smokeloader | d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce

Analysis

max time kernel
75s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 20:49

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General

Target

d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce.exe
Size

344KB
MD5

3663c2d65299ef1082237ac34463b80c
SHA1

8f91e955ed01c9b54e0c44d8d384edd2cc7c048c
SHA256

d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce
SHA512

3312e73af11dc06652c69efd44e27010e7efefe2389f413b6ac940e41a3510b756dff747e6cea2ffcae1fd06241ab49032992a44583e050d03a58089f9209f5a
SSDEEP

6144:8x/bN3nD7DOhsPKlma2cHDjBG9V7a5nX+Da+1f0NGqqFLf2z1kBZ+iX:8ttD7D7Klma2cpWdKnuDa+1M6FLOzs/X

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

2668 3044 WerFault.exe d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce.exe

pid	pid_target	process	target process
2668	3044	WerFault.exe	d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce.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:

d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce.exe

description	pid	process	target process
PID 3044 wrote to memory of 2668	3044	d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce.exe	WerFault.exe
PID 3044 wrote to memory of 2668	3044	d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce.exe	WerFault.exe
PID 3044 wrote to memory of 2668	3044	d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce.exe	WerFault.exe
PID 3044 wrote to memory of 2668	3044	d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce.exe
"C:\Users\Admin\AppData\Local\Temp\d5883412b766888e26f47e0ad0853edc764b8671ae6e137044e3f5baa3dc7cce.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 136
  2⤵
  - Program crash
  PID:2668

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/3044-1-0x0000000000960000-0x0000000000A60000-memory.dmp

Filesize
1024KB

Download
memory/3044-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3044-3-0x0000000000400000-0x0000000000885000-memory.dmp

Filesize
4.5MB

Download
memory/3044-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download