smokeloader | 33545c4ede272c14b94d1d08a424ac6e5830b952659937e42725c79df1b4289a

Analysis

max time kernel
94s
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
15-12-2024 13:56

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General

Target

33545c4ede272c14b94d1d08a424ac6e5830b952659937e42725c79df1b4289a.exe
Size

190KB
MD5

fcbe9eea04a3a26ecbb3ab61684ab2a2
SHA1

6c58fe2cc3cb8d756dcd69913ae1c4889d59a8c3
SHA256

33545c4ede272c14b94d1d08a424ac6e5830b952659937e42725c79df1b4289a
SHA512

caf0722946ffbf2ee324dc7eb6813c773611c8e7772657fea068ce853b3b07ad94704f428508a521f715a8bda341311a16e018b7714f2dec3cda94c7c2686786
SSDEEP

3072:oUX+3Ykugn6L7ihvrN1kSRi3su4jmlkxv/okbgjtmr9d28TPHeMdwGJc:p+obg6L7OvrN124/xvm0d1rw

Score

10^/10

smokeloader pub1 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

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 1004 set thread context of 3472	1004	33545c4ede272c14b94d1d08a424ac6e5830b952659937e42725c79df1b4289a.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	33545c4ede272c14b94d1d08a424ac6e5830b952659937e42725c79df1b4289a.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	33545c4ede272c14b94d1d08a424ac6e5830b952659937e42725c79df1b4289a.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	33545c4ede272c14b94d1d08a424ac6e5830b952659937e42725c79df1b4289a.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	33545c4ede272c14b94d1d08a424ac6e5830b952659937e42725c79df1b4289a.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1004 wrote to memory of 3472	1004	33545c4ede272c14b94d1d08a424ac6e5830b952659937e42725c79df1b4289a.exe	82
PID 1004 wrote to memory of 3472	1004	33545c4ede272c14b94d1d08a424ac6e5830b952659937e42725c79df1b4289a.exe	82
PID 1004 wrote to memory of 3472	1004	33545c4ede272c14b94d1d08a424ac6e5830b952659937e42725c79df1b4289a.exe	82
PID 1004 wrote to memory of 3472	1004	33545c4ede272c14b94d1d08a424ac6e5830b952659937e42725c79df1b4289a.exe	82
PID 1004 wrote to memory of 3472	1004	33545c4ede272c14b94d1d08a424ac6e5830b952659937e42725c79df1b4289a.exe	82
PID 1004 wrote to memory of 3472	1004	33545c4ede272c14b94d1d08a424ac6e5830b952659937e42725c79df1b4289a.exe	82

C:\Users\Admin\AppData\Local\Temp\33545c4ede272c14b94d1d08a424ac6e5830b952659937e42725c79df1b4289a.exe
"C:\Users\Admin\AppData\Local\Temp\33545c4ede272c14b94d1d08a424ac6e5830b952659937e42725c79df1b4289a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1004
- C:\Users\Admin\AppData\Local\Temp\33545c4ede272c14b94d1d08a424ac6e5830b952659937e42725c79df1b4289a.exe
  "C:\Users\Admin\AppData\Local\Temp\33545c4ede272c14b94d1d08a424ac6e5830b952659937e42725c79df1b4289a.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:3472

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/1004-1-0x00000000007D0000-0x00000000008D0000-memory.dmp

Filesize
1024KB

Download
memory/1004-2-0x00000000022D0000-0x00000000022D9000-memory.dmp

Filesize
36KB

Download
memory/3472-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3472-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3472-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download