smokeloader | 36b495ca197f77c984a0fd3e603908c92cb3fa01ceec9c78f4256a0f829b734a

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-11-2024 21:28

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General

Target

36b495ca197f77c984a0fd3e603908c92cb3fa01ceec9c78f4256a0f829b734a.exe
Size

312KB
MD5

4d58c542612e0e59fa907439e400dfa2
SHA1

bb2882a035996ed201275547725fa040cbf356f6
SHA256

36b495ca197f77c984a0fd3e603908c92cb3fa01ceec9c78f4256a0f829b734a
SHA512

bf8781b7fce19796311745cabe94069cefe2f174df2198415dcffcfe0eff23fcd8093d8886976f78de59c2bc8f1d11a016d83296a316a0bca8ca2f2aab59cd70
SSDEEP

3072:aGXTrL97/Fdd95E1UmNXTzWrEuVpPlytiTaeDDWA2I6UR26NdPOK5twsjmRe1+ct:NnL9ZbUnHNgpEtivDdf9dWKQ0ito

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
Smokeloader family
smokeloader

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2360	2448	WerFault.exe	30

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

Processes:

36b495ca197f77c984a0fd3e603908c92cb3fa01ceec9c78f4256a0f829b734a.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	36b495ca197f77c984a0fd3e603908c92cb3fa01ceec9c78f4256a0f829b734a.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

36b495ca197f77c984a0fd3e603908c92cb3fa01ceec9c78f4256a0f829b734a.exe

description	pid	Process	procid_target
PID 2448 wrote to memory of 2360	2448	36b495ca197f77c984a0fd3e603908c92cb3fa01ceec9c78f4256a0f829b734a.exe	31
PID 2448 wrote to memory of 2360	2448	36b495ca197f77c984a0fd3e603908c92cb3fa01ceec9c78f4256a0f829b734a.exe	31
PID 2448 wrote to memory of 2360	2448	36b495ca197f77c984a0fd3e603908c92cb3fa01ceec9c78f4256a0f829b734a.exe	31
PID 2448 wrote to memory of 2360	2448	36b495ca197f77c984a0fd3e603908c92cb3fa01ceec9c78f4256a0f829b734a.exe	31

C:\Users\Admin\AppData\Local\Temp\36b495ca197f77c984a0fd3e603908c92cb3fa01ceec9c78f4256a0f829b734a.exe
"C:\Users\Admin\AppData\Local\Temp\36b495ca197f77c984a0fd3e603908c92cb3fa01ceec9c78f4256a0f829b734a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 136
  2⤵
  - Program crash
  PID:2360

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/2448-1-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2448-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2448-2-0x00000000001B0000-0x00000000001B9000-memory.dmp

Filesize
36KB

Download
memory/2448-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2448-5-0x00000000001B0000-0x00000000001B9000-memory.dmp

Filesize
36KB

Download
memory/2448-4-0x0000000000400000-0x0000000002C40000-memory.dmp

Filesize
40.2MB

Download