smokeloader | cb51c976789621e531b2b035c7edef942ce35418135efa64507254485680fdcf

Analysis

max time kernel
107s
max time network
108s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23-08-2024 01:38

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General

Target

78a2743356a06815baa805ce2c563e40N.exe
Size

912KB
MD5

78a2743356a06815baa805ce2c563e40
SHA1

188f8bb2b430127acd71d74fa5140b7567c6a3b2
SHA256

cb51c976789621e531b2b035c7edef942ce35418135efa64507254485680fdcf
SHA512

f9d1096815fd6a6d0b14e13d99d4c3a5b24ec09b5a157328902a04a3360888920f1611d2d2d6685859d1ee5b2a9f86be9e084139a588af13a096548ea0e46fca
SSDEEP

12288:HvlsmNwVMzNcmaq6GIr8EaBq64q3n9uqtJLYS28uvSiLd:6mNwVyNcmaqYwDq64sEqs

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3720 set thread context of 1144	3720	78a2743356a06815baa805ce2c563e40N.exe	87

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	78a2743356a06815baa805ce2c563e40N.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 3720 wrote to memory of 1144	3720	78a2743356a06815baa805ce2c563e40N.exe	87
PID 3720 wrote to memory of 1144	3720	78a2743356a06815baa805ce2c563e40N.exe	87
PID 3720 wrote to memory of 1144	3720	78a2743356a06815baa805ce2c563e40N.exe	87
PID 3720 wrote to memory of 1144	3720	78a2743356a06815baa805ce2c563e40N.exe	87
PID 3720 wrote to memory of 1144	3720	78a2743356a06815baa805ce2c563e40N.exe	87
PID 3720 wrote to memory of 1144	3720	78a2743356a06815baa805ce2c563e40N.exe	87

C:\Users\Admin\AppData\Local\Temp\78a2743356a06815baa805ce2c563e40N.exe
"C:\Users\Admin\AppData\Local\Temp\78a2743356a06815baa805ce2c563e40N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3720
- 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:1144

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/1144-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1144-1-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1144-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download