smokeloader | 648b9fcb0d85951f137b26f99fa67778e2209dc9b0c8fe805830544a571105e9

Analysis

max time kernel
92s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-12-2024 13:39

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General

Target

4d7eab317eab4a18d7754cf026eafb3e3f1fcc76e833c41ae4a30d158c0a4465.exe
Size

217KB
MD5

2b4a45aae59c924884e40693addcbd92
SHA1

675770ca2ed521ff9a7844a104fa8a3b8b815d35
SHA256

4d7eab317eab4a18d7754cf026eafb3e3f1fcc76e833c41ae4a30d158c0a4465
SHA512

a0d1695b9ca9ef92c31b52c06969dddb064a3ac1ca0f264c0e55ba0b0d4c610ecbe76d5670a26d14c3e37346d112ee09882df151dcc92de23144f7582dd7e036
SSDEEP

3072:FwHS4GEP2JOgQLZ/a6/ZOv+5rxoggbefduQsgOJygmoM/cbVfgAF/+1x:Fw9OJkLZ/a0ZOgBgbeLxFf/c9gAlw

Score

10^/10

smokeloader pub1 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2728 set thread context of 4968	2728	4d7eab317eab4a18d7754cf026eafb3e3f1fcc76e833c41ae4a30d158c0a4465.exe	83

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	4d7eab317eab4a18d7754cf026eafb3e3f1fcc76e833c41ae4a30d158c0a4465.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 queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4d7eab317eab4a18d7754cf026eafb3e3f1fcc76e833c41ae4a30d158c0a4465.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4d7eab317eab4a18d7754cf026eafb3e3f1fcc76e833c41ae4a30d158c0a4465.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4d7eab317eab4a18d7754cf026eafb3e3f1fcc76e833c41ae4a30d158c0a4465.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 4968	2728	4d7eab317eab4a18d7754cf026eafb3e3f1fcc76e833c41ae4a30d158c0a4465.exe	83
PID 2728 wrote to memory of 4968	2728	4d7eab317eab4a18d7754cf026eafb3e3f1fcc76e833c41ae4a30d158c0a4465.exe	83
PID 2728 wrote to memory of 4968	2728	4d7eab317eab4a18d7754cf026eafb3e3f1fcc76e833c41ae4a30d158c0a4465.exe	83
PID 2728 wrote to memory of 4968	2728	4d7eab317eab4a18d7754cf026eafb3e3f1fcc76e833c41ae4a30d158c0a4465.exe	83
PID 2728 wrote to memory of 4968	2728	4d7eab317eab4a18d7754cf026eafb3e3f1fcc76e833c41ae4a30d158c0a4465.exe	83
PID 2728 wrote to memory of 4968	2728	4d7eab317eab4a18d7754cf026eafb3e3f1fcc76e833c41ae4a30d158c0a4465.exe	83

C:\Users\Admin\AppData\Local\Temp\4d7eab317eab4a18d7754cf026eafb3e3f1fcc76e833c41ae4a30d158c0a4465.exe
"C:\Users\Admin\AppData\Local\Temp\4d7eab317eab4a18d7754cf026eafb3e3f1fcc76e833c41ae4a30d158c0a4465.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2728
- C:\Users\Admin\AppData\Local\Temp\4d7eab317eab4a18d7754cf026eafb3e3f1fcc76e833c41ae4a30d158c0a4465.exe
  "C:\Users\Admin\AppData\Local\Temp\4d7eab317eab4a18d7754cf026eafb3e3f1fcc76e833c41ae4a30d158c0a4465.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:4968

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/2728-1-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/2728-2-0x00000000022E0000-0x00000000022E9000-memory.dmp

Filesize
36KB

Download
memory/4968-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4968-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4968-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download