smokeloader | cfe2d63a056b79f593794c66db3cfe012a75cf3e248725c63cccaefce067a446

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 13:44

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General

Target

b6dc43a263d36023ac7f1c619f5a5549c1959251b0863cb5f601a221a795be90.exe
Size

260KB
MD5

f1977f3867bf6514ae9af1025e884b21
SHA1

653b87c8115032e42dbaa38ec5899ac792d9a283
SHA256

b6dc43a263d36023ac7f1c619f5a5549c1959251b0863cb5f601a221a795be90
SHA512

07c88097ff737f3fac6c7da2685d9c817c5383de3bcce5ad8e686bff666ae9f9504e7c7bbdbdc9660602c10225af6e42f9c3b5242f4c7b6bcd0d019e2710b99d
SSDEEP

3072:uk/CB8DkKLnHTurz5m7YTbCk6kPT8AqdCTCTU7/bYAVzBJhZYccAP4JfXM/h3:nCBqTLHTXET+UT8AOCTJ/E2TYKP4JfX

Score

10^/10

smokeloader pub4 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub4

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2532	2264	WerFault.exe	29

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	b6dc43a263d36023ac7f1c619f5a5549c1959251b0863cb5f601a221a795be90.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 2532	2264	b6dc43a263d36023ac7f1c619f5a5549c1959251b0863cb5f601a221a795be90.exe	30
PID 2264 wrote to memory of 2532	2264	b6dc43a263d36023ac7f1c619f5a5549c1959251b0863cb5f601a221a795be90.exe	30
PID 2264 wrote to memory of 2532	2264	b6dc43a263d36023ac7f1c619f5a5549c1959251b0863cb5f601a221a795be90.exe	30
PID 2264 wrote to memory of 2532	2264	b6dc43a263d36023ac7f1c619f5a5549c1959251b0863cb5f601a221a795be90.exe	30

C:\Users\Admin\AppData\Local\Temp\b6dc43a263d36023ac7f1c619f5a5549c1959251b0863cb5f601a221a795be90.exe
"C:\Users\Admin\AppData\Local\Temp\b6dc43a263d36023ac7f1c619f5a5549c1959251b0863cb5f601a221a795be90.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 136
  2⤵
  - Program crash
  PID:2532

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/2264-1-0x0000000002DC0000-0x0000000002EC0000-memory.dmp

Filesize
1024KB

Download
memory/2264-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2264-3-0x0000000000400000-0x0000000002C2F000-memory.dmp

Filesize
40.2MB

Download
memory/2264-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download