smokeloader | 1ff08fb34d5742e1c7b20a39e9f246770487c74638683a2d427b52ffad9636ea

Resubmissions

24-12-2024 02:57

241224-dfsklaznfy 10

23-12-2024 19:48

241223-yjl77syrer 10

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-12-2024 19:48

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General

Target

07e6ea7c38621a02b0540b002de5c54b741755aa99e180826a67cfad67b7ed6c.exe
Size

278KB
MD5

858f367fe6d1df147a669f2b9e8a738c
SHA1

c3bf6c4f46cbbc59727af176aafeb79df07c9d91
SHA256

07e6ea7c38621a02b0540b002de5c54b741755aa99e180826a67cfad67b7ed6c
SHA512

9d8bd0fd573b44c6c11170c543019b12a662b88ef213f6044ac7785132ea39a091ec56ba7305a5bc8fc4a29ec91f3bce1cb5a430fc19de1cfa84ae6942ee00d8
SSDEEP

3072:BmszqE5oXoA0hRcQ+Jg9kBV9dBDmvKhXcVWrxpzbgqru:B7Oonh2UMdRmvKhSuzbgwu

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5032 set thread context of 2132	5032	07e6ea7c38621a02b0540b002de5c54b741755aa99e180826a67cfad67b7ed6c.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	07e6ea7c38621a02b0540b002de5c54b741755aa99e180826a67cfad67b7ed6c.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 enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	07e6ea7c38621a02b0540b002de5c54b741755aa99e180826a67cfad67b7ed6c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	07e6ea7c38621a02b0540b002de5c54b741755aa99e180826a67cfad67b7ed6c.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	07e6ea7c38621a02b0540b002de5c54b741755aa99e180826a67cfad67b7ed6c.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5032 wrote to memory of 2132	5032	07e6ea7c38621a02b0540b002de5c54b741755aa99e180826a67cfad67b7ed6c.exe	83
PID 5032 wrote to memory of 2132	5032	07e6ea7c38621a02b0540b002de5c54b741755aa99e180826a67cfad67b7ed6c.exe	83
PID 5032 wrote to memory of 2132	5032	07e6ea7c38621a02b0540b002de5c54b741755aa99e180826a67cfad67b7ed6c.exe	83
PID 5032 wrote to memory of 2132	5032	07e6ea7c38621a02b0540b002de5c54b741755aa99e180826a67cfad67b7ed6c.exe	83
PID 5032 wrote to memory of 2132	5032	07e6ea7c38621a02b0540b002de5c54b741755aa99e180826a67cfad67b7ed6c.exe	83
PID 5032 wrote to memory of 2132	5032	07e6ea7c38621a02b0540b002de5c54b741755aa99e180826a67cfad67b7ed6c.exe	83

C:\Users\Admin\AppData\Local\Temp\07e6ea7c38621a02b0540b002de5c54b741755aa99e180826a67cfad67b7ed6c.exe
"C:\Users\Admin\AppData\Local\Temp\07e6ea7c38621a02b0540b002de5c54b741755aa99e180826a67cfad67b7ed6c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5032
- C:\Users\Admin\AppData\Local\Temp\07e6ea7c38621a02b0540b002de5c54b741755aa99e180826a67cfad67b7ed6c.exe
  "C:\Users\Admin\AppData\Local\Temp\07e6ea7c38621a02b0540b002de5c54b741755aa99e180826a67cfad67b7ed6c.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:2132

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

Replay Monitor

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Downloads

memory/2132-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2132-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2132-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/5032-0-0x0000000002190000-0x0000000002199000-memory.dmp

Filesize
36KB

Download
memory/5032-1-0x00000000021A0000-0x00000000021A9000-memory.dmp

Filesize
36KB

Download
memory/5032-4-0x0000000002190000-0x0000000002199000-memory.dmp

Filesize
36KB

Download