smokeloader | 5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0

Resubmissions

28-10-2024 23:04

241028-22dkkaxkgs 10

12-10-2023 03:13

231012-dq9a4acc9x 10

Analysis

max time kernel
100s
max time network
127s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
28-10-2024 23:04

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General

Target

5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe
Size

240KB
MD5

3dfa31f7221ee15b4e402771d9799b49
SHA1

fb78d2ae1f1fa830cb85ae29aa3ec93a48af05c5
SHA256

5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0
SHA512

cb929de8302914a0e62cae098354d108f9ca0fdc879240f5ea74d3c85c3f19f4a4dbac588d6f5297cf4dbaaf235bf839eb84d8bef1d050b158713e3edaa5f8f5
SSDEEP

6144:wE5frpxdonyq4zaG2u5AOTeK5b0OIquqp:wyrp0/9u5Nemb/Iquqp

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

description	pid	Process	procid_target
PID 4740 set thread context of 1940	4740	5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe	81

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4596	4740	WerFault.exe	79

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	5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.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	AppLaunch.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AppLaunch.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AppLaunch.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 1940	4740	5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe	81
PID 4740 wrote to memory of 1940	4740	5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe	81
PID 4740 wrote to memory of 1940	4740	5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe	81
PID 4740 wrote to memory of 1940	4740	5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe	81
PID 4740 wrote to memory of 1940	4740	5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe	81
PID 4740 wrote to memory of 1940	4740	5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe	81

C:\Users\Admin\AppData\Local\Temp\5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe
"C:\Users\Admin\AppData\Local\Temp\5a1198b7406c0f3cbc4db112ed97b0ef671890ace44e12f360ab50d2cfed11c0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4740
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:1940
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4740 -s 308
  2⤵
  - Program crash
  PID:4596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4740 -ip 4740
1⤵
PID:1224

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

Filesize
36KB

Download
memory/1940-1-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

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

Filesize
36KB

Download