smokeloader | ef7b323da7f0a641372fd2248c561c879aa1dfeafa294df4564e5dee6d3b72aa

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
05/11/2024, 01:10

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General

Target

ef7b323da7f0a641372fd2248c561c879aa1dfeafa294df4564e5dee6d3b72aa.exe
Size

163KB
MD5

e1911a77cf7dcaf982420e17f82cf0b3
SHA1

3967cfbef1cfb6c030c00530a4c37a9e188e38e1
SHA256

ef7b323da7f0a641372fd2248c561c879aa1dfeafa294df4564e5dee6d3b72aa
SHA512

fe484c29c7ba02bcbd00a0834192bbe81bc3f1d8c94fb86776e2fd0bbfbc954e3b22b8b0a7841ff9babf7f7118e8c1491a962ad7c04e928fc7233db410d759fc
SSDEEP

3072:+lxsjeGLZ9T+IR+qHEO+lUoG75xtJ/jBfM6oFsmeS4Ucs+:2u1LZ9TRknGF/jBfM6GPem

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
2024	2480	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	ef7b323da7f0a641372fd2248c561c879aa1dfeafa294df4564e5dee6d3b72aa.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 2024	2480	ef7b323da7f0a641372fd2248c561c879aa1dfeafa294df4564e5dee6d3b72aa.exe	30
PID 2480 wrote to memory of 2024	2480	ef7b323da7f0a641372fd2248c561c879aa1dfeafa294df4564e5dee6d3b72aa.exe	30
PID 2480 wrote to memory of 2024	2480	ef7b323da7f0a641372fd2248c561c879aa1dfeafa294df4564e5dee6d3b72aa.exe	30
PID 2480 wrote to memory of 2024	2480	ef7b323da7f0a641372fd2248c561c879aa1dfeafa294df4564e5dee6d3b72aa.exe	30

C:\Users\Admin\AppData\Local\Temp\ef7b323da7f0a641372fd2248c561c879aa1dfeafa294df4564e5dee6d3b72aa.exe
"C:\Users\Admin\AppData\Local\Temp\ef7b323da7f0a641372fd2248c561c879aa1dfeafa294df4564e5dee6d3b72aa.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2480
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2480 -s 136
  2⤵
  - Program crash
  PID:2024

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/2480-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/2480-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2480-3-0x0000000000400000-0x0000000000584000-memory.dmp

Filesize
1.5MB

Download
memory/2480-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download