smokeloader | 61aed1e7529ff1e38f0d19f41c97603ad424dff959938aee0a09084c56697071

Analysis

max time kernel
92s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
14-05-2024 07:42

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General

Target

61aed1e7529ff1e38f0d19f41c97603ad424dff959938aee0a09084c56697071.exe
Size

231KB
MD5

f547ea6ded0e3c24356962169ea30d44
SHA1

f7a006f612fbe51e2ee837a9eea6711767601743
SHA256

61aed1e7529ff1e38f0d19f41c97603ad424dff959938aee0a09084c56697071
SHA512

61f01558151a293fa35b67057f796e0094751c43cd7fc54661172c09e1e8e12912af2c890a6863191e4219a79f20577243c2a79de9385defad6dffd4642025b1
SSDEEP

3072:YU6vPyZArvKM2SVQI5xQFW+BmmcANIf3gus7qHVrxUYvh6C27PuscL1UMhs:aSF+zUFWmQwus4NUYpifWJ

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

752 3884 WerFault.exe 61aed1e7529ff1e38f0d19f41c97603ad424dff959938aee0a09084c56697071.exe

pid	pid_target	process	target process
752	3884	WerFault.exe	61aed1e7529ff1e38f0d19f41c97603ad424dff959938aee0a09084c56697071.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:

61aed1e7529ff1e38f0d19f41c97603ad424dff959938aee0a09084c56697071.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	61aed1e7529ff1e38f0d19f41c97603ad424dff959938aee0a09084c56697071.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	61aed1e7529ff1e38f0d19f41c97603ad424dff959938aee0a09084c56697071.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	61aed1e7529ff1e38f0d19f41c97603ad424dff959938aee0a09084c56697071.exe

C:\Users\Admin\AppData\Local\Temp\61aed1e7529ff1e38f0d19f41c97603ad424dff959938aee0a09084c56697071.exe
"C:\Users\Admin\AppData\Local\Temp\61aed1e7529ff1e38f0d19f41c97603ad424dff959938aee0a09084c56697071.exe"
1⤵
- Checks SCSI registry key(s)
PID:3884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3884 -s 352
2⤵
- Program crash
PID:752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3884 -ip 3884
1⤵
PID:5044

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

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Downloads

memory/3884-1-0x0000000000B20000-0x0000000000C20000-memory.dmp

Filesize
1024KB

Download
memory/3884-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3884-2-0x00000000008E0000-0x00000000008EB000-memory.dmp

Filesize
44KB

Download
memory/3884-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3884-4-0x0000000000400000-0x0000000000790000-memory.dmp

Filesize
3.6MB

Download