smokeloader | 7bb6835b582ad6d41c4aaa378a6bb8e2a23cf69174e0262df8405f2a1031c636

Analysis

max time kernel
136s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
25-06-2024 20:01

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General

Target

7bb6835b582ad6d41c4aaa378a6bb8e2a23cf69174e0262df8405f2a1031c636.exe
Size

305KB
MD5

479b189bfe83f71526321ab6e98d20ec
SHA1

cc6584c77c646a1d0e5a8a95e5cc89cffa885c1c
SHA256

7bb6835b582ad6d41c4aaa378a6bb8e2a23cf69174e0262df8405f2a1031c636
SHA512

be5f07daa0bcbe6975d9c2eeaab2dfe051e6e5bd1475259e9aaf0e99a90e079a874aba484a2bd6c132ca7118db4de68593f03ae4865d20dc5bb655d076af0d2e
SSDEEP

3072:zNGLnopAUPkcrkvl/Yy7bhAoUhfA5bt4LtjrI1Ek1EVxTEqS:0LopZP2lwy7bhTUhfU8jWNz

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

880 1392 WerFault.exe 7bb6835b582ad6d41c4aaa378a6bb8e2a23cf69174e0262df8405f2a1031c636.exe

pid	pid_target	process	target process
880	1392	WerFault.exe	7bb6835b582ad6d41c4aaa378a6bb8e2a23cf69174e0262df8405f2a1031c636.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:

7bb6835b582ad6d41c4aaa378a6bb8e2a23cf69174e0262df8405f2a1031c636.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	7bb6835b582ad6d41c4aaa378a6bb8e2a23cf69174e0262df8405f2a1031c636.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	7bb6835b582ad6d41c4aaa378a6bb8e2a23cf69174e0262df8405f2a1031c636.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	7bb6835b582ad6d41c4aaa378a6bb8e2a23cf69174e0262df8405f2a1031c636.exe

C:\Users\Admin\AppData\Local\Temp\7bb6835b582ad6d41c4aaa378a6bb8e2a23cf69174e0262df8405f2a1031c636.exe
"C:\Users\Admin\AppData\Local\Temp\7bb6835b582ad6d41c4aaa378a6bb8e2a23cf69174e0262df8405f2a1031c636.exe"
1⤵
- Checks SCSI registry key(s)
PID:1392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1392 -s 460
2⤵
- Program crash
PID:880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1392 -ip 1392
1⤵
PID:4964

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/1392-1-0x0000000002710000-0x0000000002810000-memory.dmp

Filesize
1024KB

Download
memory/1392-2-0x00000000026E0000-0x00000000026EB000-memory.dmp

Filesize
44KB

Download
memory/1392-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1392-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1392-5-0x00000000026E0000-0x00000000026EB000-memory.dmp

Filesize
44KB

Download
memory/1392-4-0x0000000000400000-0x0000000002368000-memory.dmp

Filesize
31.4MB

Download