smokeloader | b32777a166bb4d25a30bafe5b4313bb6719514888c6387a8b7f4082692955cf3

Analysis

max time kernel
146s
max time network
157s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
04-07-2024 15:15

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General

Target

b32777a166bb4d25a30bafe5b4313bb6719514888c6387a8b7f4082692955cf3.exe
Size

186KB
MD5

e82a9648e4325dca29a446348203e343
SHA1

7dd354dfd4ccff78f4c13a706e4b54481368de22
SHA256

b32777a166bb4d25a30bafe5b4313bb6719514888c6387a8b7f4082692955cf3
SHA512

721f31fd492b811f9c6025a28c9a054302e23b5910192b4eb0a65cc83948f17700b21882348a6c6aa3d0cafe571d830e0bc88c7610f60af973871b71c76850d6
SSDEEP

3072:5o0vgj5mJ/KydyU1nb+Y+oa5n3ijHlsBF7XD:5oRlmJLN2fn3oH6f7

Score

10^/10

smokeloader pub2 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

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

1328 3348 WerFault.exe b32777a166bb4d25a30bafe5b4313bb6719514888c6387a8b7f4082692955cf3.exe

pid	pid_target	process	target process
1328	3348	WerFault.exe	b32777a166bb4d25a30bafe5b4313bb6719514888c6387a8b7f4082692955cf3.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:

b32777a166bb4d25a30bafe5b4313bb6719514888c6387a8b7f4082692955cf3.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b32777a166bb4d25a30bafe5b4313bb6719514888c6387a8b7f4082692955cf3.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b32777a166bb4d25a30bafe5b4313bb6719514888c6387a8b7f4082692955cf3.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b32777a166bb4d25a30bafe5b4313bb6719514888c6387a8b7f4082692955cf3.exe

C:\Users\Admin\AppData\Local\Temp\b32777a166bb4d25a30bafe5b4313bb6719514888c6387a8b7f4082692955cf3.exe
"C:\Users\Admin\AppData\Local\Temp\b32777a166bb4d25a30bafe5b4313bb6719514888c6387a8b7f4082692955cf3.exe"
1⤵
- Checks SCSI registry key(s)
PID:3348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3348 -s 488
2⤵
- Program crash
PID:1328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3348 -ip 3348
1⤵
PID:3744

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/3348-1-0x0000000002DD0000-0x0000000002ED0000-memory.dmp

Filesize
1024KB

Download
memory/3348-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3348-2-0x00000000048F0000-0x00000000048FB000-memory.dmp

Filesize
44KB

Download
memory/3348-4-0x0000000000400000-0x0000000002BE7000-memory.dmp

Filesize
39.9MB

Download