smokeloader | db6223092b0ba706ba677776699ca41f6b721b03a01592ec73c193492ac4f896

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
02-11-2024 15:00

Target

3016-4-0x0000000000400000-0x000000000040B000-memory.exe
Size

44KB
MD5

b7d5f61c353f7645e3e1e1727dcf02dd
SHA1

9bb4bb289225c701c8a615a3be99d343bccfe61a
SHA256

db6223092b0ba706ba677776699ca41f6b721b03a01592ec73c193492ac4f896
SHA512

9a3a71eaca12d1c995bc3711aad1011d0488675c6bb2101298a870d1c38c7d5ab75f846a189c7618d435cfd8fd8f6361b54f42bbe8cf2e62b1ad89f1c5ce551b
SSDEEP

768:LaFq5EYwDNuZNe3moyGali+xD1Ux+v/RN:LaEzwUXCXyRJxw6j

Score

10^/10

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

3068 2596 WerFault.exe 3016-4-0x0000000000400000-0x000000000040B000-memory.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:

3016-4-0x0000000000400000-0x000000000040B000-memory.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3016-4-0x0000000000400000-0x000000000040B000-memory.exe

pid	pid_target	process	target process
3068	2596	WerFault.exe	3016-4-0x0000000000400000-0x000000000040B000-memory.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3016-4-0x0000000000400000-0x000000000040B000-memory.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

3016-4-0x0000000000400000-0x000000000040B000-memory.exe

description	pid	process	target process
PID 2596 wrote to memory of 3068	2596	3016-4-0x0000000000400000-0x000000000040B000-memory.exe	WerFault.exe
PID 2596 wrote to memory of 3068	2596	3016-4-0x0000000000400000-0x000000000040B000-memory.exe	WerFault.exe
PID 2596 wrote to memory of 3068	2596	3016-4-0x0000000000400000-0x000000000040B000-memory.exe	WerFault.exe
PID 2596 wrote to memory of 3068	2596	3016-4-0x0000000000400000-0x000000000040B000-memory.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\3016-4-0x0000000000400000-0x000000000040B000-memory.exe
"C:\Users\Admin\AppData\Local\Temp\3016-4-0x0000000000400000-0x000000000040B000-memory.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2596 -s 36
  2⤵
  - Program crash
  PID:3068

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/2596-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

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