smokeloader | 0290900d41e52bfbd0da4ce6855e4588989b5d042a1bce48b6e79490590fc8cd

Analysis

max time kernel
142s
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
21-09-2024 14:51

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General

Target

f007fa80d9496d0fd351afb756a9c256_JaffaCakes118.exe
Size

208KB
MD5

f007fa80d9496d0fd351afb756a9c256
SHA1

3793c64986b83e4e44bc357fe724181850f859d2
SHA256

0290900d41e52bfbd0da4ce6855e4588989b5d042a1bce48b6e79490590fc8cd
SHA512

cc3f2f674bb93b8e751001f1cce7fbf4a3da7585346512fd723b5c8c81877f41e6f83d87010bfd0441c4e76a312e68f71266f86f2af9d3827f0db73d5cc687a7
SSDEEP

3072:817tiahkBK1KoPMlXd/HrElouMNqYDhWMmnVoCYWeE:86aiBK1jP4NzElRMNq8hWBA9

Score

10^/10

smokeloader vgu backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

VgU

Extracted

Family

smokeloader

Version

2018

http://klub11n.se/kp/

rc4.i32

Signatures

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

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk 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\Services\Disk\Enum	f007fa80d9496d0fd351afb756a9c256_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	f007fa80d9496d0fd351afb756a9c256_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 832 set thread context of 3256	832	f007fa80d9496d0fd351afb756a9c256_JaffaCakes118.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	f007fa80d9496d0fd351afb756a9c256_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
3256	f007fa80d9496d0fd351afb756a9c256_JaffaCakes118.exe
3256	f007fa80d9496d0fd351afb756a9c256_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
832	f007fa80d9496d0fd351afb756a9c256_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 832 wrote to memory of 3256	832	f007fa80d9496d0fd351afb756a9c256_JaffaCakes118.exe	82
PID 832 wrote to memory of 3256	832	f007fa80d9496d0fd351afb756a9c256_JaffaCakes118.exe	82
PID 832 wrote to memory of 3256	832	f007fa80d9496d0fd351afb756a9c256_JaffaCakes118.exe	82
PID 832 wrote to memory of 3256	832	f007fa80d9496d0fd351afb756a9c256_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\f007fa80d9496d0fd351afb756a9c256_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f007fa80d9496d0fd351afb756a9c256_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:832
- C:\Users\Admin\AppData\Local\Temp\f007fa80d9496d0fd351afb756a9c256_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f007fa80d9496d0fd351afb756a9c256_JaffaCakes118.exe"
  2⤵
  - Maps connected drives based on registry
  - Suspicious behavior: MapViewOfSection
  PID:3256

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

memory/832-0-0x000000000040E000-0x0000000000417000-memory.dmp

Filesize
36KB

Download
memory/3256-1-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3256-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3516-2-0x00000000026C0000-0x00000000026C1000-memory.dmp

Filesize
4KB

Download
memory/3516-3-0x0000000002800000-0x0000000002815000-memory.dmp

Filesize
84KB

Download
memory/3516-4-0x00000000026C0000-0x00000000026C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads