smokeloader | 5da1b3ace20601ed2988fdad3409c9520a372aa8d1b83d5d460e4c2de637235b

Analysis

max time kernel
94s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-11-2024 03:59

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General

Target

3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.exe
Size

325KB
MD5

691d85a758a7a4eb46fa73d2ca4a4123
SHA1

f36b73fa22a5b9552aff7300fe320df05cfa607a
SHA256

3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3
SHA512

2daee688d1ed4f3dbab5fa71daf4993a0dfa90415d1754188385f9d895430bd99c46d908c6fab38a0f980a64aefe59baca8ca40eaf5cccfaaec4456605b1b6cf
SSDEEP

6144:MX6hUnx4v/eeRCcpUIpoCQZ0Hyzbw8B6F6yX:U6SY/eeocpUIpk0H4w8BVe

Score

10^/10

smokeloader pub3 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.exe

description	pid	process	target process
PID 4100 set thread context of 64	4100	3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.exe	3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.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:

3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.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:

3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.exe

description	pid	process	target process
PID 4100 wrote to memory of 64	4100	3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.exe	3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.exe
PID 4100 wrote to memory of 64	4100	3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.exe	3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.exe
PID 4100 wrote to memory of 64	4100	3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.exe	3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.exe
PID 4100 wrote to memory of 64	4100	3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.exe	3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.exe
PID 4100 wrote to memory of 64	4100	3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.exe	3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.exe
PID 4100 wrote to memory of 64	4100	3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.exe	3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.exe

C:\Users\Admin\AppData\Local\Temp\3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.exe
"C:\Users\Admin\AppData\Local\Temp\3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4100
- C:\Users\Admin\AppData\Local\Temp\3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.exe
  "C:\Users\Admin\AppData\Local\Temp\3dbed425bb064bebb7e49003d553f9624548b1001643ab7afa39b16e95b460f3.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:64

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/64-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/64-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/64-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/64-8-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4100-1-0x0000000003270000-0x0000000003370000-memory.dmp

Filesize
1024KB

Download
memory/4100-2-0x00000000001D0000-0x00000000001D9000-memory.dmp

Filesize
36KB

Download