smokeloader | a6c2a7ffb68b797967ad979e51a1330e9f16223e4f5dc8500b0a58741176f83c

Analysis

max time kernel
128s
max time network
137s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
03-07-2024 04:41

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General

Target

a6c2a7ffb68b797967ad979e51a1330e9f16223e4f5dc8500b0a58741176f83c.exe
Size

163KB
MD5

0c653f386efe0b014ffc681b49120706
SHA1

dd7ddec0bae7270469fa6cfb9d3d0b7f0c170b54
SHA256

a6c2a7ffb68b797967ad979e51a1330e9f16223e4f5dc8500b0a58741176f83c
SHA512

8323ec5ea07f3c14e63d4ad22106ff71064cb6af9c6fa9aaf50347a5ef69d6dc4618317432ceafc8f05163e81f681eb8fb0dc62bc637909b221372837bbf3523
SSDEEP

3072:pW5NLXxnGu0jM5AJs7a8nInHhPaH5RzQkq1KuU3:c5NLhnGu0Q5ci12+5L7

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

4924 1400 WerFault.exe a6c2a7ffb68b797967ad979e51a1330e9f16223e4f5dc8500b0a58741176f83c.exe

pid	pid_target	process	target process
4924	1400	WerFault.exe	a6c2a7ffb68b797967ad979e51a1330e9f16223e4f5dc8500b0a58741176f83c.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:

a6c2a7ffb68b797967ad979e51a1330e9f16223e4f5dc8500b0a58741176f83c.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a6c2a7ffb68b797967ad979e51a1330e9f16223e4f5dc8500b0a58741176f83c.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a6c2a7ffb68b797967ad979e51a1330e9f16223e4f5dc8500b0a58741176f83c.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a6c2a7ffb68b797967ad979e51a1330e9f16223e4f5dc8500b0a58741176f83c.exe

C:\Users\Admin\AppData\Local\Temp\a6c2a7ffb68b797967ad979e51a1330e9f16223e4f5dc8500b0a58741176f83c.exe
"C:\Users\Admin\AppData\Local\Temp\a6c2a7ffb68b797967ad979e51a1330e9f16223e4f5dc8500b0a58741176f83c.exe"
1⤵
- Checks SCSI registry key(s)
PID:1400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1400 -s 484
2⤵
- Program crash
PID:4924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1400 -ip 1400
1⤵
PID:1344

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/1400-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1400-2-0x0000000002980000-0x000000000298B000-memory.dmp

Filesize
44KB

Download
memory/1400-1-0x00000000029A0000-0x0000000002AA0000-memory.dmp

Filesize
1024KB

Download
memory/1400-4-0x0000000000400000-0x0000000002716000-memory.dmp

Filesize
35.1MB

Download