smokeloader | 82d99b840ac392300eb572ed71f77b62278361bce95488e24b0f53de4d67ad8c

Analysis

max time kernel
94s
max time network
124s
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 02:17

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General

Target

82d99b840ac392300eb572ed71f77b62278361bce95488e24b0f53de4d67ad8c.exe
Size

208KB
MD5

4f132cd93fe858362c4feb4d4effd90a
SHA1

6227cb221e604ec4d9c0e00a2d0ced0fb14a23fc
SHA256

82d99b840ac392300eb572ed71f77b62278361bce95488e24b0f53de4d67ad8c
SHA512

8dffd1a9fb21bae9bbf0153887d60e20fbcab86452e654e4ed2b66a993f91af48e520751bcd3535949e37eb4976aec057bb1710b27f610ef40d96d71100ffc68
SSDEEP

3072:+XSI/Bv48I9DWF/VLVqY81GcPE5EZRrBLrcJ7itM:+XcX9DWB1ZtarFgJ

Score

10^/10

smokeloader pub1 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1780	3840	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	82d99b840ac392300eb572ed71f77b62278361bce95488e24b0f53de4d67ad8c.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 enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	82d99b840ac392300eb572ed71f77b62278361bce95488e24b0f53de4d67ad8c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	82d99b840ac392300eb572ed71f77b62278361bce95488e24b0f53de4d67ad8c.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	82d99b840ac392300eb572ed71f77b62278361bce95488e24b0f53de4d67ad8c.exe

C:\Users\Admin\AppData\Local\Temp\82d99b840ac392300eb572ed71f77b62278361bce95488e24b0f53de4d67ad8c.exe
"C:\Users\Admin\AppData\Local\Temp\82d99b840ac392300eb572ed71f77b62278361bce95488e24b0f53de4d67ad8c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:3840
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3840 -s 352
  2⤵
  - Program crash
  PID:1780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3840 -ip 3840
1⤵
PID:4380

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/3840-1-0x0000000000730000-0x0000000000830000-memory.dmp

Filesize
1024KB

Download
memory/3840-2-0x00000000006D0000-0x00000000006DB000-memory.dmp

Filesize
44KB

Download
memory/3840-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3840-4-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3840-5-0x00000000006D0000-0x00000000006DB000-memory.dmp

Filesize
44KB

Download
memory/3840-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download