smokeloader | f6bc65c8e5c6de289adbf95f62e70b54fa68b9d66637c2d74fbf3c683c528ab7

Analysis

max time kernel
98s
max time network
128s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
15-08-2024 18:05

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General

Target

f6bc65c8e5c6de289adbf95f62e70b54fa68b9d66637c2d74fbf3c683c528ab7.exe
Size

382KB
MD5

680a00c47174704d357c49882ab5e9cc
SHA1

2caeb4f094e23a7ee141f66ce238177b3064228f
SHA256

f6bc65c8e5c6de289adbf95f62e70b54fa68b9d66637c2d74fbf3c683c528ab7
SHA512

29bc65a1098af90857f5ccc6c47ba550338574742896ffe1f6fbca010df811c777266860480d11a4c77feac291f7b53a0063beb9c18304ba8e6babdf36be6485
SSDEEP

6144:AFoO6J9bRj9Lvl6UyugAKfuZ1a4BcustnA7SrVn77oKg2:AD6J9bB9LvlnylAPZw4BcfWS1cKV

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
1840	4664	WerFault.exe	80

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	f6bc65c8e5c6de289adbf95f62e70b54fa68b9d66637c2d74fbf3c683c528ab7.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	f6bc65c8e5c6de289adbf95f62e70b54fa68b9d66637c2d74fbf3c683c528ab7.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f6bc65c8e5c6de289adbf95f62e70b54fa68b9d66637c2d74fbf3c683c528ab7.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f6bc65c8e5c6de289adbf95f62e70b54fa68b9d66637c2d74fbf3c683c528ab7.exe

C:\Users\Admin\AppData\Local\Temp\f6bc65c8e5c6de289adbf95f62e70b54fa68b9d66637c2d74fbf3c683c528ab7.exe
"C:\Users\Admin\AppData\Local\Temp\f6bc65c8e5c6de289adbf95f62e70b54fa68b9d66637c2d74fbf3c683c528ab7.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4664
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4664 -s 384
  2⤵
  - Program crash
  PID:1840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4664 -ip 4664
1⤵
PID:3324

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/4664-1-0x00000000007E0000-0x00000000008E0000-memory.dmp

Filesize
1024KB

Download
memory/4664-2-0x0000000002300000-0x000000000230B000-memory.dmp

Filesize
44KB

Download
memory/4664-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4664-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4664-5-0x0000000002300000-0x000000000230B000-memory.dmp

Filesize
44KB

Download
memory/4664-4-0x0000000000400000-0x00000000005F2000-memory.dmp

Filesize
1.9MB

Download