smokeloader | d671b17afb9e245e629823dccd61d78257df00834fb2b1fa9431c6439c62fd45

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
13-04-2024 01:24

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General

Target

d671b17afb9e245e629823dccd61d78257df00834fb2b1fa9431c6439c62fd45.exe
Size

294KB
MD5

73c5e5058bdb7449f2e38f1c7645b9ad
SHA1

e9b584910e84b4af4394d944fd178d2b110c5c96
SHA256

d671b17afb9e245e629823dccd61d78257df00834fb2b1fa9431c6439c62fd45
SHA512

0fb7942508977e8f94dc74c6b3d3e29d2236945896c61b0c7a2a0a3e8e8cd68f3f6985e53208e213f35acc34e290a01eb3534e91577f28f7b7abe06cfe6ed69c
SSDEEP

3072:VOeQ/4QgHDEGn6R3U23Kc+m+vNR2T+wtkeJleNMnIVzwlxyMBzfSz+RDRn/7Yoi:1XEzk23p9iVwtTkMnJlwMBzfhxh/7e

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
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1120 3816 WerFault.exe d671b17afb9e245e629823dccd61d78257df00834fb2b1fa9431c6439c62fd45.exe

pid	pid_target	process	target process
1120	3816	WerFault.exe	d671b17afb9e245e629823dccd61d78257df00834fb2b1fa9431c6439c62fd45.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:

d671b17afb9e245e629823dccd61d78257df00834fb2b1fa9431c6439c62fd45.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d671b17afb9e245e629823dccd61d78257df00834fb2b1fa9431c6439c62fd45.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d671b17afb9e245e629823dccd61d78257df00834fb2b1fa9431c6439c62fd45.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	d671b17afb9e245e629823dccd61d78257df00834fb2b1fa9431c6439c62fd45.exe

C:\Users\Admin\AppData\Local\Temp\d671b17afb9e245e629823dccd61d78257df00834fb2b1fa9431c6439c62fd45.exe
"C:\Users\Admin\AppData\Local\Temp\d671b17afb9e245e629823dccd61d78257df00834fb2b1fa9431c6439c62fd45.exe"
1⤵
- Checks SCSI registry key(s)
PID:3816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3816 -s 360
2⤵
- Program crash
PID:1120

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3816 -ip 3816
1⤵
PID:2796

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/3816-1-0x0000000002E10000-0x0000000002F10000-memory.dmp

Filesize
1024KB

Download
memory/3816-2-0x0000000002E00000-0x0000000002E0B000-memory.dmp

Filesize
44KB

Download
memory/3816-3-0x0000000000400000-0x0000000002D28000-memory.dmp

Filesize
41.2MB

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