smokeloader | fda3e128efe85af2ff29ce1657fd6d26aff37b724a308e3ff48596c8a7d795f5

Analysis

max time kernel
134s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20-08-2024 20:04

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General

Target

b0a3aa49cb254a5a30ae5551a889ab3a_JaffaCakes118.exe
Size

293KB
MD5

b0a3aa49cb254a5a30ae5551a889ab3a
SHA1

1da8ab99e7e40ab8c517b03887df4fc5f03e29af
SHA256

fda3e128efe85af2ff29ce1657fd6d26aff37b724a308e3ff48596c8a7d795f5
SHA512

2b961074152de1875712a10367d669509becea64cdcc47dde6eed3d5bdce6b9491cb6b87fbb92e392421f8d75b88593f1fade4dc89d2197866487d8ae3a1f832
SSDEEP

6144:zOYFnZO0vn6hKckwZeJ2hL5rVrjosLEja/8dKenOvpPDHxNa:DS0/6vkws41osLEGEdznOvpPrxN

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
2332	b0a3aa49cb254a5a30ae5551a889ab3a_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1652	2332	WerFault.exe	84

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	b0a3aa49cb254a5a30ae5551a889ab3a_JaffaCakes118.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	b0a3aa49cb254a5a30ae5551a889ab3a_JaffaCakes118.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b0a3aa49cb254a5a30ae5551a889ab3a_JaffaCakes118.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b0a3aa49cb254a5a30ae5551a889ab3a_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\b0a3aa49cb254a5a30ae5551a889ab3a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b0a3aa49cb254a5a30ae5551a889ab3a_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:2332
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2332 -s 484
  2⤵
  - Program crash
  PID:1652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2332 -ip 2332
1⤵
PID:3512

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/2332-0-0x0000000001220000-0x0000000001221000-memory.dmp

Filesize
4KB

Download
memory/2332-2-0x0000000001370000-0x000000000137A000-memory.dmp

Filesize
40KB

Download
memory/2332-1-0x0000000001280000-0x000000000128A000-memory.dmp

Filesize
40KB

Download
memory/2332-7-0x0000000001370000-0x000000000137A000-memory.dmp

Filesize
40KB

Download