smokeloader | b44ee45405a4a0ecae0b5d0b7d637c31a8f549e425ce684c7e8f9f3f82b74011

Analysis

max time kernel
16s
max time network
23s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
06-11-2024 18:38

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General

Target

91eac464b6c8625057aaea931cb13eb8.exe
Size

231KB
MD5

91eac464b6c8625057aaea931cb13eb8
SHA1

47c15b98b7a053e4588c90eb7cb5fff541547e00
SHA256

b44ee45405a4a0ecae0b5d0b7d637c31a8f549e425ce684c7e8f9f3f82b74011
SHA512

c8fcf308d7aee0b72fc35db3e91d228cb7ba5060d9c07c62782c982749eea05aa78e6d6e306f408d514af470e2540c1fd1669170858b9bdef0dac51f8ba9b7e2
SSDEEP

6144:bJeVJHKvJbW+2pubEILjDHIxkzIXOerwVfEz:bJeVJHs32MYIDjAf

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
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2200 2752 WerFault.exe 91eac464b6c8625057aaea931cb13eb8.exe
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

Processes:

91eac464b6c8625057aaea931cb13eb8.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 91eac464b6c8625057aaea931cb13eb8.exe

pid	pid_target	process	target process
2200	2752	WerFault.exe	91eac464b6c8625057aaea931cb13eb8.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	91eac464b6c8625057aaea931cb13eb8.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

91eac464b6c8625057aaea931cb13eb8.exe

description	pid	process	target process
PID 2752 wrote to memory of 2200	2752	91eac464b6c8625057aaea931cb13eb8.exe	WerFault.exe
PID 2752 wrote to memory of 2200	2752	91eac464b6c8625057aaea931cb13eb8.exe	WerFault.exe
PID 2752 wrote to memory of 2200	2752	91eac464b6c8625057aaea931cb13eb8.exe	WerFault.exe
PID 2752 wrote to memory of 2200	2752	91eac464b6c8625057aaea931cb13eb8.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\91eac464b6c8625057aaea931cb13eb8.exe
"C:\Users\Admin\AppData\Local\Temp\91eac464b6c8625057aaea931cb13eb8.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2752
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2752 -s 140
  2⤵
  - Program crash
  PID:2200

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

Replay Monitor

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Downloads

memory/2752-1-0x0000000000670000-0x0000000000770000-memory.dmp

Filesize
1024KB

Download
memory/2752-2-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2752-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2752-4-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/2752-5-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2752-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download