smokeloader | d739382627a7d7f0d7540883e4b5474065768acf0664eae618bd3f73028cc690

Analysis

max time kernel
94s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/11/2024, 21:14

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General

Target

d739382627a7d7f0d7540883e4b5474065768acf0664eae618bd3f73028cc690.exe
Size

344KB
MD5

12d4e927bdb52d4fb29a54d93e66e5e6
SHA1

f36d19717fe96161b635ff2df78124902226642c
SHA256

d739382627a7d7f0d7540883e4b5474065768acf0664eae618bd3f73028cc690
SHA512

23315aae0d9a815a7b3c88e6402b146d7d7033c5b895085cfbdcbe38a48db2d9a12c848563350f2d964484f230913871c8f2781a382b053231849f44bf0d062b
SSDEEP

6144:BUry+V6gudaMW6uLHw9AHcjKGKVr6x+etD6hFvpNlvKVrfcFi5abSJN:BMyvgusMNuk9A19NK+SD6hFxuVr0FxeN

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 2332	4740	d739382627a7d7f0d7540883e4b5474065768acf0664eae618bd3f73028cc690.exe	82

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	d739382627a7d7f0d7540883e4b5474065768acf0664eae618bd3f73028cc690.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 enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d739382627a7d7f0d7540883e4b5474065768acf0664eae618bd3f73028cc690.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d739382627a7d7f0d7540883e4b5474065768acf0664eae618bd3f73028cc690.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d739382627a7d7f0d7540883e4b5474065768acf0664eae618bd3f73028cc690.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 2332	4740	d739382627a7d7f0d7540883e4b5474065768acf0664eae618bd3f73028cc690.exe	82
PID 4740 wrote to memory of 2332	4740	d739382627a7d7f0d7540883e4b5474065768acf0664eae618bd3f73028cc690.exe	82
PID 4740 wrote to memory of 2332	4740	d739382627a7d7f0d7540883e4b5474065768acf0664eae618bd3f73028cc690.exe	82
PID 4740 wrote to memory of 2332	4740	d739382627a7d7f0d7540883e4b5474065768acf0664eae618bd3f73028cc690.exe	82
PID 4740 wrote to memory of 2332	4740	d739382627a7d7f0d7540883e4b5474065768acf0664eae618bd3f73028cc690.exe	82
PID 4740 wrote to memory of 2332	4740	d739382627a7d7f0d7540883e4b5474065768acf0664eae618bd3f73028cc690.exe	82

C:\Users\Admin\AppData\Local\Temp\d739382627a7d7f0d7540883e4b5474065768acf0664eae618bd3f73028cc690.exe
"C:\Users\Admin\AppData\Local\Temp\d739382627a7d7f0d7540883e4b5474065768acf0664eae618bd3f73028cc690.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4740
- C:\Users\Admin\AppData\Local\Temp\d739382627a7d7f0d7540883e4b5474065768acf0664eae618bd3f73028cc690.exe
  "C:\Users\Admin\AppData\Local\Temp\d739382627a7d7f0d7540883e4b5474065768acf0664eae618bd3f73028cc690.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:2332

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/2332-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2332-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2332-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4740-2-0x0000000000910000-0x0000000000919000-memory.dmp

Filesize
36KB

Download
memory/4740-1-0x0000000000950000-0x0000000000A50000-memory.dmp

Filesize
1024KB

Download