smokeloader | 02f86c67205d49488a1877958949126ce5f953945a027761dd71f1bdf62aa3c2

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10-09-2024 11:56

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General

Target

c3ee74a1002972ecf8098fc33c181bf0N.exe
Size

111KB
MD5

c3ee74a1002972ecf8098fc33c181bf0
SHA1

5485f8410ebe6feff63fc1eaf04698573ed0c08d
SHA256

02f86c67205d49488a1877958949126ce5f953945a027761dd71f1bdf62aa3c2
SHA512

b266dd99ad9138ee76db3818c522302a2fd3bb45d34630d131c7f9cb69f5a008b68d99210b406b60992e20f73812be07c3858d57c33a16ba0fda470bd954f2d0
SSDEEP

3072:36rxD6ApK4zjJof3688o0fjmBB6SH6zay4uko:sxD6Mbo0fCX6+Ruj

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
4824	c3ee74a1002972ecf8098fc33c181bf0N.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1308	4824	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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c3ee74a1002972ecf8098fc33c181bf0N.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 queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c3ee74a1002972ecf8098fc33c181bf0N.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c3ee74a1002972ecf8098fc33c181bf0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c3ee74a1002972ecf8098fc33c181bf0N.exe

C:\Users\Admin\AppData\Local\Temp\c3ee74a1002972ecf8098fc33c181bf0N.exe
"C:\Users\Admin\AppData\Local\Temp\c3ee74a1002972ecf8098fc33c181bf0N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4824
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4824 -s 516
  2⤵
  - Program crash
  PID:1308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4824 -ip 4824
1⤵
PID:1260

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/4824-1-0x0000000002D10000-0x0000000002D1A000-memory.dmp

Filesize
40KB

Download
memory/4824-2-0x0000000002D20000-0x0000000002D2A000-memory.dmp

Filesize
40KB

Download
memory/4824-0-0x0000000002CF0000-0x0000000002CF1000-memory.dmp

Filesize
4KB

Download
memory/4824-7-0x0000000002D20000-0x0000000002D2A000-memory.dmp

Filesize
40KB

Download