smokeloader | 2d5f679ad44a8e32942c31751b87a833faf3fdaf3a16aab3f400e3bd900b5fa8

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-11-2024 15:56

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General

Target

5cd007299d861abf099e7868433eefd6952a1c35.exe
Size

243KB
MD5

79990cfc7277e9c5fdd1a6cd2f640fbc
SHA1

5cd007299d861abf099e7868433eefd6952a1c35
SHA256

2d5f679ad44a8e32942c31751b87a833faf3fdaf3a16aab3f400e3bd900b5fa8
SHA512

749c3b7ea38ddc45fb08471c020fea52d3a6ddbf9b4d28e995d3a924e8e3392f229bdf9ed161b872d5fe0759f4132b04ba08158867f8d6dd09e3a8ac197131b7
SSDEEP

3072:RXCSc5SO9LZPOSgUVD5LAWh4Xrz84Ccbe91LFrD8iXcyOI5H/IPRQSb:1T+VLbgUV1AWh4X84YTFf8iMm+R5

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
2772	816	WerFault.exe	30

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:

5cd007299d861abf099e7868433eefd6952a1c35.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5cd007299d861abf099e7868433eefd6952a1c35.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

5cd007299d861abf099e7868433eefd6952a1c35.exe

description	pid	Process	procid_target
PID 816 wrote to memory of 2772	816	5cd007299d861abf099e7868433eefd6952a1c35.exe	31
PID 816 wrote to memory of 2772	816	5cd007299d861abf099e7868433eefd6952a1c35.exe	31
PID 816 wrote to memory of 2772	816	5cd007299d861abf099e7868433eefd6952a1c35.exe	31
PID 816 wrote to memory of 2772	816	5cd007299d861abf099e7868433eefd6952a1c35.exe	31

C:\Users\Admin\AppData\Local\Temp\5cd007299d861abf099e7868433eefd6952a1c35.exe
"C:\Users\Admin\AppData\Local\Temp\5cd007299d861abf099e7868433eefd6952a1c35.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:816
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 816 -s 140
  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

Replay Monitor

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Downloads

memory/816-2-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/816-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/816-1-0x0000000002D10000-0x0000000002E10000-memory.dmp

Filesize
1024KB

Download
memory/816-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/816-4-0x0000000000400000-0x0000000002C2A000-memory.dmp

Filesize
40.2MB

Download