smokeloader | b2e19e715623c054220ea5ea4e01979bf43e2c78f6fdab5ee9d20e072aba5a41

Analysis

max time kernel
95s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2024 04:56

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General

Target

eb543eb7524568ae501966ff4ffe175e48bf3985.exe
Size

273KB
MD5

e18772840bb52e65f18efdb8b14ae516
SHA1

eb543eb7524568ae501966ff4ffe175e48bf3985
SHA256

b2e19e715623c054220ea5ea4e01979bf43e2c78f6fdab5ee9d20e072aba5a41
SHA512

720b274fbcaca3d31fd603fd5ee2d9b0b4217987995383a40b3d6b12d90694a488315d95e4f92ecb9c2abd98b9f7b2bde8f37744179b995acc08c5025f6ab34b
SSDEEP

6144:75W+ksp0b9Rjw+eOQnHFJJhTWNOhAvYm:N9p05Rjw+GH/uNo8z

Score

10^/10

smokeloader pub2 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3872 4804 WerFault.exe eb543eb7524568ae501966ff4ffe175e48bf3985.exe
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
discovery

System Language Discovery
T1614.001

Processes:

eb543eb7524568ae501966ff4ffe175e48bf3985.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language eb543eb7524568ae501966ff4ffe175e48bf3985.exe

pid	pid_target	process	target process
3872	4804	WerFault.exe	eb543eb7524568ae501966ff4ffe175e48bf3985.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eb543eb7524568ae501966ff4ffe175e48bf3985.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:

eb543eb7524568ae501966ff4ffe175e48bf3985.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	eb543eb7524568ae501966ff4ffe175e48bf3985.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	eb543eb7524568ae501966ff4ffe175e48bf3985.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	eb543eb7524568ae501966ff4ffe175e48bf3985.exe

C:\Users\Admin\AppData\Local\Temp\eb543eb7524568ae501966ff4ffe175e48bf3985.exe
"C:\Users\Admin\AppData\Local\Temp\eb543eb7524568ae501966ff4ffe175e48bf3985.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4804
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 352
  2⤵
  - Program crash
  PID:3872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4804 -ip 4804
1⤵
PID:4464

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4804-1-0x0000000002D50000-0x0000000002E50000-memory.dmp

Filesize
1024KB

Download
memory/4804-2-0x0000000002D20000-0x0000000002D29000-memory.dmp

Filesize
36KB

Download
memory/4804-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4804-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4804-5-0x0000000002D20000-0x0000000002D29000-memory.dmp

Filesize
36KB

Download
memory/4804-4-0x0000000000400000-0x0000000002C43000-memory.dmp

Filesize
40.3MB

Download