smokeloader | 81d8755ad38f0609893f910b9b66a632de3f017e4f6412b77864af169f8c33d0

Analysis

max time kernel
140s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04/11/2024, 14:34

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General

Target

f807f6cdb4bb325a656be88d4d9fdcda519d82c3e1aa905445023093b67a0a1b.exe
Size

325KB
MD5

971528067d09f92a9a6cc5da1c3a5789
SHA1

71d45d4e8d570dce0d6d153b9a188938e27e5013
SHA256

f807f6cdb4bb325a656be88d4d9fdcda519d82c3e1aa905445023093b67a0a1b
SHA512

f6a7c7897323bcf09c6d6d752df5f8f592f429571547e81f4f3f55bf56d51b9d355a0ecb30ff61e042e526310636755b94de170134675276183a90c6ccd1676b
SSDEEP

3072:c8ky08LXV9P0M5OJiREsH6cxCoLg+krQ2q+5KH3zAOP2lKEssMOeY5QHShyEKVYp:wKLF9EU4cxPBUqoYjAOPZElnyHS5+YY

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4100	4944	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	f807f6cdb4bb325a656be88d4d9fdcda519d82c3e1aa905445023093b67a0a1b.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	f807f6cdb4bb325a656be88d4d9fdcda519d82c3e1aa905445023093b67a0a1b.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f807f6cdb4bb325a656be88d4d9fdcda519d82c3e1aa905445023093b67a0a1b.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f807f6cdb4bb325a656be88d4d9fdcda519d82c3e1aa905445023093b67a0a1b.exe

C:\Users\Admin\AppData\Local\Temp\f807f6cdb4bb325a656be88d4d9fdcda519d82c3e1aa905445023093b67a0a1b.exe
"C:\Users\Admin\AppData\Local\Temp\f807f6cdb4bb325a656be88d4d9fdcda519d82c3e1aa905445023093b67a0a1b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4944
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4944 -s 504
  2⤵
  - Program crash
  PID:4100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4944 -ip 4944
1⤵
PID:4988

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/4944-1-0x0000000000650000-0x0000000000750000-memory.dmp

Filesize
1024KB

Download
memory/4944-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4944-3-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4944-4-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4944-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download