smokeloader | d148dcdf7ce2829f41f9c6ecbc1cf0061baefbc9e805e5929c4aeceddd8dc218

Analysis

max time kernel
96s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-09-2024 16:09

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General

Target

1dcd977b87c59a7670f279c7cb6f70794fabed94c934e6fa105b33dbe2121972.exe
Size

311KB
MD5

723695445e91b19b120d9d98b645e4f9
SHA1

7bc1d72241291fc61cbdd19fcc1df0a778445c53
SHA256

1dcd977b87c59a7670f279c7cb6f70794fabed94c934e6fa105b33dbe2121972
SHA512

f62eccf326df940a2a8c674b2ad9ed5040062394c2ecd032b388149d96634b0bd24392c936e09769d2024126768c704edb5f65179a1ceffe5ffc340d0946279f
SSDEEP

6144:lsgmlpEWVOb92MvJywZipFvMl5I6LK5Zplb:+hlpEWVOx2MBCpFYI6Lwv

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 628 set thread context of 3888	628	1dcd977b87c59a7670f279c7cb6f70794fabed94c934e6fa105b33dbe2121972.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	1dcd977b87c59a7670f279c7cb6f70794fabed94c934e6fa105b33dbe2121972.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 enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1dcd977b87c59a7670f279c7cb6f70794fabed94c934e6fa105b33dbe2121972.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1dcd977b87c59a7670f279c7cb6f70794fabed94c934e6fa105b33dbe2121972.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1dcd977b87c59a7670f279c7cb6f70794fabed94c934e6fa105b33dbe2121972.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 628 wrote to memory of 3888	628	1dcd977b87c59a7670f279c7cb6f70794fabed94c934e6fa105b33dbe2121972.exe	86
PID 628 wrote to memory of 3888	628	1dcd977b87c59a7670f279c7cb6f70794fabed94c934e6fa105b33dbe2121972.exe	86
PID 628 wrote to memory of 3888	628	1dcd977b87c59a7670f279c7cb6f70794fabed94c934e6fa105b33dbe2121972.exe	86
PID 628 wrote to memory of 3888	628	1dcd977b87c59a7670f279c7cb6f70794fabed94c934e6fa105b33dbe2121972.exe	86
PID 628 wrote to memory of 3888	628	1dcd977b87c59a7670f279c7cb6f70794fabed94c934e6fa105b33dbe2121972.exe	86
PID 628 wrote to memory of 3888	628	1dcd977b87c59a7670f279c7cb6f70794fabed94c934e6fa105b33dbe2121972.exe	86

C:\Users\Admin\AppData\Local\Temp\1dcd977b87c59a7670f279c7cb6f70794fabed94c934e6fa105b33dbe2121972.exe
"C:\Users\Admin\AppData\Local\Temp\1dcd977b87c59a7670f279c7cb6f70794fabed94c934e6fa105b33dbe2121972.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:628
- C:\Users\Admin\AppData\Local\Temp\1dcd977b87c59a7670f279c7cb6f70794fabed94c934e6fa105b33dbe2121972.exe
  "C:\Users\Admin\AppData\Local\Temp\1dcd977b87c59a7670f279c7cb6f70794fabed94c934e6fa105b33dbe2121972.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:3888

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/628-1-0x00000000019C0000-0x0000000001AC0000-memory.dmp

Filesize
1024KB

Download
memory/628-2-0x0000000001800000-0x0000000001809000-memory.dmp

Filesize
36KB

Download
memory/3888-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3888-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3888-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3888-5-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download