smokeloader | 371b319740ed9eac908713cc254b2f439b0e677899eebf35c1786cf0b8f76cf6

Analysis

max time kernel
92s
max time network
95s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
24-05-2024 12:29

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General

Target

371b319740ed9eac908713cc254b2f439b0e677899eebf35c1786cf0b8f76cf6.exe
Size

220KB
MD5

789bc261e28fb7274d70e7fe52aafef7
SHA1

2f10c4c50378e4a20b9d9881819b427c85fdc294
SHA256

371b319740ed9eac908713cc254b2f439b0e677899eebf35c1786cf0b8f76cf6
SHA512

9403162eb9b02bcb1b0abc2aabc712749a15ab689744d891f2098f28e51d8e3ed7c5d01433653de055c9876c321d25914b3f1f779e952cbe6f4517d7a527d6d2
SSDEEP

3072:5u5IbhThxuVcnpWPgOZ1+JBhuxXMF8fDHeWvAJ8J/9Wq/FxBkXwaMt8wBQ8Py:bbhO2UgOjpbfDHeWvM8J/c2/kVLe

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

556 4596 WerFault.exe 371b319740ed9eac908713cc254b2f439b0e677899eebf35c1786cf0b8f76cf6.exe

pid	pid_target	process	target process
556	4596	WerFault.exe	371b319740ed9eac908713cc254b2f439b0e677899eebf35c1786cf0b8f76cf6.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:

371b319740ed9eac908713cc254b2f439b0e677899eebf35c1786cf0b8f76cf6.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	371b319740ed9eac908713cc254b2f439b0e677899eebf35c1786cf0b8f76cf6.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	371b319740ed9eac908713cc254b2f439b0e677899eebf35c1786cf0b8f76cf6.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	371b319740ed9eac908713cc254b2f439b0e677899eebf35c1786cf0b8f76cf6.exe

C:\Users\Admin\AppData\Local\Temp\371b319740ed9eac908713cc254b2f439b0e677899eebf35c1786cf0b8f76cf6.exe
"C:\Users\Admin\AppData\Local\Temp\371b319740ed9eac908713cc254b2f439b0e677899eebf35c1786cf0b8f76cf6.exe"
1⤵
- Checks SCSI registry key(s)
PID:4596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 384
2⤵
- Program crash
PID:556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4596 -ip 4596
1⤵
PID:2848

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

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Downloads

memory/4596-1-0x0000000002ED0000-0x0000000002FD0000-memory.dmp

Filesize
1024KB

Download
memory/4596-2-0x0000000002EC0000-0x0000000002ECB000-memory.dmp

Filesize
44KB

Download
memory/4596-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4596-4-0x0000000000400000-0x0000000002C96000-memory.dmp

Filesize
40.6MB

Download