smokeloader | 71dcb20f11e4c812a9e570965a7543d2bab944b23f56242d35025151a71d7702

Analysis

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

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
11-11-2024 04:22

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General

Target

71dcb20f11e4c812a9e570965a7543d2bab944b23f56242d35025151a71d7702.exe
Size

200KB
MD5

ba272034be5b49d44f1094d5bfa58357
SHA1

b4d0d229548a2537775d9f210afb079e361d2c25
SHA256

71dcb20f11e4c812a9e570965a7543d2bab944b23f56242d35025151a71d7702
SHA512

d038adea4a3d00f0cf3503a3b0b34bd5878932b7c32974a9bcf4089889cc13ddecbc4bd86a8971cd7e005d8aa6c3d6df2b39ca2b57e1105e7f2b0cb9787d6879
SSDEEP

3072:nBN2ZG53LTE+EOMcz5GZtzNGVxQ+tICqHbNt08wwayhR:B1Lg/OMcYZ8tICuX0Y

Score

10^/10

smokeloader 2023 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

2023

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
2264	1820	WerFault.exe	27

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	71dcb20f11e4c812a9e570965a7543d2bab944b23f56242d35025151a71d7702.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 2264	1820	71dcb20f11e4c812a9e570965a7543d2bab944b23f56242d35025151a71d7702.exe	28
PID 1820 wrote to memory of 2264	1820	71dcb20f11e4c812a9e570965a7543d2bab944b23f56242d35025151a71d7702.exe	28
PID 1820 wrote to memory of 2264	1820	71dcb20f11e4c812a9e570965a7543d2bab944b23f56242d35025151a71d7702.exe	28
PID 1820 wrote to memory of 2264	1820	71dcb20f11e4c812a9e570965a7543d2bab944b23f56242d35025151a71d7702.exe	28

C:\Users\Admin\AppData\Local\Temp\71dcb20f11e4c812a9e570965a7543d2bab944b23f56242d35025151a71d7702.exe
"C:\Users\Admin\AppData\Local\Temp\71dcb20f11e4c812a9e570965a7543d2bab944b23f56242d35025151a71d7702.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1820 -s 136
  2⤵
  - Program crash
  PID:2264

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/1820-1-0x0000000002C20000-0x0000000002D20000-memory.dmp

Filesize
1024KB

Download
memory/1820-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

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memory/1820-3-0x0000000000400000-0x0000000002B9D000-memory.dmp

Filesize
39.6MB

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