smokeloader | 4da76547d7081b68f3af83c77a5c75b2ff3f0691d7c58aca34632ff2ecd1e98c

Analysis

max time kernel
93s
max time network
113s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17-04-2024 15:37

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General

Target

4da76547d7081b68f3af83c77a5c75b2ff3f0691d7c58aca34632ff2ecd1e98c.exe
Size

307KB
MD5

a11d2533c5dd2b17161fc2eea2ba1bef
SHA1

f7f42c054b83cb0cc3bb0a54a75195f920d9ced8
SHA256

4da76547d7081b68f3af83c77a5c75b2ff3f0691d7c58aca34632ff2ecd1e98c
SHA512

0053214e42b72365bd435ab8f35e4ddc8774c347dfa57d90c9f49c81b23dd1178f0a77b0facb0cce0d29b67b33eb7243a5c7c4f267274374e095a47f4a301a0b
SSDEEP

3072:PAeYeaG3VkbDb3fUv+3lSYS+gPdNoMDBNxCkV8lhFna/c2Soqv9m:P0NbFVrSndyNFa/c2SHl

Score

10^/10

smokeloader pub1 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

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

4000 4808 WerFault.exe 4da76547d7081b68f3af83c77a5c75b2ff3f0691d7c58aca34632ff2ecd1e98c.exe

pid	pid_target	process	target process
4000	4808	WerFault.exe	4da76547d7081b68f3af83c77a5c75b2ff3f0691d7c58aca34632ff2ecd1e98c.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:

4da76547d7081b68f3af83c77a5c75b2ff3f0691d7c58aca34632ff2ecd1e98c.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4da76547d7081b68f3af83c77a5c75b2ff3f0691d7c58aca34632ff2ecd1e98c.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4da76547d7081b68f3af83c77a5c75b2ff3f0691d7c58aca34632ff2ecd1e98c.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4da76547d7081b68f3af83c77a5c75b2ff3f0691d7c58aca34632ff2ecd1e98c.exe

C:\Users\Admin\AppData\Local\Temp\4da76547d7081b68f3af83c77a5c75b2ff3f0691d7c58aca34632ff2ecd1e98c.exe
"C:\Users\Admin\AppData\Local\Temp\4da76547d7081b68f3af83c77a5c75b2ff3f0691d7c58aca34632ff2ecd1e98c.exe"
1⤵
- Checks SCSI registry key(s)
PID:4808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4808 -s 508
2⤵
- Program crash
PID:4000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4808 -ip 4808
1⤵
PID:4280

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/4808-1-0x0000000002E80000-0x0000000002F80000-memory.dmp

Filesize
1024KB

Download
memory/4808-2-0x0000000004930000-0x000000000493B000-memory.dmp

Filesize
44KB

Download
memory/4808-3-0x0000000000400000-0x0000000002D2B000-memory.dmp

Filesize
41.2MB

Download
memory/4808-4-0x0000000000400000-0x0000000002D2B000-memory.dmp

Filesize
41.2MB

Download