smokeloader | 78044ff8f74edccd5579136ba1d670ce4f382444735c3885ab0542dd2b77ce63

Analysis

max time kernel
150s
max time network
131s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24-05-2024 14:45

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General

Target

da83df46c9a090a82fe6e6cb5ea91ec010777168eccd438ca33ac3ac723c9ebd.exe
Size

944KB
MD5

d20145d18c8bf943cf8402ab923bfa8e
SHA1

08f4f5358625649f8016d73f7e7afeadbcd1883a
SHA256

da83df46c9a090a82fe6e6cb5ea91ec010777168eccd438ca33ac3ac723c9ebd
SHA512

8e98f14ca588dbe6a8eb666aa5f97927a87a8982937c02bc7bad04274fcb2599e9f230c84c3853598a04ff987e27434820896600e6eae9298f95d040f8bec1d4
SSDEEP

12288:hQ2Ud1N4ybhEJpSUnRNIL0l37KgKINBJoLXNwsIcuJk8qn0M3keJ:EdHxbhEJgUnRNIYlZjJo5wRtuz

Score

10^/10

smokeloader backdoor trojan

Malware Config

Extracted

Family

smokeloader

Version

2022

http://194.49.94.210/fks/index.php

rc4.i32

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

da83df46c9a090a82fe6e6cb5ea91ec010777168eccd438ca33ac3ac723c9ebd.exe

description	pid	process	target process
PID 2720 set thread context of 2984	2720	da83df46c9a090a82fe6e6cb5ea91ec010777168eccd438ca33ac3ac723c9ebd.exe	AppLaunch.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:

AppLaunch.exe

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

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

AppLaunch.exe

pid	process
2984	AppLaunch.exe
2984	AppLaunch.exe
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Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

AppLaunch.exe

pid process

2984 AppLaunch.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

da83df46c9a090a82fe6e6cb5ea91ec010777168eccd438ca33ac3ac723c9ebd.exe

description	pid	process	target process
PID 2720 wrote to memory of 2984	2720	da83df46c9a090a82fe6e6cb5ea91ec010777168eccd438ca33ac3ac723c9ebd.exe	AppLaunch.exe
PID 2720 wrote to memory of 2984	2720	da83df46c9a090a82fe6e6cb5ea91ec010777168eccd438ca33ac3ac723c9ebd.exe	AppLaunch.exe
PID 2720 wrote to memory of 2984	2720	da83df46c9a090a82fe6e6cb5ea91ec010777168eccd438ca33ac3ac723c9ebd.exe	AppLaunch.exe
PID 2720 wrote to memory of 2984	2720	da83df46c9a090a82fe6e6cb5ea91ec010777168eccd438ca33ac3ac723c9ebd.exe	AppLaunch.exe
PID 2720 wrote to memory of 2984	2720	da83df46c9a090a82fe6e6cb5ea91ec010777168eccd438ca33ac3ac723c9ebd.exe	AppLaunch.exe
PID 2720 wrote to memory of 2984	2720	da83df46c9a090a82fe6e6cb5ea91ec010777168eccd438ca33ac3ac723c9ebd.exe	AppLaunch.exe
PID 2720 wrote to memory of 2984	2720	da83df46c9a090a82fe6e6cb5ea91ec010777168eccd438ca33ac3ac723c9ebd.exe	AppLaunch.exe
PID 2720 wrote to memory of 2984	2720	da83df46c9a090a82fe6e6cb5ea91ec010777168eccd438ca33ac3ac723c9ebd.exe	AppLaunch.exe
PID 2720 wrote to memory of 2984	2720	da83df46c9a090a82fe6e6cb5ea91ec010777168eccd438ca33ac3ac723c9ebd.exe	AppLaunch.exe
PID 2720 wrote to memory of 2984	2720	da83df46c9a090a82fe6e6cb5ea91ec010777168eccd438ca33ac3ac723c9ebd.exe	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\da83df46c9a090a82fe6e6cb5ea91ec010777168eccd438ca33ac3ac723c9ebd.exe
"C:\Users\Admin\AppData\Local\Temp\da83df46c9a090a82fe6e6cb5ea91ec010777168eccd438ca33ac3ac723c9ebd.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2720

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2984

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1204-5-0x00000000029B0000-0x00000000029C6000-memory.dmp

Filesize
88KB

Download
memory/2984-1-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2984-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2984-2-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2984-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2984-4-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2984-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download