smokeloader | f2b4fea50fa8d1a6f4f49a09350844f1c5a004a9ee72e265b0b9dd30ad0323bd

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-12-2024 13:50

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General

Target

f2b4fea50fa8d1a6f4f49a09350844f1c5a004a9ee72e265b0b9dd30ad0323bd.exe
Size

329KB
MD5

808ccac43fb046256c8cb3abac25c97b
SHA1

341e943e61eaab26abecbbf2eba8b4c35340475f
SHA256

f2b4fea50fa8d1a6f4f49a09350844f1c5a004a9ee72e265b0b9dd30ad0323bd
SHA512

7459da8592415a1859d4e7f662c476669c6d55c59d98faeec0ff252278127091e708c3901ad94b4b7cbd947883d2abea7d677f4cb39b75c6bb2a80425745c14b
SSDEEP

6144:O2tU+e6ikVX299DO8yojdygjO+A3hVVPE+O1voXcb:txe65X2/DO8yojdyyAxDO

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
Smokeloader family
smokeloader

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4724	4584	WerFault.exe	81

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	f2b4fea50fa8d1a6f4f49a09350844f1c5a004a9ee72e265b0b9dd30ad0323bd.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 queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f2b4fea50fa8d1a6f4f49a09350844f1c5a004a9ee72e265b0b9dd30ad0323bd.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f2b4fea50fa8d1a6f4f49a09350844f1c5a004a9ee72e265b0b9dd30ad0323bd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f2b4fea50fa8d1a6f4f49a09350844f1c5a004a9ee72e265b0b9dd30ad0323bd.exe

C:\Users\Admin\AppData\Local\Temp\f2b4fea50fa8d1a6f4f49a09350844f1c5a004a9ee72e265b0b9dd30ad0323bd.exe
"C:\Users\Admin\AppData\Local\Temp\f2b4fea50fa8d1a6f4f49a09350844f1c5a004a9ee72e265b0b9dd30ad0323bd.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4584
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4584 -s 352
  2⤵
  - Program crash
  PID:4724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4584 -ip 4584
1⤵
PID:4836

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/4584-1-0x0000000000920000-0x0000000000A20000-memory.dmp

Filesize
1024KB

Download
memory/4584-2-0x00000000001C0000-0x00000000001C9000-memory.dmp

Filesize
36KB

Download
memory/4584-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4584-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4584-5-0x00000000001C0000-0x00000000001C9000-memory.dmp

Filesize
36KB

Download
memory/4584-4-0x0000000000400000-0x0000000000855000-memory.dmp

Filesize
4.3MB

Download