smokeloader | 8f89419bd1b8f265e23c81f012e529094084b3791385b403c87753c680190d7f

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
16-05-2024 15:11

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General

Target

8f89419bd1b8f265e23c81f012e529094084b3791385b403c87753c680190d7f.exe
Size

229KB
MD5

988845793ebd58e09afb588b82f24082
SHA1

838908721a0f4dd93d024004bd7e55755a2b5080
SHA256

8f89419bd1b8f265e23c81f012e529094084b3791385b403c87753c680190d7f
SHA512

0dbb8524963c8b17c431639425cfeb56ae347d4d84c4460b31ca5a0afc4d31d8a3bffaf493f09e9a437973f81465134debdac34bb0bd7d23556ccbbf6d1b8f68
SSDEEP

3072:yuCuXasEoEMsFt71FJ+9/5eUQbH/E/8uQjcFDinf4nlPTHao8lxzQoBOCpwPQDF:5DMdDJT7E8pelB6oh6Dpw

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

4280 2016 WerFault.exe 8f89419bd1b8f265e23c81f012e529094084b3791385b403c87753c680190d7f.exe

pid	pid_target	process	target process
4280	2016	WerFault.exe	8f89419bd1b8f265e23c81f012e529094084b3791385b403c87753c680190d7f.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:

8f89419bd1b8f265e23c81f012e529094084b3791385b403c87753c680190d7f.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8f89419bd1b8f265e23c81f012e529094084b3791385b403c87753c680190d7f.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8f89419bd1b8f265e23c81f012e529094084b3791385b403c87753c680190d7f.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8f89419bd1b8f265e23c81f012e529094084b3791385b403c87753c680190d7f.exe

C:\Users\Admin\AppData\Local\Temp\8f89419bd1b8f265e23c81f012e529094084b3791385b403c87753c680190d7f.exe
"C:\Users\Admin\AppData\Local\Temp\8f89419bd1b8f265e23c81f012e529094084b3791385b403c87753c680190d7f.exe"
1⤵
- Checks SCSI registry key(s)
PID:2016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2016 -s 460
2⤵
- Program crash
PID:4280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2016 -ip 2016
1⤵
PID:532

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/2016-1-0x0000000000590000-0x0000000000690000-memory.dmp

Filesize
1024KB

Download
memory/2016-2-0x0000000002090000-0x000000000209B000-memory.dmp

Filesize
44KB

Download
memory/2016-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2016-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2016-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download