smokeloader | 7f5905c0739fb02697b5238d0aa769b4bca7dbe778f47d6bbf3c2fca152806e5

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
10-11-2024 12:42

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General

Target

fd23182c7a2c38c46d831d48a03b7a4c9385c04f89032b667d18dc43e144f4f4.exe
Size

173KB
MD5

651f1f3cc80372a6369b6450ede09538
SHA1

b9975e84a0b75115e7216ed65dd15046e0b83a7c
SHA256

fd23182c7a2c38c46d831d48a03b7a4c9385c04f89032b667d18dc43e144f4f4
SHA512

25ac038afd98911e2c034513e69074985b41c396a591cf8f0f9dbe4f94323a8268385dea5949259fcb3b3a2d34111208e1021b549bc8d15fdf00fc6f90394c10
SSDEEP

3072:e0lZFhZiWLGB5NAV/ARAs4+p8mp0TaN0eh1J+vE1VdO:bNLGB5NA5LOpJeTSh1IKV

Score

10^/10

smokeloader oct backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

oct

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 target process

1496 1712 WerFault.exe fd23182c7a2c38c46d831d48a03b7a4c9385c04f89032b667d18dc43e144f4f4.exe

pid	pid_target	process	target process
1496	1712	WerFault.exe	fd23182c7a2c38c46d831d48a03b7a4c9385c04f89032b667d18dc43e144f4f4.exe

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:

fd23182c7a2c38c46d831d48a03b7a4c9385c04f89032b667d18dc43e144f4f4.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fd23182c7a2c38c46d831d48a03b7a4c9385c04f89032b667d18dc43e144f4f4.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

fd23182c7a2c38c46d831d48a03b7a4c9385c04f89032b667d18dc43e144f4f4.exe

description	pid	process	target process
PID 1712 wrote to memory of 1496	1712	fd23182c7a2c38c46d831d48a03b7a4c9385c04f89032b667d18dc43e144f4f4.exe	WerFault.exe
PID 1712 wrote to memory of 1496	1712	fd23182c7a2c38c46d831d48a03b7a4c9385c04f89032b667d18dc43e144f4f4.exe	WerFault.exe
PID 1712 wrote to memory of 1496	1712	fd23182c7a2c38c46d831d48a03b7a4c9385c04f89032b667d18dc43e144f4f4.exe	WerFault.exe
PID 1712 wrote to memory of 1496	1712	fd23182c7a2c38c46d831d48a03b7a4c9385c04f89032b667d18dc43e144f4f4.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\fd23182c7a2c38c46d831d48a03b7a4c9385c04f89032b667d18dc43e144f4f4.exe
"C:\Users\Admin\AppData\Local\Temp\fd23182c7a2c38c46d831d48a03b7a4c9385c04f89032b667d18dc43e144f4f4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1712 -s 136
  2⤵
  - Program crash
  PID:1496

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/1712-1-0x0000000000750000-0x0000000000850000-memory.dmp

Filesize
1024KB

Download
memory/1712-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1712-3-0x0000000000400000-0x0000000000591000-memory.dmp

Filesize
1.6MB

Download