smokeloader | 4c7ac986f044260cb941997cb5850e02d50a76870cf24274174e149481e26295

Analysis

max time kernel
94s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2024, 18:42

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General

Target

4c7ac986f044260cb941997cb5850e02d50a76870cf24274174e149481e26295.exe
Size

274KB
MD5

42fff4008ddf7d279c2f1a1ec197a28c
SHA1

0a4dccee8111d64ac0a0d25e52a278472ff93e6b
SHA256

4c7ac986f044260cb941997cb5850e02d50a76870cf24274174e149481e26295
SHA512

2f05e40b5aae8c707d4ca837be98203b57a05bcf740652ecb4593d397fdbca1d8d8d23465c9002acac3b6e92b9434859fdf55dc3a1fd9d814f26d96ab299753b
SSDEEP

6144:jnQ//Su0WqReJhMhqhI+oHEGhB4qf4P5OIKo:rQh0WqReJhiqm+V2BX4YIK

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

pid	pid_target	Process	procid_target
4504	540	WerFault.exe	82

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	4c7ac986f044260cb941997cb5850e02d50a76870cf24274174e149481e26295.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4c7ac986f044260cb941997cb5850e02d50a76870cf24274174e149481e26295.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4c7ac986f044260cb941997cb5850e02d50a76870cf24274174e149481e26295.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4c7ac986f044260cb941997cb5850e02d50a76870cf24274174e149481e26295.exe

C:\Users\Admin\AppData\Local\Temp\4c7ac986f044260cb941997cb5850e02d50a76870cf24274174e149481e26295.exe
"C:\Users\Admin\AppData\Local\Temp\4c7ac986f044260cb941997cb5850e02d50a76870cf24274174e149481e26295.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:540
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 540 -s 352
  2⤵
  - Program crash
  PID:4504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 540 -ip 540
1⤵
PID:2892

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/540-1-0x0000000002C90000-0x0000000002D90000-memory.dmp

Filesize
1024KB

Download
memory/540-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/540-3-0x0000000000400000-0x0000000002C43000-memory.dmp

Filesize
40.3MB

Download
memory/540-5-0x0000000000400000-0x0000000002C43000-memory.dmp

Filesize
40.3MB

Download
memory/540-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download