smokeloader | e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-11-2024 10:03

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General

Target

e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566.exe
Size

314KB
MD5

8585ff38d5d24cfdf129c670b45d810f
SHA1

c6ff7a4005006dbaadfd307c1d3705251ff7bcf6
SHA256

e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566
SHA512

b3c948f8297877a6cecb9843a4364bf728bea03effc6c2124fc3f3f955ecc53bd46ffd1eb4437f7aa3cef61b6ce7265026ce1494e3024792941c888c30787b06
SSDEEP

3072:KHw0my/6DfB4X2laQfxOxXFogZ2qTeSwI6/Ys4iFousa+XFBWFn6jLBEoE94zHkz:vrYKKFZ2qPnXiCva+H8Ie34zd16

Score

10^/10

smokeloader pub3 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

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

2184 2232 WerFault.exe e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566.exe

pid	pid_target	process	target process
2184	2232	WerFault.exe	e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566.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:

e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566.exe

description	pid	process	target process
PID 2232 wrote to memory of 2184	2232	e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566.exe	WerFault.exe
PID 2232 wrote to memory of 2184	2232	e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566.exe	WerFault.exe
PID 2232 wrote to memory of 2184	2232	e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566.exe	WerFault.exe
PID 2232 wrote to memory of 2184	2232	e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566.exe
"C:\Users\Admin\AppData\Local\Temp\e3fcf8c514cebde470c4b0a76f716441863f70cb786825da8cf8a57c69da0566.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:2184

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/2232-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2232-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

Filesize
1024KB

Download
memory/2232-3-0x0000000000400000-0x00000000004D0000-memory.dmp

Filesize
832KB

Download
memory/2232-4-0x0000000000400000-0x00000000004D0000-memory.dmp

Filesize
832KB

Download
memory/2232-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download