smokeloader | fc03d345c41ff614ad5d6c0aeb2c042e8191aabd57605b5eef480547b752c7e7

Analysis

max time kernel
129s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 01:52

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General

Target

fc03d345c41ff614ad5d6c0aeb2c042e8191aabd57605b5eef480547b752c7e7.exe
Size

415KB
MD5

44102490aec7c24c78d42ed9ba4ed322
SHA1

08cdb76d2858569f096f270821cbe2634b405836
SHA256

fc03d345c41ff614ad5d6c0aeb2c042e8191aabd57605b5eef480547b752c7e7
SHA512

8cc6135672d719795da046a1bbb8981a0adec3e168e3ca1a87f25cf22ff5a2d989fe926c9daabd8139aeede1a26ab307ccabe37963a75d891d8c26a3e9bb6190
SSDEEP

6144:bFmU3bwb5eu3bGukTGYSq4c1G0OqKG6nNUil:b8Kb85eu3ajTP74rbqKG6NF

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
4908	3040	WerFault.exe	81

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	fc03d345c41ff614ad5d6c0aeb2c042e8191aabd57605b5eef480547b752c7e7.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	fc03d345c41ff614ad5d6c0aeb2c042e8191aabd57605b5eef480547b752c7e7.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fc03d345c41ff614ad5d6c0aeb2c042e8191aabd57605b5eef480547b752c7e7.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fc03d345c41ff614ad5d6c0aeb2c042e8191aabd57605b5eef480547b752c7e7.exe

C:\Users\Admin\AppData\Local\Temp\fc03d345c41ff614ad5d6c0aeb2c042e8191aabd57605b5eef480547b752c7e7.exe
"C:\Users\Admin\AppData\Local\Temp\fc03d345c41ff614ad5d6c0aeb2c042e8191aabd57605b5eef480547b752c7e7.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:3040
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3040 -s 352
  2⤵
  - Program crash
  PID:4908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3040 -ip 3040
1⤵
PID:332

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/3040-1-0x00000000006D0000-0x00000000007D0000-memory.dmp

Filesize
1024KB

Download
memory/3040-2-0x0000000000670000-0x000000000067B000-memory.dmp

Filesize
44KB

Download
memory/3040-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3040-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3040-5-0x0000000000670000-0x000000000067B000-memory.dmp

Filesize
44KB

Download
memory/3040-4-0x0000000000400000-0x00000000005FB000-memory.dmp

Filesize
2.0MB

Download