smokeloader | f51d5efe699411f7bc0bfc5426effd846d562385224fbb88c88ad8ef7d774d87

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 13:53

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General

Target

f51d5efe699411f7bc0bfc5426effd846d562385224fbb88c88ad8ef7d774d87.exe
Size

260KB
MD5

fc266e54433a988e6d3727d43de08b0e
SHA1

2f333024faaa32792d8346e2b8b288475183dcf1
SHA256

f51d5efe699411f7bc0bfc5426effd846d562385224fbb88c88ad8ef7d774d87
SHA512

c24f0bc0062b7c923e03749c9d3b6e583f59f5607bfdfbf6d5eeb43f3540a9e264e952b080adcdda0bf98550773bb2383d5cc3d1bb0bc0856e6f77b578befa02
SSDEEP

3072:awyrRBYm6LdJXf2z57gukB3LRy407BmT7mWuLVf4WqR6cO51f8awM/h3:mrRBb6LDXug7B3LRSyyPLVf4Q1fC

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

pid	pid_target	Process	procid_target
2456	772	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	f51d5efe699411f7bc0bfc5426effd846d562385224fbb88c88ad8ef7d774d87.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 772 wrote to memory of 2456	772	f51d5efe699411f7bc0bfc5426effd846d562385224fbb88c88ad8ef7d774d87.exe	30
PID 772 wrote to memory of 2456	772	f51d5efe699411f7bc0bfc5426effd846d562385224fbb88c88ad8ef7d774d87.exe	30
PID 772 wrote to memory of 2456	772	f51d5efe699411f7bc0bfc5426effd846d562385224fbb88c88ad8ef7d774d87.exe	30
PID 772 wrote to memory of 2456	772	f51d5efe699411f7bc0bfc5426effd846d562385224fbb88c88ad8ef7d774d87.exe	30

C:\Users\Admin\AppData\Local\Temp\f51d5efe699411f7bc0bfc5426effd846d562385224fbb88c88ad8ef7d774d87.exe
"C:\Users\Admin\AppData\Local\Temp\f51d5efe699411f7bc0bfc5426effd846d562385224fbb88c88ad8ef7d774d87.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:772
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 136
  2⤵
  - Program crash
  PID:2456

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/772-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/772-2-0x00000000001B0000-0x00000000001B9000-memory.dmp

Filesize
36KB

Download
memory/772-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/772-5-0x00000000001B0000-0x00000000001B9000-memory.dmp

Filesize
36KB

Download
memory/772-4-0x0000000000400000-0x0000000002C2F000-memory.dmp

Filesize
40.2MB

Download