smokeloader | 55ca4681622aefe21166f6b5387a0f9975131bbb45a264c1554fc8d475ab981c

Analysis

max time kernel
147s
max time network
149s
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 19:36

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General

Target

55ca4681622aefe21166f6b5387a0f9975131bbb45a264c1554fc8d475ab981c.exe
Size

258KB
MD5

da14f8adfcf63366530df8155de5c9f5
SHA1

f13c733b1568c10b217132db53629352ea36dd0d
SHA256

55ca4681622aefe21166f6b5387a0f9975131bbb45a264c1554fc8d475ab981c
SHA512

e880a7af97838bfc054965cdb34537bb7ee6f7d248988b7e179044a1eaa42a3b3a3376df0813531518df8d0b7da3ae07d88803848328c7e347ce48e825e5b8ae
SSDEEP

3072:BTBQtbrsXl4dg8p919/4rBRrjh4P5ZTfCT7LUY6vAY6v1r:ps9ORrF8KrEI1

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
3392	2756	WerFault.exe	77

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	55ca4681622aefe21166f6b5387a0f9975131bbb45a264c1554fc8d475ab981c.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	55ca4681622aefe21166f6b5387a0f9975131bbb45a264c1554fc8d475ab981c.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	55ca4681622aefe21166f6b5387a0f9975131bbb45a264c1554fc8d475ab981c.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	55ca4681622aefe21166f6b5387a0f9975131bbb45a264c1554fc8d475ab981c.exe

C:\Users\Admin\AppData\Local\Temp\55ca4681622aefe21166f6b5387a0f9975131bbb45a264c1554fc8d475ab981c.exe
"C:\Users\Admin\AppData\Local\Temp\55ca4681622aefe21166f6b5387a0f9975131bbb45a264c1554fc8d475ab981c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:2756
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2756 -s 384
  2⤵
  - Program crash
  PID:3392

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2756 -ip 2756
1⤵
PID:4768

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/2756-1-0x00000000005F0000-0x00000000006F0000-memory.dmp

Filesize
1024KB

Download
memory/2756-2-0x00000000005A0000-0x00000000005AB000-memory.dmp

Filesize
44KB

Download
memory/2756-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2756-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2756-5-0x00000000005A0000-0x00000000005AB000-memory.dmp

Filesize
44KB

Download
memory/2756-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download