smokeloader | f6dbbdebe3b9e22d4ca07158b4c0a6b4b840593afeb6392f9942c27d66d8a9ff

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08/11/2024, 09:38

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General

Target
f6dbbdebe3b9e22d4ca07158b4c0a6b4b840593afeb6392f9942c27d66d8a9ff.exe
Size 324KB
Sample241108-lmgexayret
SHA256 f6dbbdebe3b9e22d4ca07158b4c0a6b4b840593afeb6392f9942c27d66d8a9ff
MD5 ae116a7b24b9a47f81c09b9c7ed1bfae
SHA1 9a02723281cb8bb32746aa726f267e505262ed08
SHA512 ef3dece063cf2e0ff8b9778968869c885b4ad852b212c5b5f4eed054f636b3a2a73a3db5da87e34d9823055071a5f8657fb42117cc6aeeba3b0870d5c7ba96f5
SSDEEP 6144:ErYOO97dAJI9FNbZ+A7shI3qkuAa6SKtR:8tO9CJI9FNbZ+A7sI3qEa6SI
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

smokeloader pub3 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

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 1812 set thread context of 4020	1812	f6dbbdebe3b9e22d4ca07158b4c0a6b4b840593afeb6392f9942c27d66d8a9ff.exe	86

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	f6dbbdebe3b9e22d4ca07158b4c0a6b4b840593afeb6392f9942c27d66d8a9ff.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	f6dbbdebe3b9e22d4ca07158b4c0a6b4b840593afeb6392f9942c27d66d8a9ff.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f6dbbdebe3b9e22d4ca07158b4c0a6b4b840593afeb6392f9942c27d66d8a9ff.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f6dbbdebe3b9e22d4ca07158b4c0a6b4b840593afeb6392f9942c27d66d8a9ff.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1812 wrote to memory of 4020	1812	f6dbbdebe3b9e22d4ca07158b4c0a6b4b840593afeb6392f9942c27d66d8a9ff.exe	86
PID 1812 wrote to memory of 4020	1812	f6dbbdebe3b9e22d4ca07158b4c0a6b4b840593afeb6392f9942c27d66d8a9ff.exe	86
PID 1812 wrote to memory of 4020	1812	f6dbbdebe3b9e22d4ca07158b4c0a6b4b840593afeb6392f9942c27d66d8a9ff.exe	86
PID 1812 wrote to memory of 4020	1812	f6dbbdebe3b9e22d4ca07158b4c0a6b4b840593afeb6392f9942c27d66d8a9ff.exe	86
PID 1812 wrote to memory of 4020	1812	f6dbbdebe3b9e22d4ca07158b4c0a6b4b840593afeb6392f9942c27d66d8a9ff.exe	86
PID 1812 wrote to memory of 4020	1812	f6dbbdebe3b9e22d4ca07158b4c0a6b4b840593afeb6392f9942c27d66d8a9ff.exe	86

C:\Users\Admin\AppData\Local\Temp\f6dbbdebe3b9e22d4ca07158b4c0a6b4b840593afeb6392f9942c27d66d8a9ff.exe
"C:\Users\Admin\AppData\Local\Temp\f6dbbdebe3b9e22d4ca07158b4c0a6b4b840593afeb6392f9942c27d66d8a9ff.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1812
- C:\Users\Admin\AppData\Local\Temp\f6dbbdebe3b9e22d4ca07158b4c0a6b4b840593afeb6392f9942c27d66d8a9ff.exe
  "C:\Users\Admin\AppData\Local\Temp\f6dbbdebe3b9e22d4ca07158b4c0a6b4b840593afeb6392f9942c27d66d8a9ff.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:4020

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/1812-1-0x0000000000760000-0x0000000000860000-memory.dmp

Download

memory/1812-2-0x0000000002220000-0x0000000002229000-memory.dmp

Download

memory/4020-3-0x0000000000400000-0x0000000000409000-memory.dmp

Download

memory/4020-4-0x0000000000400000-0x0000000000409000-memory.dmp

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memory/4020-5-0x0000000000400000-0x0000000000409000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads