smokeloader | 09ae5b72d7b3da05904c0edf9985ca64bca078f0a38e01eaceccc26bc2113fd8

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 19:06

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General

Target

a66f7c783c40326c27fad4db5587dc85.exe
Size

210KB
MD5

a66f7c783c40326c27fad4db5587dc85
SHA1

77212137e94cd93a955374ff013d5ae8c92a0af5
SHA256

09ae5b72d7b3da05904c0edf9985ca64bca078f0a38e01eaceccc26bc2113fd8
SHA512

15fe97c4dcf2f0435e5b18840a7aea540bcff40566c5ae45dea3df03647aeb3e004de8bc773d5badf1fcdea76be7a854613784cbba06aa55064b6023acb8e188
SSDEEP

3072:sskFUgrChWOZ55UV9+GSi/6nIFjkFce9SkqB/3cx+JB/gjSQYUbJJRN5pwYS:MFL2WOH6fajL9Hw3O+JBkY+/fuY

Score

10^/10

smokeloader sel2 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

sel2

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

1184 4200 WerFault.exe a66f7c783c40326c27fad4db5587dc85.exe

pid	pid_target	process	target process
1184	4200	WerFault.exe	a66f7c783c40326c27fad4db5587dc85.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:

a66f7c783c40326c27fad4db5587dc85.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a66f7c783c40326c27fad4db5587dc85.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a66f7c783c40326c27fad4db5587dc85.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a66f7c783c40326c27fad4db5587dc85.exe

C:\Users\Admin\AppData\Local\Temp\a66f7c783c40326c27fad4db5587dc85.exe
"C:\Users\Admin\AppData\Local\Temp\a66f7c783c40326c27fad4db5587dc85.exe"
1⤵
- Checks SCSI registry key(s)
PID:4200
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4200 -s 352
  2⤵
  - Program crash
  PID:1184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4200 -ip 4200
1⤵
PID:3720

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

Replay Monitor

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Downloads

memory/4200-1-0x0000000002EE0000-0x0000000002FE0000-memory.dmp

Filesize
1024KB

Download
memory/4200-2-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4200-3-0x0000000000400000-0x0000000002C93000-memory.dmp

Filesize
40.6MB

Download