smokeloader | 7b7b1b7f82d86121537b7c7c9c92043e5a5f795cf7ec5cb5f4c96ceb3332d962

Analysis

max time kernel
109s
max time network
111s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26-08-2024 13:03

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General

Target

3c60c16b1468d02f93dcade32fc434a0N.exe
Size

185KB
MD5

3c60c16b1468d02f93dcade32fc434a0
SHA1

c882df4da6d7c0626e32a1668f684eb787586440
SHA256

7b7b1b7f82d86121537b7c7c9c92043e5a5f795cf7ec5cb5f4c96ceb3332d962
SHA512

856b8fcaffa1da9ad11c6d0c2a6b421ecb1c6a8cc50355d27fc63141b58eaed5187fb1b9b3866dd6b178b0f63d922d0432f458487f505a85bc1504d9fab7a2dd
SSDEEP

3072:BBZKUW8Xsrj/qe+ntO9nZpQs5lszGciszMe2oQYxeVHkeuQyZwhe:jZ9W8XJgtZlFOzX2oQkzeuNu

Score

10^/10

smokeloader ku11 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

ku11

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader

Loads dropped DLL 1 IoCs

pid	Process
2052	3c60c16b1468d02f93dcade32fc434a0N.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4828	2052	WerFault.exe	85

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	3c60c16b1468d02f93dcade32fc434a0N.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	3c60c16b1468d02f93dcade32fc434a0N.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3c60c16b1468d02f93dcade32fc434a0N.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3c60c16b1468d02f93dcade32fc434a0N.exe

C:\Users\Admin\AppData\Local\Temp\3c60c16b1468d02f93dcade32fc434a0N.exe
"C:\Users\Admin\AppData\Local\Temp\3c60c16b1468d02f93dcade32fc434a0N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:2052
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 484
  2⤵
  - Program crash
  PID:4828

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2052 -ip 2052
1⤵
PID:4504

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

C:\Users\Admin\AppData\Local\Temp\5C1B.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/2052-0-0x0000000000D00000-0x0000000000D01000-memory.dmp

Filesize
4KB

Download
memory/2052-1-0x0000000000D20000-0x0000000000D2A000-memory.dmp

Filesize
40KB

Download
memory/2052-2-0x0000000000D30000-0x0000000000D3A000-memory.dmp

Filesize
40KB

Download
memory/2052-7-0x0000000000D30000-0x0000000000D3A000-memory.dmp

Filesize
40KB

Download