smokeloader | b6864ad94a236fef782b2ec2718548623c386608f84ca59e64b0e18740225906

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 14:49

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General

Target

3f5f2f72994f7d3c24b93fbf7061fd81a02957c53c8c9baf92be1f44430b3aff.exe
Size

173KB
MD5

776411c41ad36b6a973e9fbf34586ab9
SHA1

9afabe1c1cc82bfdfdecfed8f596a3b892df64d3
SHA256

3f5f2f72994f7d3c24b93fbf7061fd81a02957c53c8c9baf92be1f44430b3aff
SHA512

e36f14597e2720671018d55ea7b119eadca3b7cbafe2d6e038503be8ad0641f0f5b8d473fbd4293a2a0e51df652d98129206d973a46aa658b29ea240705ab141
SSDEEP

3072:JOd6f37LYfIhVhA7/xRy081JjKXOw8NgvEtSCCYJzJfu:c2LYfIhVhA721QXBCtSC5Jf

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
2984	1972	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	3f5f2f72994f7d3c24b93fbf7061fd81a02957c53c8c9baf92be1f44430b3aff.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 2984	1972	3f5f2f72994f7d3c24b93fbf7061fd81a02957c53c8c9baf92be1f44430b3aff.exe	30
PID 1972 wrote to memory of 2984	1972	3f5f2f72994f7d3c24b93fbf7061fd81a02957c53c8c9baf92be1f44430b3aff.exe	30
PID 1972 wrote to memory of 2984	1972	3f5f2f72994f7d3c24b93fbf7061fd81a02957c53c8c9baf92be1f44430b3aff.exe	30
PID 1972 wrote to memory of 2984	1972	3f5f2f72994f7d3c24b93fbf7061fd81a02957c53c8c9baf92be1f44430b3aff.exe	30

C:\Users\Admin\AppData\Local\Temp\3f5f2f72994f7d3c24b93fbf7061fd81a02957c53c8c9baf92be1f44430b3aff.exe
"C:\Users\Admin\AppData\Local\Temp\3f5f2f72994f7d3c24b93fbf7061fd81a02957c53c8c9baf92be1f44430b3aff.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1972 -s 136
  2⤵
  - Program crash
  PID:2984

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/1972-1-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download
memory/1972-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1972-3-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download