smokeloader | aefec444c7481f96021203a4e67af954092d09c31eb7dcf386eeb156e12d70b3

Analysis

max time kernel
140s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
21-04-2024 05:17

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General

Target

fe8540de5f12df11086e1b626e426fda_JaffaCakes118.exe
Size

312KB
MD5

fe8540de5f12df11086e1b626e426fda
SHA1

47f25f227fa842fc849ef939855c28a711378224
SHA256

aefec444c7481f96021203a4e67af954092d09c31eb7dcf386eeb156e12d70b3
SHA512

8fba93b861cbb03793550335f623c49eacafe95056fb8392f401d5a1b57c876358c201b07b330159af45eabc9bbd83af38cce889d6060581c391635b48f067f6
SSDEEP

6144:E3olE/EigdhF/GsddXH9XCFChk6a8syRt+yqv05rD3yhr3KBSgb:EgGE3dhhJdldCFv6aCVi0dyDy

Score

10^/10

smokeloader pub3 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Loads dropped DLL 1 IoCs

Processes:

fe8540de5f12df11086e1b626e426fda_JaffaCakes118.exe

pid process

3936 fe8540de5f12df11086e1b626e426fda_JaffaCakes118.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

528 3936 WerFault.exe fe8540de5f12df11086e1b626e426fda_JaffaCakes118.exe

pid	process
3936	fe8540de5f12df11086e1b626e426fda_JaffaCakes118.exe

pid	pid_target	process	target process
528	3936	WerFault.exe	fe8540de5f12df11086e1b626e426fda_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

Processes:

fe8540de5f12df11086e1b626e426fda_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fe8540de5f12df11086e1b626e426fda_JaffaCakes118.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fe8540de5f12df11086e1b626e426fda_JaffaCakes118.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fe8540de5f12df11086e1b626e426fda_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\fe8540de5f12df11086e1b626e426fda_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fe8540de5f12df11086e1b626e426fda_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
PID:3936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3936 -s 388
2⤵
- Program crash
PID:528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3936 -ip 3936
1⤵
PID:3632

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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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/3936-1-0x0000000000630000-0x0000000000730000-memory.dmp

Filesize
1024KB

Download
memory/3936-2-0x00000000004F0000-0x00000000004F9000-memory.dmp

Filesize
36KB

Download
memory/3936-3-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/3936-8-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download