smokeloader | 239146a726ae9502565a81171e631f7d195a8dc4e3383925b744bb99ff370ead

Analysis

max time kernel
140s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
01-09-2024 13:51

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General

Target

6ab7801a80f78c2586d0bd611807f3f8229300a32efc7b6793d7b2a8d1d28371.exe
Size

338KB
MD5

e26b4f39f4c64f8f9b4d1d607c1d4450
SHA1

16d757a87e2d47938cb176465934c3f576929713
SHA256

6ab7801a80f78c2586d0bd611807f3f8229300a32efc7b6793d7b2a8d1d28371
SHA512

80d5ca1afcf515ad4e41e12f5bf39b2a2a58d590bd3e1f3a4814794a7a9c6da9af5a1df77e67c82f74e77f0feeb5b6731ec7d2b7772a2a019c523dc362973cc6
SSDEEP

6144:/hw/KB4AbHmVbIrUgGmvmM+tAVnMPGuZSgDy:s2GtIrUsvGt2nMPGuod

Score

10^/10

smokeloader pub3 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2092	2520	WerFault.exe	29

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	6ab7801a80f78c2586d0bd611807f3f8229300a32efc7b6793d7b2a8d1d28371.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2092	2520	6ab7801a80f78c2586d0bd611807f3f8229300a32efc7b6793d7b2a8d1d28371.exe	30
PID 2520 wrote to memory of 2092	2520	6ab7801a80f78c2586d0bd611807f3f8229300a32efc7b6793d7b2a8d1d28371.exe	30
PID 2520 wrote to memory of 2092	2520	6ab7801a80f78c2586d0bd611807f3f8229300a32efc7b6793d7b2a8d1d28371.exe	30
PID 2520 wrote to memory of 2092	2520	6ab7801a80f78c2586d0bd611807f3f8229300a32efc7b6793d7b2a8d1d28371.exe	30

C:\Users\Admin\AppData\Local\Temp\6ab7801a80f78c2586d0bd611807f3f8229300a32efc7b6793d7b2a8d1d28371.exe
"C:\Users\Admin\AppData\Local\Temp\6ab7801a80f78c2586d0bd611807f3f8229300a32efc7b6793d7b2a8d1d28371.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2520 -s 136
  2⤵
  - Program crash
  PID:2092

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/2520-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/2520-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2520-3-0x0000000000400000-0x00000000016C8000-memory.dmp

Filesize
18.8MB

Download
memory/2520-4-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download