smokeloader | fb20b2f013f67c9b0833a8d895e189ae6d14c876edfc062e8f6beb288af7ad4c

Analysis

max time kernel
98s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 03:38

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General

Target

91c5be16a0920806b156dc117ff06960N.exe
Size

421KB
MD5

91c5be16a0920806b156dc117ff06960
SHA1

8e8abe418e07d9b706f2a9b51eb38f77c4724acd
SHA256

fb20b2f013f67c9b0833a8d895e189ae6d14c876edfc062e8f6beb288af7ad4c
SHA512

50d3df6b473cbb839e81eee2ae576c2fed868304bc2e415543c5a1b71a60cc4ca556e52988eff2679e057525e42ded7e5ad83ab07aece54b13d4e36e541e3625
SSDEEP

6144:clitdKHANjXlLaFjurn2asLaPjul1NWeSUdFysXUST:cItdKHANjXqapsL4juRNSUC0

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2592	4376	WerFault.exe	85

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	91c5be16a0920806b156dc117ff06960N.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	91c5be16a0920806b156dc117ff06960N.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	91c5be16a0920806b156dc117ff06960N.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	91c5be16a0920806b156dc117ff06960N.exe

C:\Users\Admin\AppData\Local\Temp\91c5be16a0920806b156dc117ff06960N.exe
"C:\Users\Admin\AppData\Local\Temp\91c5be16a0920806b156dc117ff06960N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4376
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 460
  2⤵
  - Program crash
  PID:2592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4376 -ip 4376
1⤵
PID:3768

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/4376-1-0x0000000002BE0000-0x0000000002CE0000-memory.dmp

Filesize
1024KB

Download
memory/4376-2-0x0000000004590000-0x000000000459B000-memory.dmp

Filesize
44KB

Download
memory/4376-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4376-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4376-5-0x0000000004590000-0x000000000459B000-memory.dmp

Filesize
44KB

Download
memory/4376-4-0x0000000000400000-0x0000000002851000-memory.dmp

Filesize
36.3MB

Download