smokeloader | d5da21d949f518943f96cd13cfe508e743e0597ba18d2caf22ce1df2feb93078

Analysis

max time kernel
142s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20-09-2024 01:05

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General

Target

ec894b988d3e8cf720f40db52e735754_JaffaCakes118.exe
Size

696KB
MD5

ec894b988d3e8cf720f40db52e735754
SHA1

3bc08cc097a6e4e072e680c10eaeef14edc73fb4
SHA256

d5da21d949f518943f96cd13cfe508e743e0597ba18d2caf22ce1df2feb93078
SHA512

6053294655b8f1a110f751214e70975ec9ec8cb2357bcf8a6a95030f897f8a83411b1b1014d402832ebeda4e86a9aeeb0dabf52f2296183be4feca581b9f315d
SSDEEP

12288:u3VAETQVzYNkt//xMoc6gzUhtn2K3j+FAJZimlRE2cG:u3qDYNkJl3nFztTlRn7

Score

10^/10

smokeloader vgu backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

VgU

Extracted

Family

smokeloader

Version

2018

http://ligue1.fun/wx/

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	ec894b988d3e8cf720f40db52e735754_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	ec894b988d3e8cf720f40db52e735754_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4740 set thread context of 3964	4740	ec894b988d3e8cf720f40db52e735754_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	ec894b988d3e8cf720f40db52e735754_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
3964	ec894b988d3e8cf720f40db52e735754_JaffaCakes118.exe
3964	ec894b988d3e8cf720f40db52e735754_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4740	ec894b988d3e8cf720f40db52e735754_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 3964	4740	ec894b988d3e8cf720f40db52e735754_JaffaCakes118.exe	82
PID 4740 wrote to memory of 3964	4740	ec894b988d3e8cf720f40db52e735754_JaffaCakes118.exe	82
PID 4740 wrote to memory of 3964	4740	ec894b988d3e8cf720f40db52e735754_JaffaCakes118.exe	82
PID 4740 wrote to memory of 3964	4740	ec894b988d3e8cf720f40db52e735754_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\ec894b988d3e8cf720f40db52e735754_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ec894b988d3e8cf720f40db52e735754_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4740
- C:\Users\Admin\AppData\Local\Temp\ec894b988d3e8cf720f40db52e735754_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ec894b988d3e8cf720f40db52e735754_JaffaCakes118.exe"
  2⤵
  - Maps connected drives based on registry
  - Suspicious behavior: MapViewOfSection
  PID:3964

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/3496-4-0x00000000028C0000-0x00000000028D5000-memory.dmp

Filesize
84KB

Download
memory/3496-3-0x0000000002260000-0x0000000002261000-memory.dmp

Filesize
4KB

Download
memory/3964-1-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3964-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3964-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4740-0-0x000000000044E000-0x0000000000457000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads