network

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/3316-1-0x0000000000A40000-0x0000000000B40000-memory.dmp

Filesize
1024KB

Download
memory/3316-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3316-2-0x0000000000A30000-0x0000000000A3B000-memory.dmp

Filesize
44KB

Download
memory/3316-4-0x0000000000400000-0x000000000078F000-memory.dmp

Filesize
3.6MB

Download