smokeloader | 71dcb20f11e4c812a9e570965a7543d2bab944b23f56242d35025151a71d7702

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-11-2024 04:22

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General

Target

71dcb20f11e4c812a9e570965a7543d2bab944b23f56242d35025151a71d7702.exe
Size

200KB
MD5

ba272034be5b49d44f1094d5bfa58357
SHA1

b4d0d229548a2537775d9f210afb079e361d2c25
SHA256

71dcb20f11e4c812a9e570965a7543d2bab944b23f56242d35025151a71d7702
SHA512

d038adea4a3d00f0cf3503a3b0b34bd5878932b7c32974a9bcf4089889cc13ddecbc4bd86a8971cd7e005d8aa6c3d6df2b39ca2b57e1105e7f2b0cb9787d6879
SSDEEP

3072:nBN2ZG53LTE+EOMcz5GZtzNGVxQ+tICqHbNt08wwayhR:B1Lg/OMcYZ8tICuX0Y

Score

10^/10

smokeloader 2023 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

2023

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1592 4032 WerFault.exe 71dcb20f11e4c812a9e570965a7543d2bab944b23f56242d35025151a71d7702.exe

pid	pid_target	process	target process
1592	4032	WerFault.exe	71dcb20f11e4c812a9e570965a7543d2bab944b23f56242d35025151a71d7702.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:

71dcb20f11e4c812a9e570965a7543d2bab944b23f56242d35025151a71d7702.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	71dcb20f11e4c812a9e570965a7543d2bab944b23f56242d35025151a71d7702.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:

71dcb20f11e4c812a9e570965a7543d2bab944b23f56242d35025151a71d7702.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	71dcb20f11e4c812a9e570965a7543d2bab944b23f56242d35025151a71d7702.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	71dcb20f11e4c812a9e570965a7543d2bab944b23f56242d35025151a71d7702.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	71dcb20f11e4c812a9e570965a7543d2bab944b23f56242d35025151a71d7702.exe

C:\Users\Admin\AppData\Local\Temp\71dcb20f11e4c812a9e570965a7543d2bab944b23f56242d35025151a71d7702.exe
"C:\Users\Admin\AppData\Local\Temp\71dcb20f11e4c812a9e570965a7543d2bab944b23f56242d35025151a71d7702.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4032
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4032 -s 356
  2⤵
  - Program crash
  PID:1592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4032 -ip 4032
1⤵
PID:4160

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

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Downloads

memory/4032-1-0x0000000002CE0000-0x0000000002DE0000-memory.dmp

Filesize
1024KB

Download
memory/4032-2-0x0000000002C70000-0x0000000002C79000-memory.dmp

Filesize
36KB

Download
memory/4032-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4032-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4032-5-0x0000000002C70000-0x0000000002C79000-memory.dmp

Filesize
36KB

Download
memory/4032-4-0x0000000000400000-0x0000000002B9D000-memory.dmp

Filesize
39.6MB

Download