smokeloader | f99f2398692ceea5c6dc7193c5f8b4646d8379dd0eaf810ebc96b9f95e4927b3

Analysis

max time kernel
93s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-01-2025 05:05

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General

Target

f99f2398692ceea5c6dc7193c5f8b4646d8379dd0eaf810ebc96b9f95e4927b3.exe
Size

314KB
MD5

e9133123938cc55db1abb94d4249485e
SHA1

a46a5985fc552964571801a98f9a2aa7d8a85e72
SHA256

f99f2398692ceea5c6dc7193c5f8b4646d8379dd0eaf810ebc96b9f95e4927b3
SHA512

c325d0d939aa23795e82791062a6bfd7005b7e17866aae2e479203988f79b5a2fcd65913f6322768c7421abb4b08eee561fcdaf3b39403370c7362388c491b37
SSDEEP

6144:dC+crrLdBTznjrbFloOHKBNpfYeFY2DqnsvQWKz:dC+cPxBTjXbFPHKBNpfYeF5msI

Score

10^/10

smokeloader pub4 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub4

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
4964	5088	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	f99f2398692ceea5c6dc7193c5f8b4646d8379dd0eaf810ebc96b9f95e4927b3.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	f99f2398692ceea5c6dc7193c5f8b4646d8379dd0eaf810ebc96b9f95e4927b3.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f99f2398692ceea5c6dc7193c5f8b4646d8379dd0eaf810ebc96b9f95e4927b3.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f99f2398692ceea5c6dc7193c5f8b4646d8379dd0eaf810ebc96b9f95e4927b3.exe

C:\Users\Admin\AppData\Local\Temp\f99f2398692ceea5c6dc7193c5f8b4646d8379dd0eaf810ebc96b9f95e4927b3.exe
"C:\Users\Admin\AppData\Local\Temp\f99f2398692ceea5c6dc7193c5f8b4646d8379dd0eaf810ebc96b9f95e4927b3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:5088
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5088 -s 352
  2⤵
  - Program crash
  PID:4964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 5088 -ip 5088
1⤵
PID:8

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

Replay Monitor

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Downloads

memory/5088-0-0x00000000001C0000-0x00000000001EC000-memory.dmp

Filesize
176KB

Download
memory/5088-1-0x0000000000560000-0x000000000056B000-memory.dmp

Filesize
44KB

Download
memory/5088-2-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5088-3-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5088-4-0x00000000001C0000-0x00000000001EC000-memory.dmp

Filesize
176KB

Download
memory/5088-5-0x0000000000560000-0x000000000056B000-memory.dmp

Filesize
44KB

Download
memory/5088-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download