smokeloader | 8b5a6222cc080ae55c33fcba26b2f999184d0995975eb181da803585c9a56bdb

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-10-2024 21:31

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General

Target

3405f764cc1f7157b7e72e3a0221df2f.exe
Size

424KB
MD5

3405f764cc1f7157b7e72e3a0221df2f
SHA1

945ab89c5090a33c0b0cfc6a926c34d4139b977a
SHA256

8b5a6222cc080ae55c33fcba26b2f999184d0995975eb181da803585c9a56bdb
SHA512

fe018c889306dcec332489e47b535c1cbadd850cc8be84ce2675fe121c4bf00a01722b4eba7fa86c62281f250c8ab9ee3f638467d2d25c74079c801941358239
SSDEEP

6144:WuasRSq1nIgwjdnIdZlXxv3qLlACmN10SLdH6f8HTf:WuasIAndwjdIrJxv3CAzxHrf

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

Processes:

WerFault.exe

pid pid_target process target process

4564 180 WerFault.exe 3405f764cc1f7157b7e72e3a0221df2f.exe
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

Processes:

3405f764cc1f7157b7e72e3a0221df2f.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3405f764cc1f7157b7e72e3a0221df2f.exe

pid	pid_target	process	target process
4564	180	WerFault.exe	3405f764cc1f7157b7e72e3a0221df2f.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3405f764cc1f7157b7e72e3a0221df2f.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

Processes:

3405f764cc1f7157b7e72e3a0221df2f.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3405f764cc1f7157b7e72e3a0221df2f.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3405f764cc1f7157b7e72e3a0221df2f.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3405f764cc1f7157b7e72e3a0221df2f.exe

C:\Users\Admin\AppData\Local\Temp\3405f764cc1f7157b7e72e3a0221df2f.exe
"C:\Users\Admin\AppData\Local\Temp\3405f764cc1f7157b7e72e3a0221df2f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:180
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 180 -s 464
  2⤵
  - Program crash
  PID:4564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 180 -ip 180
1⤵
PID:536

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/180-2-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/180-1-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download
memory/180-3-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/180-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/180-5-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download