smokeloader | 41582c8b6bd111a2f141dee52b619d13278ef68754691263abeb3238d485f404

Analysis

max time kernel
139s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23-08-2024 14:05

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General

Target

41582c8b6bd111a2f141dee52b619d13278ef68754691263abeb3238d485f404.exe
Size

350KB
MD5

d78d85135f584e455f692923d9feb804
SHA1

7bf6d4d00326ecfa3e48644896d3407ab473a9d5
SHA256

41582c8b6bd111a2f141dee52b619d13278ef68754691263abeb3238d485f404
SHA512

1fb4e040511f3bbf8c04459942d1a5915b5f8fe78dd169b932e04dc7ccdb227aee42327a8071136b27a368f2fe8b8b5de3c9187d4b3cc5354cbba0a1d89d26bb
SSDEEP

6144:gSVu917CQaNutVHcaOLnysBBPEDcu4jZ21sK0O:gSE91m7WSasBPu6Z2z

Score

10^/10

smokeloader pub2 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1980	904	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	41582c8b6bd111a2f141dee52b619d13278ef68754691263abeb3238d485f404.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	41582c8b6bd111a2f141dee52b619d13278ef68754691263abeb3238d485f404.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	41582c8b6bd111a2f141dee52b619d13278ef68754691263abeb3238d485f404.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	41582c8b6bd111a2f141dee52b619d13278ef68754691263abeb3238d485f404.exe

C:\Users\Admin\AppData\Local\Temp\41582c8b6bd111a2f141dee52b619d13278ef68754691263abeb3238d485f404.exe
"C:\Users\Admin\AppData\Local\Temp\41582c8b6bd111a2f141dee52b619d13278ef68754691263abeb3238d485f404.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:904
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 904 -s 352
  2⤵
  - Program crash
  PID:1980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 904 -ip 904
1⤵
PID:2128

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/904-1-0x00000000006A0000-0x00000000007A0000-memory.dmp

Filesize
1024KB

Download
memory/904-2-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/904-3-0x0000000000400000-0x00000000005EB000-memory.dmp

Filesize
1.9MB

Download
memory/904-4-0x0000000000400000-0x00000000005EB000-memory.dmp

Filesize
1.9MB

Download
memory/904-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download