smokeloader | e54f1471b23475f1a06781918916f76d529be9e4577c71e4e26c6e37a9bf6310

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
08-11-2024 21:36

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General

Target

a49103ea829c909f7c0d3ae4e17a4c5fc0aefebf.exe
Size

277KB
MD5

0c03d468a1b99542c5a2ebe78cd0aac9
SHA1

a49103ea829c909f7c0d3ae4e17a4c5fc0aefebf
SHA256

e54f1471b23475f1a06781918916f76d529be9e4577c71e4e26c6e37a9bf6310
SHA512

7db34c6f68bf393681cf446496f80571edb8a154cdb3ddf49741d256de9f487731163b769a68a4f1efb893be84cb2a4aa536fec48b8bcb0ab0abe2cc838e1177
SSDEEP

6144:gVd/aipfYxZCrtywmvu9s8rIpsm3CiCeuicTy9:gz/a4YPotywmvuf0s3iuicG9

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

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2732	2100	WerFault.exe	27

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:

a49103ea829c909f7c0d3ae4e17a4c5fc0aefebf.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a49103ea829c909f7c0d3ae4e17a4c5fc0aefebf.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

a49103ea829c909f7c0d3ae4e17a4c5fc0aefebf.exe

description	pid	Process	procid_target
PID 2100 wrote to memory of 2732	2100	a49103ea829c909f7c0d3ae4e17a4c5fc0aefebf.exe	28
PID 2100 wrote to memory of 2732	2100	a49103ea829c909f7c0d3ae4e17a4c5fc0aefebf.exe	28
PID 2100 wrote to memory of 2732	2100	a49103ea829c909f7c0d3ae4e17a4c5fc0aefebf.exe	28
PID 2100 wrote to memory of 2732	2100	a49103ea829c909f7c0d3ae4e17a4c5fc0aefebf.exe	28

C:\Users\Admin\AppData\Local\Temp\a49103ea829c909f7c0d3ae4e17a4c5fc0aefebf.exe
"C:\Users\Admin\AppData\Local\Temp\a49103ea829c909f7c0d3ae4e17a4c5fc0aefebf.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 136
  2⤵
  - Program crash
  PID:2732

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/2100-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/2100-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2100-3-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download