smokeloader | b1ecd513e3dc740c938819cfdee5307fc35d57fe55b39bd6ad099e423cde50e0

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
08-11-2024 21:05

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General

Target

b1ecd513e3dc740c938819cfdee5307fc35d57fe55b39bd6ad099e423cde50e0.exe
Size

240KB
MD5

78535ca400c74710d05da882c9028926
SHA1

93cc32195010685d9304ff4ade41cfccd1dcb4e9
SHA256

b1ecd513e3dc740c938819cfdee5307fc35d57fe55b39bd6ad099e423cde50e0
SHA512

62267ca358334c6efddede05d254daee3b44c7dd42183ec045e67d3ccf342fef815f4a92130a0f007ddd99ad814589de2081e75fad3cd49a012c099a2bf7e999
SSDEEP

3072:ZpQ97VM9kPigHnJTzaHWg7XqeF0w2UyokHq30mJ+a+qjN1xwFef5fiHoANVk:w9pPrHntWHZXqaMqIsnZT

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 1488 set thread context of 3836	1488	b1ecd513e3dc740c938819cfdee5307fc35d57fe55b39bd6ad099e423cde50e0.exe	86

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	b1ecd513e3dc740c938819cfdee5307fc35d57fe55b39bd6ad099e423cde50e0.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	b1ecd513e3dc740c938819cfdee5307fc35d57fe55b39bd6ad099e423cde50e0.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b1ecd513e3dc740c938819cfdee5307fc35d57fe55b39bd6ad099e423cde50e0.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b1ecd513e3dc740c938819cfdee5307fc35d57fe55b39bd6ad099e423cde50e0.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 3836	1488	b1ecd513e3dc740c938819cfdee5307fc35d57fe55b39bd6ad099e423cde50e0.exe	86
PID 1488 wrote to memory of 3836	1488	b1ecd513e3dc740c938819cfdee5307fc35d57fe55b39bd6ad099e423cde50e0.exe	86
PID 1488 wrote to memory of 3836	1488	b1ecd513e3dc740c938819cfdee5307fc35d57fe55b39bd6ad099e423cde50e0.exe	86
PID 1488 wrote to memory of 3836	1488	b1ecd513e3dc740c938819cfdee5307fc35d57fe55b39bd6ad099e423cde50e0.exe	86
PID 1488 wrote to memory of 3836	1488	b1ecd513e3dc740c938819cfdee5307fc35d57fe55b39bd6ad099e423cde50e0.exe	86
PID 1488 wrote to memory of 3836	1488	b1ecd513e3dc740c938819cfdee5307fc35d57fe55b39bd6ad099e423cde50e0.exe	86

C:\Users\Admin\AppData\Local\Temp\b1ecd513e3dc740c938819cfdee5307fc35d57fe55b39bd6ad099e423cde50e0.exe
"C:\Users\Admin\AppData\Local\Temp\b1ecd513e3dc740c938819cfdee5307fc35d57fe55b39bd6ad099e423cde50e0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Users\Admin\AppData\Local\Temp\b1ecd513e3dc740c938819cfdee5307fc35d57fe55b39bd6ad099e423cde50e0.exe
  "C:\Users\Admin\AppData\Local\Temp\b1ecd513e3dc740c938819cfdee5307fc35d57fe55b39bd6ad099e423cde50e0.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:3836

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/1488-1-0x00000000009A0000-0x0000000000AA0000-memory.dmp

Filesize
1024KB

Download
memory/1488-2-0x00000000008E0000-0x00000000008E9000-memory.dmp

Filesize
36KB

Download
memory/1488-7-0x00000000009A0000-0x0000000000AA0000-memory.dmp

Filesize
1024KB

Download
memory/3836-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3836-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3836-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download