smokeloader | ea30648583c3b9a09ed635f320bcb7a0624c6bb8b45d8538836f3b9a3e44dbd6

Analysis

max time kernel
90s
max time network
99s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
25-06-2024 19:46

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General

Target

ea30648583c3b9a09ed635f320bcb7a0624c6bb8b45d8538836f3b9a3e44dbd6.exe
Size

319KB
MD5

d77bff6e3882278c09d2c58459befbf3
SHA1

d6e81c1617bef7c73c0d962eb1c242dddfb15a15
SHA256

ea30648583c3b9a09ed635f320bcb7a0624c6bb8b45d8538836f3b9a3e44dbd6
SHA512

a7d30510f6ab6553baf3c098964bf7079b49cd874aac9e9a8d118d7c8497b4bf45d6a417105c5ed90ea9610e59e9336219490b2368e866cc2a319a9cc2b7bd0d
SSDEEP

3072:0An1LklgnG3cq4LJLVOIWp9mqxie3A6b5xt4Lti5P1Ek1EVxTEqS:ZLGgG54LJIb9PieQk8inNz

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

3124 1988 WerFault.exe ea30648583c3b9a09ed635f320bcb7a0624c6bb8b45d8538836f3b9a3e44dbd6.exe

pid	pid_target	process	target process
3124	1988	WerFault.exe	ea30648583c3b9a09ed635f320bcb7a0624c6bb8b45d8538836f3b9a3e44dbd6.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:

ea30648583c3b9a09ed635f320bcb7a0624c6bb8b45d8538836f3b9a3e44dbd6.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ea30648583c3b9a09ed635f320bcb7a0624c6bb8b45d8538836f3b9a3e44dbd6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ea30648583c3b9a09ed635f320bcb7a0624c6bb8b45d8538836f3b9a3e44dbd6.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ea30648583c3b9a09ed635f320bcb7a0624c6bb8b45d8538836f3b9a3e44dbd6.exe

C:\Users\Admin\AppData\Local\Temp\ea30648583c3b9a09ed635f320bcb7a0624c6bb8b45d8538836f3b9a3e44dbd6.exe
"C:\Users\Admin\AppData\Local\Temp\ea30648583c3b9a09ed635f320bcb7a0624c6bb8b45d8538836f3b9a3e44dbd6.exe"
1⤵
- Checks SCSI registry key(s)
PID:1988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1988 -s 236
2⤵
- Program crash
PID:3124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1988 -ip 1988
1⤵
PID:2836

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/1988-1-0x00000000025A0000-0x00000000026A0000-memory.dmp

Filesize
1024KB

Download
memory/1988-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1988-2-0x0000000002590000-0x000000000259B000-memory.dmp

Filesize
44KB

Download
memory/1988-4-0x0000000000400000-0x000000000236B000-memory.dmp

Filesize
31.4MB

Download