smokeloader | 8a517dbbe4d1e4f5bc7f96e862589faf84d0ebb334cce650aa79d8d879b2e15f

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-11-2024 14:53

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General

Target

d65a485e8df155d8e1a48e7b1842b13e8b39be63.exe
Size

231KB
MD5

45f500dfc27107e7458ca8ab1b126ddd
SHA1

d65a485e8df155d8e1a48e7b1842b13e8b39be63
SHA256

8a517dbbe4d1e4f5bc7f96e862589faf84d0ebb334cce650aa79d8d879b2e15f
SHA512

a1a2afaa85bbaf662c427b4c6fea60655b37c57847310269974a0faa9a5ef0d3f60f8b137701334c50c1a71e989dab84b9a3cc523865b6e4a862e2c098f1a110
SSDEEP

6144:jBgZIc8u/RgZI6GmmiWCyjuVy/gHq7DZrwVfEz:FgZIB0StrWZrn1f

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

2656 2276 WerFault.exe d65a485e8df155d8e1a48e7b1842b13e8b39be63.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:

d65a485e8df155d8e1a48e7b1842b13e8b39be63.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d65a485e8df155d8e1a48e7b1842b13e8b39be63.exe

pid	pid_target	process	target process
2656	2276	WerFault.exe	d65a485e8df155d8e1a48e7b1842b13e8b39be63.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d65a485e8df155d8e1a48e7b1842b13e8b39be63.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

d65a485e8df155d8e1a48e7b1842b13e8b39be63.exe

description	pid	process	target process
PID 2276 wrote to memory of 2656	2276	d65a485e8df155d8e1a48e7b1842b13e8b39be63.exe	WerFault.exe
PID 2276 wrote to memory of 2656	2276	d65a485e8df155d8e1a48e7b1842b13e8b39be63.exe	WerFault.exe
PID 2276 wrote to memory of 2656	2276	d65a485e8df155d8e1a48e7b1842b13e8b39be63.exe	WerFault.exe
PID 2276 wrote to memory of 2656	2276	d65a485e8df155d8e1a48e7b1842b13e8b39be63.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\d65a485e8df155d8e1a48e7b1842b13e8b39be63.exe
"C:\Users\Admin\AppData\Local\Temp\d65a485e8df155d8e1a48e7b1842b13e8b39be63.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2276 -s 140
  2⤵
  - Program crash
  PID:2656

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/2276-1-0x0000000000560000-0x0000000000660000-memory.dmp

Filesize
1024KB

Download
memory/2276-3-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/2276-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download