smokeloader | f0ff55be8e654264d97665a7068efac23c396ece6397fad121c57682b7d71806

Analysis

max time kernel
95s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-11-2024 21:51

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General

Target

f0ff55be8e654264d97665a7068efac23c396ece6397fad121c57682b7d71806.exe
Size

340KB
MD5

24a267d4f42b5f498b79f38ca2b78e8f
SHA1

7ad79ea33dfcb20e0ef1572c6512b5d7b072ccc4
SHA256

f0ff55be8e654264d97665a7068efac23c396ece6397fad121c57682b7d71806
SHA512

b34f92aae93a74c6b666faf38d199d707ab66ee09768d236913205b40b71ec8a28b2104b148a206741c4a0a3d18cbc99c9e4faa7da5909b8e2dc8b9cd1a71e01
SSDEEP

6144:nBoSD9sNJqjFZGtsK+of7Qb8sykCyr+xRk:BhDGre7GFf7Qb8sykCyY

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

f0ff55be8e654264d97665a7068efac23c396ece6397fad121c57682b7d71806.exe

description	pid	Process	procid_target
PID 2452 set thread context of 3472	2452	f0ff55be8e654264d97665a7068efac23c396ece6397fad121c57682b7d71806.exe	86

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:

f0ff55be8e654264d97665a7068efac23c396ece6397fad121c57682b7d71806.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f0ff55be8e654264d97665a7068efac23c396ece6397fad121c57682b7d71806.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:

f0ff55be8e654264d97665a7068efac23c396ece6397fad121c57682b7d71806.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f0ff55be8e654264d97665a7068efac23c396ece6397fad121c57682b7d71806.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f0ff55be8e654264d97665a7068efac23c396ece6397fad121c57682b7d71806.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f0ff55be8e654264d97665a7068efac23c396ece6397fad121c57682b7d71806.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

f0ff55be8e654264d97665a7068efac23c396ece6397fad121c57682b7d71806.exe

description	pid	Process	procid_target
PID 2452 wrote to memory of 3472	2452	f0ff55be8e654264d97665a7068efac23c396ece6397fad121c57682b7d71806.exe	86
PID 2452 wrote to memory of 3472	2452	f0ff55be8e654264d97665a7068efac23c396ece6397fad121c57682b7d71806.exe	86
PID 2452 wrote to memory of 3472	2452	f0ff55be8e654264d97665a7068efac23c396ece6397fad121c57682b7d71806.exe	86
PID 2452 wrote to memory of 3472	2452	f0ff55be8e654264d97665a7068efac23c396ece6397fad121c57682b7d71806.exe	86
PID 2452 wrote to memory of 3472	2452	f0ff55be8e654264d97665a7068efac23c396ece6397fad121c57682b7d71806.exe	86
PID 2452 wrote to memory of 3472	2452	f0ff55be8e654264d97665a7068efac23c396ece6397fad121c57682b7d71806.exe	86

C:\Users\Admin\AppData\Local\Temp\f0ff55be8e654264d97665a7068efac23c396ece6397fad121c57682b7d71806.exe
"C:\Users\Admin\AppData\Local\Temp\f0ff55be8e654264d97665a7068efac23c396ece6397fad121c57682b7d71806.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Users\Admin\AppData\Local\Temp\f0ff55be8e654264d97665a7068efac23c396ece6397fad121c57682b7d71806.exe
  "C:\Users\Admin\AppData\Local\Temp\f0ff55be8e654264d97665a7068efac23c396ece6397fad121c57682b7d71806.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/2452-1-0x0000000002DE0000-0x0000000002EE0000-memory.dmp

Filesize
1024KB

Download
memory/2452-2-0x0000000002DD0000-0x0000000002DD9000-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/3472-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3472-5-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download