smokeloader | b59e52b83b0a0cde0085b3ba306316a86a845a974cbeaf45da905476b6db53bb

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
21-06-2024 18:04

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General

Target

b59e52b83b0a0cde0085b3ba306316a86a845a974cbeaf45da905476b6db53bb.exe
Size

239KB
MD5

e0a475f2ac0e9c3dad905d8ce84f62cb
SHA1

6b789faafed3e4e2d318c9ec9300f9ba3c865374
SHA256

b59e52b83b0a0cde0085b3ba306316a86a845a974cbeaf45da905476b6db53bb
SHA512

a23d30a9fc9d2560fe37b6d9ab334576e956412ca7841f63f051a54aa77a4e3bcf6b1b5e4e28304b06fde02028b20c6ff1297f750c4735281168164d3397cf46
SSDEEP

3072:wiPU1EqslJWmOppnTiT6q5I6+vLXmdXSXxw14UUXmNXMQrF9aH3W:M1E/lJo1TiTDGdvLXcXSh7NEbc

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

1860 3540 WerFault.exe b59e52b83b0a0cde0085b3ba306316a86a845a974cbeaf45da905476b6db53bb.exe

pid	pid_target	process	target process
1860	3540	WerFault.exe	b59e52b83b0a0cde0085b3ba306316a86a845a974cbeaf45da905476b6db53bb.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:

b59e52b83b0a0cde0085b3ba306316a86a845a974cbeaf45da905476b6db53bb.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b59e52b83b0a0cde0085b3ba306316a86a845a974cbeaf45da905476b6db53bb.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b59e52b83b0a0cde0085b3ba306316a86a845a974cbeaf45da905476b6db53bb.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b59e52b83b0a0cde0085b3ba306316a86a845a974cbeaf45da905476b6db53bb.exe

C:\Users\Admin\AppData\Local\Temp\b59e52b83b0a0cde0085b3ba306316a86a845a974cbeaf45da905476b6db53bb.exe
"C:\Users\Admin\AppData\Local\Temp\b59e52b83b0a0cde0085b3ba306316a86a845a974cbeaf45da905476b6db53bb.exe"
1⤵
- Checks SCSI registry key(s)
PID:3540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3540 -s 352
2⤵
- Program crash
PID:1860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3540 -ip 3540
1⤵
PID:4212

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/3540-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3540-2-0x00000000005B0000-0x00000000005BB000-memory.dmp

Filesize
44KB

Download
memory/3540-1-0x0000000000630000-0x0000000000730000-memory.dmp

Filesize
1024KB

Download
memory/3540-4-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download