smokeloader | 31b89b184bdcc08f12d76afec9f0a4032ab4ebb3dacebe5a46d92eafb54b1d8d

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
05/11/2024, 18:45

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General

Target

31b89b184bdcc08f12d76afec9f0a4032ab4ebb3dacebe5a46d92eafb54b1d8d.exe
Size

274KB
MD5

d5fadc659eae5f55e59094a6f5f47098
SHA1

af47794b004318058d7ef234738ad3622797d051
SHA256

31b89b184bdcc08f12d76afec9f0a4032ab4ebb3dacebe5a46d92eafb54b1d8d
SHA512

a36edb58a4b31abd653937d63610377643a91f382fa0569f0d21afa3089eff19440f494cd47c060b0a6e9185157d0fd0d58b74b88115b72c7fe7842f99241a32
SSDEEP

6144:ccmD9p3DeLAJWeuBIJ35g+9GvPHnwzZtI7:fmDDeLAJV2IJ5pYPHnwzM7

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

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
2528	2384	WerFault.exe	29

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	31b89b184bdcc08f12d76afec9f0a4032ab4ebb3dacebe5a46d92eafb54b1d8d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2528	2384	31b89b184bdcc08f12d76afec9f0a4032ab4ebb3dacebe5a46d92eafb54b1d8d.exe	30
PID 2384 wrote to memory of 2528	2384	31b89b184bdcc08f12d76afec9f0a4032ab4ebb3dacebe5a46d92eafb54b1d8d.exe	30
PID 2384 wrote to memory of 2528	2384	31b89b184bdcc08f12d76afec9f0a4032ab4ebb3dacebe5a46d92eafb54b1d8d.exe	30
PID 2384 wrote to memory of 2528	2384	31b89b184bdcc08f12d76afec9f0a4032ab4ebb3dacebe5a46d92eafb54b1d8d.exe	30

C:\Users\Admin\AppData\Local\Temp\31b89b184bdcc08f12d76afec9f0a4032ab4ebb3dacebe5a46d92eafb54b1d8d.exe
"C:\Users\Admin\AppData\Local\Temp\31b89b184bdcc08f12d76afec9f0a4032ab4ebb3dacebe5a46d92eafb54b1d8d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 136
  2⤵
  - Program crash
  PID:2528

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

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Downloads

memory/2384-1-0x0000000002D70000-0x0000000002E70000-memory.dmp

Filesize
1024KB

Download
memory/2384-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2384-3-0x0000000000400000-0x0000000002C43000-memory.dmp

Filesize
40.3MB

Download