smokeloader | 044ae6880c387cfb07a131fd30ddab0afc94f381eb98289a88501766c4fa24e8

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-11-2024 20:08

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General

Target

b5cf5f35bf7ea527aab286cf4f24afc32d7d874b2ee752908bbc7d34bf049d93.exe
Size

232KB
MD5

7960146c3ce0103f7c63f99952955c3c
SHA1

e9f98268f7c481e44181fd16a552dedce30d6cee
SHA256

b5cf5f35bf7ea527aab286cf4f24afc32d7d874b2ee752908bbc7d34bf049d93
SHA512

440e6ffa38531d69dcce553ca9dc8834f863b5f64dcaa27437ac719bbc89de62f3dcbab04eb40ef35de5515c0f80f898888c18695ccb7c4625ba80bbff56cda7
SSDEEP

3072:dXOIZCL4NWfzzaaquRshHb2cfUqH2CMb5x7LYgWF3Cn5JN19BRLhdeQnpR:ZjCL4CaaXsB2csuPF3iJNvDLhoMp

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

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	procid_target
2684	2232	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

Processes:

b5cf5f35bf7ea527aab286cf4f24afc32d7d874b2ee752908bbc7d34bf049d93.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b5cf5f35bf7ea527aab286cf4f24afc32d7d874b2ee752908bbc7d34bf049d93.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

b5cf5f35bf7ea527aab286cf4f24afc32d7d874b2ee752908bbc7d34bf049d93.exe

description	pid	Process	procid_target
PID 2232 wrote to memory of 2684	2232	b5cf5f35bf7ea527aab286cf4f24afc32d7d874b2ee752908bbc7d34bf049d93.exe	30
PID 2232 wrote to memory of 2684	2232	b5cf5f35bf7ea527aab286cf4f24afc32d7d874b2ee752908bbc7d34bf049d93.exe	30
PID 2232 wrote to memory of 2684	2232	b5cf5f35bf7ea527aab286cf4f24afc32d7d874b2ee752908bbc7d34bf049d93.exe	30
PID 2232 wrote to memory of 2684	2232	b5cf5f35bf7ea527aab286cf4f24afc32d7d874b2ee752908bbc7d34bf049d93.exe	30

C:\Users\Admin\AppData\Local\Temp\b5cf5f35bf7ea527aab286cf4f24afc32d7d874b2ee752908bbc7d34bf049d93.exe
"C:\Users\Admin\AppData\Local\Temp\b5cf5f35bf7ea527aab286cf4f24afc32d7d874b2ee752908bbc7d34bf049d93.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2232 -s 136
  2⤵
  - Program crash
  PID:2684

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/2232-1-0x00000000008F0000-0x00000000009F0000-memory.dmp

Filesize
1024KB

Download
memory/2232-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2232-2-0x0000000000020000-0x0000000000029000-memory.dmp

Filesize
36KB

Download
memory/2232-4-0x0000000000400000-0x000000000083D000-memory.dmp

Filesize
4.2MB

Download