smokeloader | 9608129701213f7565040f385e8c263d0daaa01ce31dcc7f95a7584c7bf4ad44

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
31-07-2024 10:53

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General

Target

ea2a2d0b594f527f391abdf595d5f93424d9121dc292ff458362bff765bff2cd.exe
Size

244KB
MD5

1f45148595dd5c401bc8c0d150a74cbc
SHA1

a53b57b67512d4151c4a5d06dac512643da21be7
SHA256

ea2a2d0b594f527f391abdf595d5f93424d9121dc292ff458362bff765bff2cd
SHA512

c810db3b5dfa70f14425fb411c3bd35ad6c23d3fe3bcf03b604bf51033bf22aecba6bc61bd0ade06228b8b4c82d0a595e105a3ff3a3c2399a741c21c4c14906a
SSDEEP

3072:/dTQbbg5wTza51NrtMTVG6WTvPhsZVggjcGkNIVqI/sxkgaBCh0pZa9uD6VdyhkZ:/hwT0jUVPVb7ITsqXigaXwVfZ

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3756 set thread context of 4052	3756	ea2a2d0b594f527f391abdf595d5f93424d9121dc292ff458362bff765bff2cd.exe	85

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ea2a2d0b594f527f391abdf595d5f93424d9121dc292ff458362bff765bff2cd.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ea2a2d0b594f527f391abdf595d5f93424d9121dc292ff458362bff765bff2cd.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ea2a2d0b594f527f391abdf595d5f93424d9121dc292ff458362bff765bff2cd.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ea2a2d0b594f527f391abdf595d5f93424d9121dc292ff458362bff765bff2cd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3756 wrote to memory of 4052	3756	ea2a2d0b594f527f391abdf595d5f93424d9121dc292ff458362bff765bff2cd.exe	85
PID 3756 wrote to memory of 4052	3756	ea2a2d0b594f527f391abdf595d5f93424d9121dc292ff458362bff765bff2cd.exe	85
PID 3756 wrote to memory of 4052	3756	ea2a2d0b594f527f391abdf595d5f93424d9121dc292ff458362bff765bff2cd.exe	85
PID 3756 wrote to memory of 4052	3756	ea2a2d0b594f527f391abdf595d5f93424d9121dc292ff458362bff765bff2cd.exe	85
PID 3756 wrote to memory of 4052	3756	ea2a2d0b594f527f391abdf595d5f93424d9121dc292ff458362bff765bff2cd.exe	85
PID 3756 wrote to memory of 4052	3756	ea2a2d0b594f527f391abdf595d5f93424d9121dc292ff458362bff765bff2cd.exe	85

C:\Users\Admin\AppData\Local\Temp\ea2a2d0b594f527f391abdf595d5f93424d9121dc292ff458362bff765bff2cd.exe
"C:\Users\Admin\AppData\Local\Temp\ea2a2d0b594f527f391abdf595d5f93424d9121dc292ff458362bff765bff2cd.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3756
- C:\Users\Admin\AppData\Local\Temp\ea2a2d0b594f527f391abdf595d5f93424d9121dc292ff458362bff765bff2cd.exe
  "C:\Users\Admin\AppData\Local\Temp\ea2a2d0b594f527f391abdf595d5f93424d9121dc292ff458362bff765bff2cd.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:4052

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/3756-0-0x0000000002F20000-0x0000000002F29000-memory.dmp

Filesize
36KB

Download
memory/3756-1-0x0000000002F30000-0x0000000002F39000-memory.dmp

Filesize
36KB

Download
memory/4052-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4052-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4052-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download