smokeloader | 151cd59f8436587bec1f40785d6148d7d3e32807a451ff258001dbe7682c215c

Analysis

max time kernel
149s
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
25-12-2024 04:47

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General

Target

a218d406d0fa9f6a7dd2fbd924d1fd318851c7f7257771d21965ab0d0de65543.exe
Size

277KB
MD5

3ce445fd600538b9abd485582e78131f
SHA1

6fc5c8e21c77fcb8b1282e873816b6d89573d2a7
SHA256

a218d406d0fa9f6a7dd2fbd924d1fd318851c7f7257771d21965ab0d0de65543
SHA512

f9bb3a7ff6cb8dbb39b7b08bfe96084f4bc9686e7279ec8389b1638696c3073be301f66cc658d6f61b20b7421e8be54e0451681950487a4deeaaaf6a9eb92b52
SSDEEP

3072:qDkSmYW6Xu6V1K9l4Jgy7NuhOsNojuDEq0zxuP3Wrxpzbgqru:qoZbs1mjmeNZ0K3uzbgwu

Score

10^/10

smokeloader pub2 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

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 1828 set thread context of 1940	1828	a218d406d0fa9f6a7dd2fbd924d1fd318851c7f7257771d21965ab0d0de65543.exe	84

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	a218d406d0fa9f6a7dd2fbd924d1fd318851c7f7257771d21965ab0d0de65543.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	a218d406d0fa9f6a7dd2fbd924d1fd318851c7f7257771d21965ab0d0de65543.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a218d406d0fa9f6a7dd2fbd924d1fd318851c7f7257771d21965ab0d0de65543.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a218d406d0fa9f6a7dd2fbd924d1fd318851c7f7257771d21965ab0d0de65543.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1828 wrote to memory of 1940	1828	a218d406d0fa9f6a7dd2fbd924d1fd318851c7f7257771d21965ab0d0de65543.exe	84
PID 1828 wrote to memory of 1940	1828	a218d406d0fa9f6a7dd2fbd924d1fd318851c7f7257771d21965ab0d0de65543.exe	84
PID 1828 wrote to memory of 1940	1828	a218d406d0fa9f6a7dd2fbd924d1fd318851c7f7257771d21965ab0d0de65543.exe	84
PID 1828 wrote to memory of 1940	1828	a218d406d0fa9f6a7dd2fbd924d1fd318851c7f7257771d21965ab0d0de65543.exe	84
PID 1828 wrote to memory of 1940	1828	a218d406d0fa9f6a7dd2fbd924d1fd318851c7f7257771d21965ab0d0de65543.exe	84
PID 1828 wrote to memory of 1940	1828	a218d406d0fa9f6a7dd2fbd924d1fd318851c7f7257771d21965ab0d0de65543.exe	84

C:\Users\Admin\AppData\Local\Temp\a218d406d0fa9f6a7dd2fbd924d1fd318851c7f7257771d21965ab0d0de65543.exe
"C:\Users\Admin\AppData\Local\Temp\a218d406d0fa9f6a7dd2fbd924d1fd318851c7f7257771d21965ab0d0de65543.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1828
- C:\Users\Admin\AppData\Local\Temp\a218d406d0fa9f6a7dd2fbd924d1fd318851c7f7257771d21965ab0d0de65543.exe
  "C:\Users\Admin\AppData\Local\Temp\a218d406d0fa9f6a7dd2fbd924d1fd318851c7f7257771d21965ab0d0de65543.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:1940

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/1828-0-0x0000000002190000-0x0000000002198000-memory.dmp

Filesize
32KB

Download
memory/1828-1-0x00000000021A0000-0x00000000021A9000-memory.dmp

Filesize
36KB

Download
memory/1828-4-0x0000000002190000-0x0000000002198000-memory.dmp

Filesize
32KB

Download
memory/1940-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1940-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1940-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download