smokeloader | a46cf105173ba52476b4b20bb6dca67c6337976ac08e9794410d752a006a145e

Analysis

max time kernel
148s
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
10-11-2024 22:24

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General

Target

a46cf105173ba52476b4b20bb6dca67c6337976ac08e9794410d752a006a145e.exe
Size

208KB
MD5

f0233a2c8b80b11a7f269b0247054e5c
SHA1

c4482a1d8fe079af09411b7013ae50a1531cfd66
SHA256

a46cf105173ba52476b4b20bb6dca67c6337976ac08e9794410d752a006a145e
SHA512

dd7556bf1c9e5df120648d6eb0b4b79dc5cc3616fdc0aaffd389514ebbbd465654a948e58602f2d88dc4671395a90e4327a7b8ad26af16647868b4673ac17ca3
SSDEEP

1536:i+SqKbzCzHM9Ae8UmKagIXkd5XtT0/b1HuOyy1FSE5PtLXQMyHUJ7zr:ieK37RjkcXt4zPyyXSE5PtLAMy09

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

Processes:

WerFault.exe

pid pid_target process target process

1004 2100 WerFault.exe a46cf105173ba52476b4b20bb6dca67c6337976ac08e9794410d752a006a145e.exe

pid	pid_target	process	target process
1004	2100	WerFault.exe	a46cf105173ba52476b4b20bb6dca67c6337976ac08e9794410d752a006a145e.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:

a46cf105173ba52476b4b20bb6dca67c6337976ac08e9794410d752a006a145e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a46cf105173ba52476b4b20bb6dca67c6337976ac08e9794410d752a006a145e.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:

a46cf105173ba52476b4b20bb6dca67c6337976ac08e9794410d752a006a145e.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a46cf105173ba52476b4b20bb6dca67c6337976ac08e9794410d752a006a145e.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a46cf105173ba52476b4b20bb6dca67c6337976ac08e9794410d752a006a145e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a46cf105173ba52476b4b20bb6dca67c6337976ac08e9794410d752a006a145e.exe

C:\Users\Admin\AppData\Local\Temp\a46cf105173ba52476b4b20bb6dca67c6337976ac08e9794410d752a006a145e.exe
"C:\Users\Admin\AppData\Local\Temp\a46cf105173ba52476b4b20bb6dca67c6337976ac08e9794410d752a006a145e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:2100
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 356
  2⤵
  - Program crash
  PID:1004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2100 -ip 2100
1⤵
PID:2932

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/2100-1-0x00000000006E0000-0x00000000007E0000-memory.dmp

Filesize
1024KB

Download
memory/2100-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2100-3-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2100-4-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2100-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download