smokeloader | 482cec535f1a74576da6523ee7a4fd78bb1e8b38dfa2613c505814da109c1008

Analysis

max time kernel
92s
max time network
98s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
01-05-2024 19:16

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General

Target

482cec535f1a74576da6523ee7a4fd78bb1e8b38dfa2613c505814da109c1008.exe
Size

259KB
MD5

4e911e8823edbd397ad29edcc9071e0f
SHA1

d8edee0de4ef0320076814a6d52ab483699f1958
SHA256

482cec535f1a74576da6523ee7a4fd78bb1e8b38dfa2613c505814da109c1008
SHA512

03c60889df856f31d9a95e43e230e35786c196fb660af4595fcf3f0b33fe235cab8c8634a5aab2f238cbd07bde61ed8439faa9f3691e3655ae44ae09a1a4afe6
SSDEEP

1536:u6oOn7mrf6c3rF6/f2kKlbHBbl8pIdYj/qn7O5LAvV5h3wdg5WzwO9xhhVEB0M0l:uvxF9bfUKg5LeEi5WzZhhVNMNg1fd

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

1764 2740 WerFault.exe 482cec535f1a74576da6523ee7a4fd78bb1e8b38dfa2613c505814da109c1008.exe

pid	pid_target	process	target process
1764	2740	WerFault.exe	482cec535f1a74576da6523ee7a4fd78bb1e8b38dfa2613c505814da109c1008.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:

482cec535f1a74576da6523ee7a4fd78bb1e8b38dfa2613c505814da109c1008.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	482cec535f1a74576da6523ee7a4fd78bb1e8b38dfa2613c505814da109c1008.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	482cec535f1a74576da6523ee7a4fd78bb1e8b38dfa2613c505814da109c1008.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	482cec535f1a74576da6523ee7a4fd78bb1e8b38dfa2613c505814da109c1008.exe

C:\Users\Admin\AppData\Local\Temp\482cec535f1a74576da6523ee7a4fd78bb1e8b38dfa2613c505814da109c1008.exe
"C:\Users\Admin\AppData\Local\Temp\482cec535f1a74576da6523ee7a4fd78bb1e8b38dfa2613c505814da109c1008.exe"
1⤵
- Checks SCSI registry key(s)
PID:2740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 384
2⤵
- Program crash
PID:1764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2740 -ip 2740
1⤵
PID:2424

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

memory/2740-1-0x0000000002BE0000-0x0000000002CE0000-memory.dmp

Filesize
1024KB

Download
memory/2740-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2740-2-0x0000000003060000-0x000000000306B000-memory.dmp

Filesize
44KB

Download
memory/2740-4-0x0000000000400000-0x0000000002AFF000-memory.dmp

Filesize
39.0MB

Download