smokeloader | 33adf37bfe4bffa1fe39bdbf0a51f6eb82feae2caced691096a40be0e56fc3dc

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
10-11-2024 02:23

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General

Target

ce7ac1c40fa31e0d69b33b4d9f5d917e9afc0430.exe
Size

275KB
MD5

db50948ac4a52fcc82a81f512caa237b
SHA1

ce7ac1c40fa31e0d69b33b4d9f5d917e9afc0430
SHA256

33adf37bfe4bffa1fe39bdbf0a51f6eb82feae2caced691096a40be0e56fc3dc
SHA512

029112690117d3d9149da4836d2a58679f3a6fc54295d441e00aee42bc447c123d92443292aa07a77f641b09971313b8ec470dfdabbea8873a0f8a5394d4f746
SSDEEP

6144:7q542Clnq5eUmjiR16GWvZSE9wGWkZirPVp9Iz6bO:7M42vvmjiR16GWBSXpkUL

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

2120 1916 WerFault.exe ce7ac1c40fa31e0d69b33b4d9f5d917e9afc0430.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:

ce7ac1c40fa31e0d69b33b4d9f5d917e9afc0430.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ce7ac1c40fa31e0d69b33b4d9f5d917e9afc0430.exe

pid	pid_target	process	target process
2120	1916	WerFault.exe	ce7ac1c40fa31e0d69b33b4d9f5d917e9afc0430.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ce7ac1c40fa31e0d69b33b4d9f5d917e9afc0430.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

ce7ac1c40fa31e0d69b33b4d9f5d917e9afc0430.exe

description	pid	process	target process
PID 1916 wrote to memory of 2120	1916	ce7ac1c40fa31e0d69b33b4d9f5d917e9afc0430.exe	WerFault.exe
PID 1916 wrote to memory of 2120	1916	ce7ac1c40fa31e0d69b33b4d9f5d917e9afc0430.exe	WerFault.exe
PID 1916 wrote to memory of 2120	1916	ce7ac1c40fa31e0d69b33b4d9f5d917e9afc0430.exe	WerFault.exe
PID 1916 wrote to memory of 2120	1916	ce7ac1c40fa31e0d69b33b4d9f5d917e9afc0430.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\ce7ac1c40fa31e0d69b33b4d9f5d917e9afc0430.exe
"C:\Users\Admin\AppData\Local\Temp\ce7ac1c40fa31e0d69b33b4d9f5d917e9afc0430.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1916 -s 136
  2⤵
  - Program crash
  PID:2120

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/1916-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1916-1-0x0000000002DE0000-0x0000000002EE0000-memory.dmp

Filesize
1024KB

Download
memory/1916-3-0x0000000000400000-0x0000000002C43000-memory.dmp

Filesize
40.3MB

Download