smokeloader | a641af0462259586cf10b8867653e163f73b6066106455605643b08ab829ac77

Analysis

max time kernel
93s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 14:43

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General

Target

a641af0462259586cf10b8867653e163f73b6066106455605643b08ab829ac77.exe
Size

408KB
MD5

6d9b8ff6442e3c42a7ad0e1238960057
SHA1

fab711b446c2cc55f97c7a5afaa9f9833e01a0ea
SHA256

a641af0462259586cf10b8867653e163f73b6066106455605643b08ab829ac77
SHA512

dc71917d187f65526ad9218d1db79d83752df9017d72ef5afc5607567a4e3b20e3ac77d5c765fcce7f9f18ce8524bed0181db09028a29b832e1928579ee3ce98
SSDEEP

6144:lwpk63+zRADFXmigaB0r9v1FkJNdj4E5nkJv23J7quw2T6:+pkQ+zRAhXmiLQ9vmaElkJv2YuwJ

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
456	4992	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	a641af0462259586cf10b8867653e163f73b6066106455605643b08ab829ac77.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	a641af0462259586cf10b8867653e163f73b6066106455605643b08ab829ac77.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a641af0462259586cf10b8867653e163f73b6066106455605643b08ab829ac77.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a641af0462259586cf10b8867653e163f73b6066106455605643b08ab829ac77.exe

C:\Users\Admin\AppData\Local\Temp\a641af0462259586cf10b8867653e163f73b6066106455605643b08ab829ac77.exe
"C:\Users\Admin\AppData\Local\Temp\a641af0462259586cf10b8867653e163f73b6066106455605643b08ab829ac77.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4992
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4992 -s 360
  2⤵
  - Program crash
  PID:456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4992 -ip 4992
1⤵
PID:3076

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/4992-1-0x0000000002670000-0x0000000002770000-memory.dmp

Filesize
1024KB

Download
memory/4992-2-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4992-3-0x0000000000400000-0x000000000247E000-memory.dmp

Filesize
32.5MB

Download
memory/4992-4-0x0000000000400000-0x000000000247E000-memory.dmp

Filesize
32.5MB

Download
memory/4992-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download