smokeloader | fb35fbb6b4e4c9bbbc67e71aa2313e3446a70fcba7a60c26553d4e530f94bdf2

Analysis

max time kernel
133s
max time network
148s
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 02:11

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General

Target

fb35fbb6b4e4c9bbbc67e71aa2313e3446a70fcba7a60c26553d4e530f94bdf2.exe
Size

199KB
MD5

a77fafcd026cba6d7ee5ea7e504684d8
SHA1

5e77807eadd64328d37a716b7bcb37c03733fea5
SHA256

fb35fbb6b4e4c9bbbc67e71aa2313e3446a70fcba7a60c26553d4e530f94bdf2
SHA512

2bd821416afb283710464b5629653aae96a0c4244da42d1f19c50de9c609ddcb42cd6d9c4be8c20376a6c20c89f37c6c6c315bdcff8be30d0bdd880217c0eec3
SSDEEP

1536:ExCpc9qVLC4XAzWJvwP6OTJcqiCaiz4KB/D2Vb9GQrn+C0lBFY5oIjuEVFH:XBLRHjE+qmizlB/D2Vb9Gq+C+B25ovM

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
5036	976	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	fb35fbb6b4e4c9bbbc67e71aa2313e3446a70fcba7a60c26553d4e530f94bdf2.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	fb35fbb6b4e4c9bbbc67e71aa2313e3446a70fcba7a60c26553d4e530f94bdf2.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fb35fbb6b4e4c9bbbc67e71aa2313e3446a70fcba7a60c26553d4e530f94bdf2.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fb35fbb6b4e4c9bbbc67e71aa2313e3446a70fcba7a60c26553d4e530f94bdf2.exe

C:\Users\Admin\AppData\Local\Temp\fb35fbb6b4e4c9bbbc67e71aa2313e3446a70fcba7a60c26553d4e530f94bdf2.exe
"C:\Users\Admin\AppData\Local\Temp\fb35fbb6b4e4c9bbbc67e71aa2313e3446a70fcba7a60c26553d4e530f94bdf2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:976
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 976 -s 288
  2⤵
  - Program crash
  PID:5036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 976 -ip 976
1⤵
PID:904

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/976-1-0x0000000000680000-0x0000000000780000-memory.dmp

Filesize
1024KB

Download
memory/976-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/976-2-0x00000000005A0000-0x00000000005AB000-memory.dmp

Filesize
44KB

Download
memory/976-4-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/976-5-0x00000000005A0000-0x00000000005AB000-memory.dmp

Filesize
44KB

Download
memory/976-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download