smokeloader | 5f76deff01ba8e7bfc6168f9de5fecf55de79eb01246d55a8787a71f1b8cf6fb

Analysis

max time kernel
138s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20-08-2024 11:44

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General

Target

a401a99bd9207482bc3bbb5e721e9394.exe
Size

200KB
MD5

a401a99bd9207482bc3bbb5e721e9394
SHA1

0b5ae2874c839f7cf4d4f20c89e74a86e2affbc4
SHA256

5f76deff01ba8e7bfc6168f9de5fecf55de79eb01246d55a8787a71f1b8cf6fb
SHA512

1e0ae6de7b99559dc57192544cd1fc8981ae4883857ec03da24b3bdaada08cdb9b37177c77e18b32df66175006698e416cdf48a415f698cdad63c6d410960257
SSDEEP

1536:yGGuZLREPg4bsvaPGM1BZlFdiyNVt34G2Jyxj5So9HJInVrvVPw51N7JreKwxMaI:+eL0evIZlFdBHxNS0WnFNPw51Nb

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
2512	4536	WerFault.exe	83

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	a401a99bd9207482bc3bbb5e721e9394.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	a401a99bd9207482bc3bbb5e721e9394.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a401a99bd9207482bc3bbb5e721e9394.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a401a99bd9207482bc3bbb5e721e9394.exe

C:\Users\Admin\AppData\Local\Temp\a401a99bd9207482bc3bbb5e721e9394.exe
"C:\Users\Admin\AppData\Local\Temp\a401a99bd9207482bc3bbb5e721e9394.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4536
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4536 -s 352
  2⤵
  - Program crash
  PID:2512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4536 -ip 4536
1⤵
PID:4468

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/4536-2-0x00000000005C0000-0x00000000005CB000-memory.dmp

Filesize
44KB

Download
memory/4536-1-0x0000000000450000-0x0000000000550000-memory.dmp

Filesize
1024KB

Download
memory/4536-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4536-4-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/4536-5-0x00000000005C0000-0x00000000005CB000-memory.dmp

Filesize
44KB

Download
memory/4536-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download