smokeloader | bcf209aaae7725ac90b1cbb0b9bfab6fc8e0b3f8b1848ecd369f9f85590aaf2a

Analysis

max time kernel
95s
max time network
97s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
16-08-2024 00:53

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General

Target

bcf209aaae7725ac90b1cbb0b9bfab6fc8e0b3f8b1848ecd369f9f85590aaf2a.exe
Size

384KB
MD5

f3a465598f826daae4a724d6cb648e7d
SHA1

a84cee2eeede4018c2f66be1b47f559a21a3fdb0
SHA256

bcf209aaae7725ac90b1cbb0b9bfab6fc8e0b3f8b1848ecd369f9f85590aaf2a
SHA512

deda3c70f19e8b83bf771b1fcc1f058b0d8742e61ae71f9e6a06c9c7dc064df11bcc9bf2626b30193b04b2aaf0be7cf7f34952c8a02c47b07dff9c88397fab6b
SSDEEP

6144:jOnrohtRB7LNeQt1D8WqwVkPgbp7p4C84O/2dUDDey:jOnrohtz7LNeQ3D29gbVp4n4wu

Score

10^/10

smokeloader pub1 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1800	1840	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	bcf209aaae7725ac90b1cbb0b9bfab6fc8e0b3f8b1848ecd369f9f85590aaf2a.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	bcf209aaae7725ac90b1cbb0b9bfab6fc8e0b3f8b1848ecd369f9f85590aaf2a.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bcf209aaae7725ac90b1cbb0b9bfab6fc8e0b3f8b1848ecd369f9f85590aaf2a.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bcf209aaae7725ac90b1cbb0b9bfab6fc8e0b3f8b1848ecd369f9f85590aaf2a.exe

C:\Users\Admin\AppData\Local\Temp\bcf209aaae7725ac90b1cbb0b9bfab6fc8e0b3f8b1848ecd369f9f85590aaf2a.exe
"C:\Users\Admin\AppData\Local\Temp\bcf209aaae7725ac90b1cbb0b9bfab6fc8e0b3f8b1848ecd369f9f85590aaf2a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:1840
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1840 -s 384
  2⤵
  - Program crash
  PID:1800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1840 -ip 1840
1⤵
PID:4508

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/1840-1-0x00000000008B0000-0x00000000009B0000-memory.dmp

Filesize
1024KB

Download
memory/1840-2-0x00000000008A0000-0x00000000008AB000-memory.dmp

Filesize
44KB

Download
memory/1840-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1840-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1840-5-0x00000000008A0000-0x00000000008AB000-memory.dmp

Filesize
44KB

Download
memory/1840-4-0x0000000000400000-0x00000000005F2000-memory.dmp

Filesize
1.9MB

Download