smokeloader | c8b118ba173e4ecd87c04249247d7bd612d97bc031c79294a3ae7fdeac1db91b

Analysis

max time kernel
94s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-12-2024 13:44

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General

Target

c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe
Size

334KB
MD5

678807c0b9d962178377f293f7484612
SHA1

694d2e1296cfb8f8cdc429657db56c45d021f6c1
SHA256

c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d
SHA512

4c6a151b1ed96bc068a6b461f778e9f88a8893a6876006312b224b1246ff74ba2f149c99797864e93058a4d9376a58c273983c53c0caa47af9c0f2d87d170610
SSDEEP

6144:a+CwdmzzY/hDow1YYQP5UTjCr7SS8vOh+3oQ9gOU+fzYBb6:3mYZk+jCPSS8B9gT6

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 2388 set thread context of 1924	2388	c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe	82

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	c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.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	c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 1924	2388	c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe	82
PID 2388 wrote to memory of 1924	2388	c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe	82
PID 2388 wrote to memory of 1924	2388	c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe	82
PID 2388 wrote to memory of 1924	2388	c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe	82
PID 2388 wrote to memory of 1924	2388	c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe	82
PID 2388 wrote to memory of 1924	2388	c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe	82

C:\Users\Admin\AppData\Local\Temp\c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe
"C:\Users\Admin\AppData\Local\Temp\c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Users\Admin\AppData\Local\Temp\c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe
  "C:\Users\Admin\AppData\Local\Temp\c836af03996a542ebf7060f78a2985e44d43eb5f48f315abcddf0dbbed70736d.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:1924

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/1924-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1924-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1924-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2388-1-0x0000000000A10000-0x0000000000B10000-memory.dmp

Filesize
1024KB

Download
memory/2388-2-0x00000000001C0000-0x00000000001C9000-memory.dmp

Filesize
36KB

Download