smokeloader | dbdb54d5a90130e3370590c7e07b2e3146f8578305554ba3ed11aab579a3dd3f

Analysis

max time kernel
92s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-11-2024 12:03

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General

Target

AU3ie6Mv1vmus72LuhNF2jzZ.exe
Size

272KB
MD5

2384683b867fb23fe19827051656ff92
SHA1

9233c546a58426267f40c7e0071bb67a148404a2
SHA256

7c7698b0b225ba593441808a52e4d8607f2d1b1c650d5cfc6e6a06094bd218ec
SHA512

a51bdd08fd9aa814fe8c5f06f5183c6a08822532f54ecd1aa25d0a1465baaedf143feaa76aab837f9ee0cf26ddcfd5ac7d4b83513fca30abc75300de867eeb0d
SSDEEP

6144:NulL4+qmRj3GfgD8DxeQY4KiKGzWYlRDq5VKbapYuRpbLKClVyipPf:GLbqmNWfz4YlysRD2pYuPbL9GEP

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 5044 set thread context of 1968	5044	AU3ie6Mv1vmus72LuhNF2jzZ.exe	84

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	AU3ie6Mv1vmus72LuhNF2jzZ.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	AU3ie6Mv1vmus72LuhNF2jzZ.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AU3ie6Mv1vmus72LuhNF2jzZ.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	AU3ie6Mv1vmus72LuhNF2jzZ.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5044 wrote to memory of 1968	5044	AU3ie6Mv1vmus72LuhNF2jzZ.exe	84
PID 5044 wrote to memory of 1968	5044	AU3ie6Mv1vmus72LuhNF2jzZ.exe	84
PID 5044 wrote to memory of 1968	5044	AU3ie6Mv1vmus72LuhNF2jzZ.exe	84
PID 5044 wrote to memory of 1968	5044	AU3ie6Mv1vmus72LuhNF2jzZ.exe	84
PID 5044 wrote to memory of 1968	5044	AU3ie6Mv1vmus72LuhNF2jzZ.exe	84
PID 5044 wrote to memory of 1968	5044	AU3ie6Mv1vmus72LuhNF2jzZ.exe	84

C:\Users\Admin\AppData\Local\Temp\AU3ie6Mv1vmus72LuhNF2jzZ.exe
"C:\Users\Admin\AppData\Local\Temp\AU3ie6Mv1vmus72LuhNF2jzZ.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5044
- C:\Users\Admin\AppData\Local\Temp\AU3ie6Mv1vmus72LuhNF2jzZ.exe
  "C:\Users\Admin\AppData\Local\Temp\AU3ie6Mv1vmus72LuhNF2jzZ.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:1968

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/1968-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1968-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1968-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/5044-1-0x0000000002430000-0x0000000002530000-memory.dmp

Filesize
1024KB

Download
memory/5044-2-0x00000000040F0000-0x00000000040FA000-memory.dmp

Filesize
40KB

Download