smokeloader | c72ae6edeaced41fa9bef01881b66879ffdfcb3b5d37242e5f404d57bde32f73

Analysis

max time kernel
95s
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
08-11-2024 01:15

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General

Target

7f93859a1333e40574f822b1c7d5889b5ba982dfef94863f4190af931373aa18.exe
Size

145KB
MD5

7631b605b83eaaaf73fa761418e8f1eb
SHA1

eaff9de776694a1e0acb3c225edeed868c61c99f
SHA256

7f93859a1333e40574f822b1c7d5889b5ba982dfef94863f4190af931373aa18
SHA512

f5079c42bd1163cd463df8c6da3078749ce7d7041fb02fcd51741714872ff514c7a6f1117113da5cfc2b9031c0a820074432d615a6f679df93167556c549f7fb
SSDEEP

3072:uLSpQoCMRgmOjoV4147YYQaX5LfWGqJFs:eflMRgmLV4OtbxWvn

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 1800 set thread context of 1140	1800	7f93859a1333e40574f822b1c7d5889b5ba982dfef94863f4190af931373aa18.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7f93859a1333e40574f822b1c7d5889b5ba982dfef94863f4190af931373aa18.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	7f93859a1333e40574f822b1c7d5889b5ba982dfef94863f4190af931373aa18.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	7f93859a1333e40574f822b1c7d5889b5ba982dfef94863f4190af931373aa18.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	7f93859a1333e40574f822b1c7d5889b5ba982dfef94863f4190af931373aa18.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 1140	1800	7f93859a1333e40574f822b1c7d5889b5ba982dfef94863f4190af931373aa18.exe	86
PID 1800 wrote to memory of 1140	1800	7f93859a1333e40574f822b1c7d5889b5ba982dfef94863f4190af931373aa18.exe	86
PID 1800 wrote to memory of 1140	1800	7f93859a1333e40574f822b1c7d5889b5ba982dfef94863f4190af931373aa18.exe	86
PID 1800 wrote to memory of 1140	1800	7f93859a1333e40574f822b1c7d5889b5ba982dfef94863f4190af931373aa18.exe	86
PID 1800 wrote to memory of 1140	1800	7f93859a1333e40574f822b1c7d5889b5ba982dfef94863f4190af931373aa18.exe	86
PID 1800 wrote to memory of 1140	1800	7f93859a1333e40574f822b1c7d5889b5ba982dfef94863f4190af931373aa18.exe	86

C:\Users\Admin\AppData\Local\Temp\7f93859a1333e40574f822b1c7d5889b5ba982dfef94863f4190af931373aa18.exe
"C:\Users\Admin\AppData\Local\Temp\7f93859a1333e40574f822b1c7d5889b5ba982dfef94863f4190af931373aa18.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1800
- C:\Users\Admin\AppData\Local\Temp\7f93859a1333e40574f822b1c7d5889b5ba982dfef94863f4190af931373aa18.exe
  "C:\Users\Admin\AppData\Local\Temp\7f93859a1333e40574f822b1c7d5889b5ba982dfef94863f4190af931373aa18.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:1140

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/1140-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1140-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1140-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1800-0-0x00000000005D0000-0x00000000005D8000-memory.dmp

Filesize
32KB

Download
memory/1800-1-0x00000000005E0000-0x00000000005E9000-memory.dmp

Filesize
36KB

Download
memory/1800-3-0x00000000005D0000-0x00000000005D8000-memory.dmp

Filesize
32KB

Download