smokeloader | 4f367a58544f96f8d0dd19d323acf0db1437d2cd8ef96324a37ea7be20cabf36

Analysis

max time kernel
135s
max time network
109s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
26-05-2024 01:04

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General

Target

4f367a58544f96f8d0dd19d323acf0db1437d2cd8ef96324a37ea7be20cabf36.exe
Size

234KB
MD5

a25ac46e5bea920465d1838177782e5b
SHA1

7abf711cac6ff5f35fc0b3f435d6ec5d9b0a0298
SHA256

4f367a58544f96f8d0dd19d323acf0db1437d2cd8ef96324a37ea7be20cabf36
SHA512

a469acbfc356df68532eaf869ee0e56c7ad8323faf4a5c63d01bacb6514232eb0f4defb389cc893e8fe4b31fe1b672d7e5c026711b7590030ae87b433e6f93a4
SSDEEP

3072:IMyOsyYDXRL9QTYtSH+E5l675WmXVxS0VRqmVq+h56cphuoqL54ee6UWGG80yWJx:KpLRLa0t0q60Nqmhuoq2eehRGZpJT

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

4244 4292 WerFault.exe 4f367a58544f96f8d0dd19d323acf0db1437d2cd8ef96324a37ea7be20cabf36.exe

pid	pid_target	process	target process
4244	4292	WerFault.exe	4f367a58544f96f8d0dd19d323acf0db1437d2cd8ef96324a37ea7be20cabf36.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:

4f367a58544f96f8d0dd19d323acf0db1437d2cd8ef96324a37ea7be20cabf36.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4f367a58544f96f8d0dd19d323acf0db1437d2cd8ef96324a37ea7be20cabf36.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4f367a58544f96f8d0dd19d323acf0db1437d2cd8ef96324a37ea7be20cabf36.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4f367a58544f96f8d0dd19d323acf0db1437d2cd8ef96324a37ea7be20cabf36.exe

C:\Users\Admin\AppData\Local\Temp\4f367a58544f96f8d0dd19d323acf0db1437d2cd8ef96324a37ea7be20cabf36.exe
"C:\Users\Admin\AppData\Local\Temp\4f367a58544f96f8d0dd19d323acf0db1437d2cd8ef96324a37ea7be20cabf36.exe"
1⤵
- Checks SCSI registry key(s)
PID:4292
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4292 -s 352
  2⤵
  - Program crash
  PID:4244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4292 -ip 4292
1⤵
PID:3996

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/4292-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4292-2-0x0000000002E00000-0x0000000002E0B000-memory.dmp

Filesize
44KB

Download
memory/4292-1-0x0000000002EC0000-0x0000000002FC0000-memory.dmp

Filesize
1024KB

Download
memory/4292-4-0x0000000000400000-0x0000000002C9A000-memory.dmp

Filesize
40.6MB

Download