smokeloader | ec0c436444d77e6657310c5335f35132864b1c5b9287172c88b1be5f4833412b

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-11-2024 19:42

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General

Target

1338d926ad898d16855ca398db240621f0fe2eaabe16f93ac86ced80295ec0a1.exe
Size

191KB
MD5

74c6e803732d90d37524f3c4fb0642f8
SHA1

04f5f4a7621ec6b389b98676c1effab044fe608e
SHA256

1338d926ad898d16855ca398db240621f0fe2eaabe16f93ac86ced80295ec0a1
SHA512

57263f0ddfce4cf7fcd96993b06be4940523dad3e0e5a7fb2981b32a720967cc569ac5be059b6e9d4cb2d1e6f715767f011e50af557a49b3bb626e072770fd0e
SSDEEP

3072:i3hsp9+mctw6VODsFkoKLbHLvRXHAm2bEjUaPjuvifWksxkgaBChG:Ws7+ntKDxHLvRXf6EMifeiga

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

Processes:

WerFault.exe

pid pid_target process target process

3712 1924 WerFault.exe 1338d926ad898d16855ca398db240621f0fe2eaabe16f93ac86ced80295ec0a1.exe

pid	pid_target	process	target process
3712	1924	WerFault.exe	1338d926ad898d16855ca398db240621f0fe2eaabe16f93ac86ced80295ec0a1.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:

1338d926ad898d16855ca398db240621f0fe2eaabe16f93ac86ced80295ec0a1.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1338d926ad898d16855ca398db240621f0fe2eaabe16f93ac86ced80295ec0a1.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

Processes:

1338d926ad898d16855ca398db240621f0fe2eaabe16f93ac86ced80295ec0a1.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1338d926ad898d16855ca398db240621f0fe2eaabe16f93ac86ced80295ec0a1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1338d926ad898d16855ca398db240621f0fe2eaabe16f93ac86ced80295ec0a1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1338d926ad898d16855ca398db240621f0fe2eaabe16f93ac86ced80295ec0a1.exe

C:\Users\Admin\AppData\Local\Temp\1338d926ad898d16855ca398db240621f0fe2eaabe16f93ac86ced80295ec0a1.exe
"C:\Users\Admin\AppData\Local\Temp\1338d926ad898d16855ca398db240621f0fe2eaabe16f93ac86ced80295ec0a1.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:1924
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1924 -s 352
  2⤵
  - Program crash
  PID:3712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1924 -ip 1924
1⤵
PID:544

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

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Downloads

memory/1924-2-0x00000000021D0000-0x00000000021D9000-memory.dmp

Filesize
36KB

Download
memory/1924-1-0x00000000004E0000-0x00000000005E0000-memory.dmp

Filesize
1024KB

Download
memory/1924-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1924-4-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1924-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1924-5-0x00000000021D0000-0x00000000021D9000-memory.dmp

Filesize
36KB

Download