smokeloader | b2db9257f44ddcc7d0462b5f9f749084b919add4d568dc78cb179666e0668503

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/09/2024, 17:45

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General

Target

b2db9257f44ddcc7d0462b5f9f749084b919add4d568dc78cb179666e0668503.exe
Size

236KB
MD5

bb39744fa136da5b49045ad382f90689
SHA1

5105435e8bda97f45a3b941c0bcc67e0b2be385f
SHA256

b2db9257f44ddcc7d0462b5f9f749084b919add4d568dc78cb179666e0668503
SHA512

649aef2b52192f71e6c4aa3fe9a3e139ee9254fda84edc7ea2dac289027749053324c17fe2e83b5f85abb475c39089c1507e90f603d43a4cff7b0f6fd1ca7b07
SSDEEP

3072:pFS8of+VlxyRmOJvRUNMGN5/plOzMwxA5guQTdzZ/pY0P2tjT4f:0f+VlxyRmRMg/plOwwpuQTdJC0Om

Score

10^/10

smokeloader pub4 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub4

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3784	4604	WerFault.exe	84

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	b2db9257f44ddcc7d0462b5f9f749084b919add4d568dc78cb179666e0668503.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	b2db9257f44ddcc7d0462b5f9f749084b919add4d568dc78cb179666e0668503.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b2db9257f44ddcc7d0462b5f9f749084b919add4d568dc78cb179666e0668503.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b2db9257f44ddcc7d0462b5f9f749084b919add4d568dc78cb179666e0668503.exe

C:\Users\Admin\AppData\Local\Temp\b2db9257f44ddcc7d0462b5f9f749084b919add4d568dc78cb179666e0668503.exe
"C:\Users\Admin\AppData\Local\Temp\b2db9257f44ddcc7d0462b5f9f749084b919add4d568dc78cb179666e0668503.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4604
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 352
  2⤵
  - Program crash
  PID:3784

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4604 -ip 4604
1⤵
PID:2028

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/4604-1-0x0000000002D10000-0x0000000002E10000-memory.dmp

Filesize
1024KB

Download
memory/4604-2-0x0000000002CC0000-0x0000000002CCB000-memory.dmp

Filesize
44KB

Download
memory/4604-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4604-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4604-5-0x0000000002CC0000-0x0000000002CCB000-memory.dmp

Filesize
44KB

Download
memory/4604-4-0x0000000000400000-0x0000000002B5B000-memory.dmp

Filesize
39.4MB

Download