smokeloader | 663d8dc2fd1b03552b8e8d9f663ec9769b0280ddf335aaa18120b2e9872ae4aa

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2024 19:56

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General

Target

663d8dc2fd1b03552b8e8d9f663ec9769b0280ddf335aaa18120b2e9872ae4aa.exe
Size

320KB
MD5

b39b5f24df8fccf65aae3abec5d9a6f7
SHA1

f29551fb1a2a04a5617fa0ece3a35760f6b5859e
SHA256

663d8dc2fd1b03552b8e8d9f663ec9769b0280ddf335aaa18120b2e9872ae4aa
SHA512

e38853c7da295fe35d07d0caf213a9c766ea22e1e573cd895d35bbb7e03cce44b6726f79960ff6a622418452149b80f54133ae2edc7bb863529da098d17693ba
SSDEEP

6144:ds3OUy4iLaSh+dTaJ7GWgTi0qr0fC9IlJGWcSFh:dAyrmSh+dky7P/fllJASFh

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
Smokeloader family
smokeloader

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 448 set thread context of 4644	448	663d8dc2fd1b03552b8e8d9f663ec9769b0280ddf335aaa18120b2e9872ae4aa.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	663d8dc2fd1b03552b8e8d9f663ec9769b0280ddf335aaa18120b2e9872ae4aa.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	663d8dc2fd1b03552b8e8d9f663ec9769b0280ddf335aaa18120b2e9872ae4aa.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	663d8dc2fd1b03552b8e8d9f663ec9769b0280ddf335aaa18120b2e9872ae4aa.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	663d8dc2fd1b03552b8e8d9f663ec9769b0280ddf335aaa18120b2e9872ae4aa.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 448 wrote to memory of 4644	448	663d8dc2fd1b03552b8e8d9f663ec9769b0280ddf335aaa18120b2e9872ae4aa.exe	83
PID 448 wrote to memory of 4644	448	663d8dc2fd1b03552b8e8d9f663ec9769b0280ddf335aaa18120b2e9872ae4aa.exe	83
PID 448 wrote to memory of 4644	448	663d8dc2fd1b03552b8e8d9f663ec9769b0280ddf335aaa18120b2e9872ae4aa.exe	83
PID 448 wrote to memory of 4644	448	663d8dc2fd1b03552b8e8d9f663ec9769b0280ddf335aaa18120b2e9872ae4aa.exe	83
PID 448 wrote to memory of 4644	448	663d8dc2fd1b03552b8e8d9f663ec9769b0280ddf335aaa18120b2e9872ae4aa.exe	83
PID 448 wrote to memory of 4644	448	663d8dc2fd1b03552b8e8d9f663ec9769b0280ddf335aaa18120b2e9872ae4aa.exe	83

C:\Users\Admin\AppData\Local\Temp\663d8dc2fd1b03552b8e8d9f663ec9769b0280ddf335aaa18120b2e9872ae4aa.exe
"C:\Users\Admin\AppData\Local\Temp\663d8dc2fd1b03552b8e8d9f663ec9769b0280ddf335aaa18120b2e9872ae4aa.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:448
- C:\Users\Admin\AppData\Local\Temp\663d8dc2fd1b03552b8e8d9f663ec9769b0280ddf335aaa18120b2e9872ae4aa.exe
  "C:\Users\Admin\AppData\Local\Temp\663d8dc2fd1b03552b8e8d9f663ec9769b0280ddf335aaa18120b2e9872ae4aa.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:4644

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/448-1-0x0000000000740000-0x0000000000840000-memory.dmp

Filesize
1024KB

Download
memory/448-2-0x00000000001D0000-0x00000000001D9000-memory.dmp

Filesize
36KB

Download
memory/4644-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4644-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4644-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download