smokeloader | e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed

Analysis

max time kernel
94s
max time network
149s
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 11:30

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General

Target

e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.exe
Size

181KB
MD5

3bd6c6e6ad4fea6981478342e347ff04
SHA1

99d38aca5346c37c6b6394884a4dab485b749efd
SHA256

e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed
SHA512

797795790457d834075de80af7ce289e96963f0720976f48ac9f2b0d6eac00e87d423f11bc88394639ea6dd34eb4c73bc23499e899b2a4627c640f1bcad71bbd
SSDEEP

3072:XehHhLuC/Ns7nvlA818/TLCq8ddJ5LY62yIyU1CXSbmFU:XehBLh/UGhT02yInCXSK

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

Processes:

e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.exe

description	pid	process	target process
PID 1940 set thread context of 1524	1940	e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.exe	e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.exe

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

Processes:

e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.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

Processes:

e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.exe

description	pid	process	target process
PID 1940 wrote to memory of 1524	1940	e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.exe	e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.exe
PID 1940 wrote to memory of 1524	1940	e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.exe	e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.exe
PID 1940 wrote to memory of 1524	1940	e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.exe	e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.exe
PID 1940 wrote to memory of 1524	1940	e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.exe	e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.exe
PID 1940 wrote to memory of 1524	1940	e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.exe	e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.exe
PID 1940 wrote to memory of 1524	1940	e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.exe	e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.exe

C:\Users\Admin\AppData\Local\Temp\e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.exe
"C:\Users\Admin\AppData\Local\Temp\e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Users\Admin\AppData\Local\Temp\e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.exe
  "C:\Users\Admin\AppData\Local\Temp\e5c34dc3fa3e2febcab457307c0da0e8eb1cd3e8afd216a4db0a395f38b003ed.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:1524

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/1524-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1524-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1524-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1940-1-0x0000000002160000-0x0000000002260000-memory.dmp

Filesize
1024KB

Download
memory/1940-2-0x0000000003E90000-0x0000000003E9A000-memory.dmp

Filesize
40KB

Download