smokeloader | f691d08d4d08a092f52d63eb5a5fce0cbdeeaa042c18282c73ac5ebb627c25d3

Analysis

max time kernel
93s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02-09-2024 06:01

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General

Target

a4bc249dc997df25a0e709eee0a0df87.exe
Size

403KB
MD5

a4bc249dc997df25a0e709eee0a0df87
SHA1

d4bd3dcc3c5c1bed477f3eccbf1561b4c4f9180b
SHA256

f691d08d4d08a092f52d63eb5a5fce0cbdeeaa042c18282c73ac5ebb627c25d3
SHA512

e4c12400284ea1b11c13b85c19aaf41569c40be1519adbb2d388ae1ddbb06caa7ba08898f42ce0de19640769418267908c1282c734164b3714b40541c18cce36
SSDEEP

6144:k2Lh2Mw6FnhZ+ObiTteTqeN1qRU1WG0S2IcNPk:kSh2JYnhoObK4MUCXi

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
1704	4440	WerFault.exe	82

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	a4bc249dc997df25a0e709eee0a0df87.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	a4bc249dc997df25a0e709eee0a0df87.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a4bc249dc997df25a0e709eee0a0df87.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	a4bc249dc997df25a0e709eee0a0df87.exe

C:\Users\Admin\AppData\Local\Temp\a4bc249dc997df25a0e709eee0a0df87.exe
"C:\Users\Admin\AppData\Local\Temp\a4bc249dc997df25a0e709eee0a0df87.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4440
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4440 -s 352
  2⤵
  - Program crash
  PID:1704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4440 -ip 4440
1⤵
PID:2412

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/4440-3-0x0000000000400000-0x00000000005F7000-memory.dmp

Filesize
2.0MB

Download
memory/4440-2-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4440-1-0x00000000007A0000-0x00000000008A0000-memory.dmp

Filesize
1024KB

Download
memory/4440-4-0x0000000000400000-0x00000000005F7000-memory.dmp

Filesize
2.0MB

Download
memory/4440-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download