smokeloader | a3f3cdbe8bfa62fc45d5fbd7e3abbca534d7b746cebec10c869f6b328766a1e6

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18/10/2024, 01:30

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General

Target
a3f3cdbe8bfa62fc45d5fbd7e3abbca534d7b746cebec10c869f6b328766a1e6.exe
Size 365KB
Sample241018-bw866s1epp
SHA256 a3f3cdbe8bfa62fc45d5fbd7e3abbca534d7b746cebec10c869f6b328766a1e6
MD5 9c27f6c504605d7360b8377b2112de4e
SHA1 c3e3c536032644ccd9adf76f3da506a6f1dd17bc
SHA512 05e5d0b221a4ae0311adeead8e3f24b63d2c04a9de3c066f12af05849d30be80de3f00718e15e0ca2d5d3a16874d6e907841de1c4697c2aed6f88fd05697d00f
SSDEEP 6144:+BLkzpkuTSpdpzkPWadYdhNvJbzlWNjAh3W0JH:aMpZejpz9a+FXhJ
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

smokeloader pub3 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2676	4744	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	a3f3cdbe8bfa62fc45d5fbd7e3abbca534d7b746cebec10c869f6b328766a1e6.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	a3f3cdbe8bfa62fc45d5fbd7e3abbca534d7b746cebec10c869f6b328766a1e6.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a3f3cdbe8bfa62fc45d5fbd7e3abbca534d7b746cebec10c869f6b328766a1e6.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a3f3cdbe8bfa62fc45d5fbd7e3abbca534d7b746cebec10c869f6b328766a1e6.exe

C:\Users\Admin\AppData\Local\Temp\a3f3cdbe8bfa62fc45d5fbd7e3abbca534d7b746cebec10c869f6b328766a1e6.exe
"C:\Users\Admin\AppData\Local\Temp\a3f3cdbe8bfa62fc45d5fbd7e3abbca534d7b746cebec10c869f6b328766a1e6.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4744
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4744 -s 352
  2⤵
  - Program crash
  PID:2676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4744 -ip 4744
1⤵
PID:1940

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/4744-1-0x00000000007E0000-0x00000000008E0000-memory.dmp

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memory/4744-3-0x0000000000400000-0x000000000046B000-memory.dmp

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memory/4744-2-0x0000000000400000-0x000000000040B000-memory.dmp

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memory/4744-6-0x0000000000400000-0x000000000040B000-memory.dmp

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memory/4744-5-0x0000000000400000-0x000000000046B000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads