smokeloader | 30f6a20fdd2bc0624521ccc1c47f97fa1092900cbba4b79b61cd8aac50044079

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 14:01

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General

Target

f535cb83327e538178033cc1490afb39908b9f9134a6ba1c229adb3633638cc4.exe
Size

216KB
MD5

f9b11ed5cbfd00d85daac43bacc8254f
SHA1

c4e7bcbfe07e197fecff7fa0de681001f09a6979
SHA256

f535cb83327e538178033cc1490afb39908b9f9134a6ba1c229adb3633638cc4
SHA512

7ae3b8ab3f1bb50d12e4b536685c764327db6c64639e670ff2592285442f89fb2f87b842a93789b8c647054726d4143f8353bbfdfcbe76398135d5a25af206a9
SSDEEP

3072:kZ714GSPqu48JLyoy6qtSyr57T95kf8re7iUX86JA/lnGabliVJx:kZaCu3LyoyNtSST95Ase7JlWRSVJ

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 2092 set thread context of 2528	2092	f535cb83327e538178033cc1490afb39908b9f9134a6ba1c229adb3633638cc4.exe	30

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	f535cb83327e538178033cc1490afb39908b9f9134a6ba1c229adb3633638cc4.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 2528	2092	f535cb83327e538178033cc1490afb39908b9f9134a6ba1c229adb3633638cc4.exe	30
PID 2092 wrote to memory of 2528	2092	f535cb83327e538178033cc1490afb39908b9f9134a6ba1c229adb3633638cc4.exe	30
PID 2092 wrote to memory of 2528	2092	f535cb83327e538178033cc1490afb39908b9f9134a6ba1c229adb3633638cc4.exe	30
PID 2092 wrote to memory of 2528	2092	f535cb83327e538178033cc1490afb39908b9f9134a6ba1c229adb3633638cc4.exe	30
PID 2092 wrote to memory of 2528	2092	f535cb83327e538178033cc1490afb39908b9f9134a6ba1c229adb3633638cc4.exe	30
PID 2092 wrote to memory of 2528	2092	f535cb83327e538178033cc1490afb39908b9f9134a6ba1c229adb3633638cc4.exe	30
PID 2092 wrote to memory of 2528	2092	f535cb83327e538178033cc1490afb39908b9f9134a6ba1c229adb3633638cc4.exe	30

C:\Users\Admin\AppData\Local\Temp\f535cb83327e538178033cc1490afb39908b9f9134a6ba1c229adb3633638cc4.exe
"C:\Users\Admin\AppData\Local\Temp\f535cb83327e538178033cc1490afb39908b9f9134a6ba1c229adb3633638cc4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Users\Admin\AppData\Local\Temp\f535cb83327e538178033cc1490afb39908b9f9134a6ba1c229adb3633638cc4.exe
  "C:\Users\Admin\AppData\Local\Temp\f535cb83327e538178033cc1490afb39908b9f9134a6ba1c229adb3633638cc4.exe"
  2⤵
  PID:2528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2092-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

Filesize
1024KB

Download
memory/2092-2-0x00000000001B0000-0x00000000001B9000-memory.dmp

Filesize
36KB

Download
memory/2528-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2528-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2528-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2528-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download