smokeloader | 650e7d8b36716d74c25d56d5dccfda619a073381d16156b1182a841ef00b6994

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15-08-2024 16:30

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General

Target

9ac3af155a3943f98b58d46f3c01c544_JaffaCakes118.exe
Size

267KB
MD5

9ac3af155a3943f98b58d46f3c01c544
SHA1

1556cfb9a0b63348332e65a706c6660aa5f2e2c3
SHA256

650e7d8b36716d74c25d56d5dccfda619a073381d16156b1182a841ef00b6994
SHA512

85b9de6173d6dc8678803a4dc0c0dfdb836cac72da010d75633175ba656fd68829a15a040db3779b03d8844a1eb2be45d85ed7b5143e93c659630f6edfda8dcd
SSDEEP

6144:XKLc+bSBHOJQFWG+jt4xab1mIl6lDmOQPTZTzEnNUhY:X+bSl28WG+jUI1/l6lDsTVE

Score

10^/10

smokeloader pub2 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
972	9ac3af155a3943f98b58d46f3c01c544_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3432	972	WerFault.exe	83

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	9ac3af155a3943f98b58d46f3c01c544_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	9ac3af155a3943f98b58d46f3c01c544_JaffaCakes118.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	9ac3af155a3943f98b58d46f3c01c544_JaffaCakes118.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	9ac3af155a3943f98b58d46f3c01c544_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\9ac3af155a3943f98b58d46f3c01c544_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9ac3af155a3943f98b58d46f3c01c544_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:972
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 972 -s 340
  2⤵
  - Program crash
  PID:3432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 972 -ip 972
1⤵
PID:4916

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\CC4F.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/972-2-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/972-1-0x0000000000BB0000-0x0000000000CB0000-memory.dmp

Filesize
1024KB

Download
memory/972-7-0x0000000000400000-0x000000000088F000-memory.dmp

Filesize
4.6MB

Download
memory/972-8-0x0000000000400000-0x000000000088F000-memory.dmp

Filesize
4.6MB

Download
memory/972-9-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download