smokeloader | 2d1203b3d2f115bd70b5d384d4fc6fe39b36833f73e4a672aa1cbf95c93e192d

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2024 20:11

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General

Target

2d1203b3d2f115bd70b5d384d4fc6fe39b36833f73e4a672aa1cbf95c93e192d.exe
Size

344KB
MD5

6dbed5f5f0210f2161430ade36104c67
SHA1

943ad1d91e4218c911f02967df690ae85bc0045c
SHA256

2d1203b3d2f115bd70b5d384d4fc6fe39b36833f73e4a672aa1cbf95c93e192d
SHA512

2390a18081c8c75adabcdbb6f111bde83b7465988b61137d7c9481fe5a7d32af7b40ffbbc9c38feab2eefb7e27347c53a228f5e9a7a837c49fcc05e126b6f358
SSDEEP

6144:FTHFdUv1+Q4sFqXT7urXLcZRRf3J6mZkQk:p3Uv1+WqXnurXLcZRRfkYH

Score

10^/10

smokeloader 0204 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

0204

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
1640	2d1203b3d2f115bd70b5d384d4fc6fe39b36833f73e4a672aa1cbf95c93e192d.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3012 set thread context of 1640	3012	2d1203b3d2f115bd70b5d384d4fc6fe39b36833f73e4a672aa1cbf95c93e192d.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	2d1203b3d2f115bd70b5d384d4fc6fe39b36833f73e4a672aa1cbf95c93e192d.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	2d1203b3d2f115bd70b5d384d4fc6fe39b36833f73e4a672aa1cbf95c93e192d.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2d1203b3d2f115bd70b5d384d4fc6fe39b36833f73e4a672aa1cbf95c93e192d.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2d1203b3d2f115bd70b5d384d4fc6fe39b36833f73e4a672aa1cbf95c93e192d.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 1640	3012	2d1203b3d2f115bd70b5d384d4fc6fe39b36833f73e4a672aa1cbf95c93e192d.exe	82
PID 3012 wrote to memory of 1640	3012	2d1203b3d2f115bd70b5d384d4fc6fe39b36833f73e4a672aa1cbf95c93e192d.exe	82
PID 3012 wrote to memory of 1640	3012	2d1203b3d2f115bd70b5d384d4fc6fe39b36833f73e4a672aa1cbf95c93e192d.exe	82
PID 3012 wrote to memory of 1640	3012	2d1203b3d2f115bd70b5d384d4fc6fe39b36833f73e4a672aa1cbf95c93e192d.exe	82
PID 3012 wrote to memory of 1640	3012	2d1203b3d2f115bd70b5d384d4fc6fe39b36833f73e4a672aa1cbf95c93e192d.exe	82
PID 3012 wrote to memory of 1640	3012	2d1203b3d2f115bd70b5d384d4fc6fe39b36833f73e4a672aa1cbf95c93e192d.exe	82

C:\Users\Admin\AppData\Local\Temp\2d1203b3d2f115bd70b5d384d4fc6fe39b36833f73e4a672aa1cbf95c93e192d.exe
"C:\Users\Admin\AppData\Local\Temp\2d1203b3d2f115bd70b5d384d4fc6fe39b36833f73e4a672aa1cbf95c93e192d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Users\Admin\AppData\Local\Temp\2d1203b3d2f115bd70b5d384d4fc6fe39b36833f73e4a672aa1cbf95c93e192d.exe
  "C:\Users\Admin\AppData\Local\Temp\2d1203b3d2f115bd70b5d384d4fc6fe39b36833f73e4a672aa1cbf95c93e192d.exe"
  2⤵
  - Loads dropped DLL
  - Checks SCSI registry key(s)
  PID:1640

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

C:\Users\Admin\AppData\Local\Temp\AE30.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/1640-3-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1640-4-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1640-8-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3012-1-0x0000000000A80000-0x0000000000B80000-memory.dmp

Filesize
1024KB

Download
memory/3012-2-0x0000000002640000-0x000000000264C000-memory.dmp

Filesize
48KB

Download