smokeloader | ea47678ab51ce9be2dcff613ef719577e61e70d90ace3765f1f37f607498d163

Analysis

max time kernel
122s
max time network
130s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-11-2024 19:56

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General

Target

cf97c18ec20c079266cb88e42320bfee2df94f4f0d224181a48e835243fe12ec.exe
Size

186KB
MD5

5069f44cd093801cf03bd898c9b48e96
SHA1

4ea17220deb555993077bf8db36304d178a14d60
SHA256

cf97c18ec20c079266cb88e42320bfee2df94f4f0d224181a48e835243fe12ec
SHA512

f272aa7fcca9032bfdb799109abac392514f18c4a79c14faa79f1c8a50ccd2016d82e490f4f6e1e2ff1185d364fc45a510349cd953af0820a93b6ee8193da453
SSDEEP

3072:2spCWmbe2lVWkrn5bVV0L8VelAPsa30iAC7e5wRP/nt:2sWL/H2AUa30iAC4wRnnt

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

2772 2668 WerFault.exe cf97c18ec20c079266cb88e42320bfee2df94f4f0d224181a48e835243fe12ec.exe

pid	pid_target	process	target process
2772	2668	WerFault.exe	cf97c18ec20c079266cb88e42320bfee2df94f4f0d224181a48e835243fe12ec.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:

cf97c18ec20c079266cb88e42320bfee2df94f4f0d224181a48e835243fe12ec.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cf97c18ec20c079266cb88e42320bfee2df94f4f0d224181a48e835243fe12ec.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

cf97c18ec20c079266cb88e42320bfee2df94f4f0d224181a48e835243fe12ec.exe

description	pid	process	target process
PID 2668 wrote to memory of 2772	2668	cf97c18ec20c079266cb88e42320bfee2df94f4f0d224181a48e835243fe12ec.exe	WerFault.exe
PID 2668 wrote to memory of 2772	2668	cf97c18ec20c079266cb88e42320bfee2df94f4f0d224181a48e835243fe12ec.exe	WerFault.exe
PID 2668 wrote to memory of 2772	2668	cf97c18ec20c079266cb88e42320bfee2df94f4f0d224181a48e835243fe12ec.exe	WerFault.exe
PID 2668 wrote to memory of 2772	2668	cf97c18ec20c079266cb88e42320bfee2df94f4f0d224181a48e835243fe12ec.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\cf97c18ec20c079266cb88e42320bfee2df94f4f0d224181a48e835243fe12ec.exe
"C:\Users\Admin\AppData\Local\Temp\cf97c18ec20c079266cb88e42320bfee2df94f4f0d224181a48e835243fe12ec.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2668 -s 136
  2⤵
  - Program crash
  PID:2772

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/2668-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/2668-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2668-3-0x0000000000400000-0x0000000000594000-memory.dmp

Filesize
1.6MB

Download