smokeloader | 63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329

Analysis

max time kernel
94s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 17:57

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General

Target

63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.exe
Size

343KB
MD5

7f25f476b1ccf1b3757a09ea25febf7b
SHA1

e982bde4faf8e1c03b3dbefdb2d2fcb2e4263d9d
SHA256

63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329
SHA512

e41a762adc208bc72f9d1a18bec2801791fed3b5c63284a8c0159556c5c80f39b123acefd109d622ec8efed8fc2f47e249f2cb8942729ec37e0a70aeaf917155
SSDEEP

6144:8W/lpF4IOZ3Ag1ikawV4krNr9DOUDYVNxZiKwfeS5x8t:8+laZ3AyjCWNBDOUDQoKw2SnC

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Smokeloader family
smokeloader
Loads dropped DLL 1 IoCs

Processes:

63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.exe

pid process

4928 63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4516 4928 WerFault.exe 63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.exe

pid	process
4928	63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.exe

pid	pid_target	process	target process
4516	4928	WerFault.exe	63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.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:

63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.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:

63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.exe

C:\Users\Admin\AppData\Local\Temp\63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.exe
"C:\Users\Admin\AppData\Local\Temp\63f13af6da5c5b3a5bc84b05fcd257c437f6223d788aa5c1b2969f70e5a23329.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4928
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 380
  2⤵
  - Program crash
  PID:4516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4928 -ip 4928
1⤵
PID:1944

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

C:\Users\Admin\AppData\Local\Temp\1105.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/4928-2-0x0000000000CE0000-0x0000000000CE9000-memory.dmp

Filesize
36KB

Download
memory/4928-1-0x00000000009A0000-0x0000000000AA0000-memory.dmp

Filesize
1024KB

Download
memory/4928-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4928-9-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4928-8-0x0000000000400000-0x0000000000885000-memory.dmp

Filesize
4.5MB

Download