smokeloader | 8a9ca3236b87ebc711b484e85b30c342c4a31a1d41d0742a96fe6d398d04e35f

Analysis

max time kernel
132s
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
05/11/2024, 04:50

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8a9ca3236b87ebc711b484e85b30c342c4a31a1d41d0742a96fe6d398d04e35f.exe
Size

242KB
MD5

2d6b35bcb968a221139430434985669d
SHA1

2f2e32b14934769ba93c3c2ef9f6ea6f03eba331
SHA256

8a9ca3236b87ebc711b484e85b30c342c4a31a1d41d0742a96fe6d398d04e35f
SHA512

17e6e24d36b733dcf55c59d4935fa10a535fdab02ba620a5aabbe7f94ad53ee198c02d5a063d0a3b3887f409521c0e30d28693548566c544f89633463e36426e
SSDEEP

6144:FrQpU5ggiROrW2sg/sdyCOzgN99PyZeD3kLn:KpcggiROrB0tOOPy0Q

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2984 set thread context of 4460	2984	8a9ca3236b87ebc711b484e85b30c342c4a31a1d41d0742a96fe6d398d04e35f.exe	87

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	8a9ca3236b87ebc711b484e85b30c342c4a31a1d41d0742a96fe6d398d04e35f.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 queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8a9ca3236b87ebc711b484e85b30c342c4a31a1d41d0742a96fe6d398d04e35f.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8a9ca3236b87ebc711b484e85b30c342c4a31a1d41d0742a96fe6d398d04e35f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8a9ca3236b87ebc711b484e85b30c342c4a31a1d41d0742a96fe6d398d04e35f.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 4460	2984	8a9ca3236b87ebc711b484e85b30c342c4a31a1d41d0742a96fe6d398d04e35f.exe	87
PID 2984 wrote to memory of 4460	2984	8a9ca3236b87ebc711b484e85b30c342c4a31a1d41d0742a96fe6d398d04e35f.exe	87
PID 2984 wrote to memory of 4460	2984	8a9ca3236b87ebc711b484e85b30c342c4a31a1d41d0742a96fe6d398d04e35f.exe	87
PID 2984 wrote to memory of 4460	2984	8a9ca3236b87ebc711b484e85b30c342c4a31a1d41d0742a96fe6d398d04e35f.exe	87
PID 2984 wrote to memory of 4460	2984	8a9ca3236b87ebc711b484e85b30c342c4a31a1d41d0742a96fe6d398d04e35f.exe	87
PID 2984 wrote to memory of 4460	2984	8a9ca3236b87ebc711b484e85b30c342c4a31a1d41d0742a96fe6d398d04e35f.exe	87

C:\Users\Admin\AppData\Local\Temp\8a9ca3236b87ebc711b484e85b30c342c4a31a1d41d0742a96fe6d398d04e35f.exe
"C:\Users\Admin\AppData\Local\Temp\8a9ca3236b87ebc711b484e85b30c342c4a31a1d41d0742a96fe6d398d04e35f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Users\Admin\AppData\Local\Temp\8a9ca3236b87ebc711b484e85b30c342c4a31a1d41d0742a96fe6d398d04e35f.exe
  "C:\Users\Admin\AppData\Local\Temp\8a9ca3236b87ebc711b484e85b30c342c4a31a1d41d0742a96fe6d398d04e35f.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:4460

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

Loading Replay Monitor...

Downloads

memory/2984-2-0x00000000001C0000-0x00000000001CA000-memory.dmp

Filesize
40KB

Download
memory/2984-1-0x0000000002B90000-0x0000000002C90000-memory.dmp

Filesize
1024KB

Download
memory/4460-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4460-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4460-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download