smokeloader | b6e7e7757e502ded20a0d2010f01cfab0e37d8b70f12efca56e5d75f74fd5dda

Analysis

max time kernel
95s
max time network
138s
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 09:42

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General

Target

b6e7e7757e502ded20a0d2010f01cfab0e37d8b70f12efca56e5d75f74fd5dda.exe
Size

285KB
MD5

043af6d03988956df9a2c845c50f3de2
SHA1

0d518e3f03bae37d2ad278ee09f65ccfda6d4e12
SHA256

b6e7e7757e502ded20a0d2010f01cfab0e37d8b70f12efca56e5d75f74fd5dda
SHA512

773b5025e4ad1e1b4d89023074b7a1dd4d01814192ed7b3d9b2bd4de6bed1ff32b3ce95a654e96c9c826f7e666dc342c8751bfc7f4d0bd18d5ff2f05c34b22e4
SSDEEP

6144:LnjozYIyIiGOURa4vkbC7wxAwM0ZnTV2hj:zjmviD8zvybAROnTV2l

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:

b6e7e7757e502ded20a0d2010f01cfab0e37d8b70f12efca56e5d75f74fd5dda.exe

pid	Process
1956	b6e7e7757e502ded20a0d2010f01cfab0e37d8b70f12efca56e5d75f74fd5dda.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
3776	1956	WerFault.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

Processes:

b6e7e7757e502ded20a0d2010f01cfab0e37d8b70f12efca56e5d75f74fd5dda.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b6e7e7757e502ded20a0d2010f01cfab0e37d8b70f12efca56e5d75f74fd5dda.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:

b6e7e7757e502ded20a0d2010f01cfab0e37d8b70f12efca56e5d75f74fd5dda.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b6e7e7757e502ded20a0d2010f01cfab0e37d8b70f12efca56e5d75f74fd5dda.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b6e7e7757e502ded20a0d2010f01cfab0e37d8b70f12efca56e5d75f74fd5dda.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b6e7e7757e502ded20a0d2010f01cfab0e37d8b70f12efca56e5d75f74fd5dda.exe

C:\Users\Admin\AppData\Local\Temp\b6e7e7757e502ded20a0d2010f01cfab0e37d8b70f12efca56e5d75f74fd5dda.exe
"C:\Users\Admin\AppData\Local\Temp\b6e7e7757e502ded20a0d2010f01cfab0e37d8b70f12efca56e5d75f74fd5dda.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:1956
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 340
  2⤵
  - Program crash
  PID:3776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1956 -ip 1956
1⤵
PID:2264

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/1956-1-0x00000000009E0000-0x0000000000AE0000-memory.dmp

Filesize
1024KB

Download
memory/1956-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1956-4-0x0000000000400000-0x0000000000877000-memory.dmp

Filesize
4.5MB

Download
memory/1956-8-0x0000000000400000-0x0000000000877000-memory.dmp

Filesize
4.5MB

Download
memory/1956-9-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download