smokeloader | 8fd1f9fdfe550d25b906fb9db0582c8f23ced386cb56106689dc9aa893269ff2

Analysis

max time kernel
133s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
03-07-2024 15:17

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General

Target

8fd1f9fdfe550d25b906fb9db0582c8f23ced386cb56106689dc9aa893269ff2.exe
Size

162KB
MD5

2ef25e29fd3a21efa1faa50351097688
SHA1

37aefc3d1d188fdd0c6ece1a42e57be753485e67
SHA256

8fd1f9fdfe550d25b906fb9db0582c8f23ced386cb56106689dc9aa893269ff2
SHA512

adc9494c029c6b649ffedb55daa547a16637b9951f1723f6b52f004183f7a3233e7dad321ad0f4a415886837dc2ebe1737e2078050d2f42cd3ac951ad801c6dc
SSDEEP

1536:tHQL7nEDiaztjtahVZetOObbsrm5kurI62MQnum+v815V6Ku4xfrmbFeSpjqy2Om:twLrmBjgZ0symO4u1815+GkFNqynj

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

2340 2700 WerFault.exe 8fd1f9fdfe550d25b906fb9db0582c8f23ced386cb56106689dc9aa893269ff2.exe

pid	pid_target	process	target process
2340	2700	WerFault.exe	8fd1f9fdfe550d25b906fb9db0582c8f23ced386cb56106689dc9aa893269ff2.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:

8fd1f9fdfe550d25b906fb9db0582c8f23ced386cb56106689dc9aa893269ff2.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8fd1f9fdfe550d25b906fb9db0582c8f23ced386cb56106689dc9aa893269ff2.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8fd1f9fdfe550d25b906fb9db0582c8f23ced386cb56106689dc9aa893269ff2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8fd1f9fdfe550d25b906fb9db0582c8f23ced386cb56106689dc9aa893269ff2.exe

C:\Users\Admin\AppData\Local\Temp\8fd1f9fdfe550d25b906fb9db0582c8f23ced386cb56106689dc9aa893269ff2.exe
"C:\Users\Admin\AppData\Local\Temp\8fd1f9fdfe550d25b906fb9db0582c8f23ced386cb56106689dc9aa893269ff2.exe"
1⤵
- Checks SCSI registry key(s)
PID:2700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2700 -s 460
2⤵
- Program crash
PID:2340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2700 -ip 2700
1⤵
PID:4376

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/2700-1-0x0000000002970000-0x0000000002A70000-memory.dmp

Filesize
1024KB

Download
memory/2700-2-0x00000000027A0000-0x00000000027AB000-memory.dmp

Filesize
44KB

Download
memory/2700-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2700-4-0x0000000000400000-0x0000000002716000-memory.dmp

Filesize
35.1MB

Download