smokeloader | 3682abb0448a060de759c8d42c157d562c801007bd9adb826df0b9cfa404345a

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-11-2024 09:08

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General

Target

55bb098f69061c1addc88a6b259ea2e2c2648c1c2beeaba21079cc465a9ddbe2.exe
Size

217KB
MD5

b71c28a6e77add43758eda3512216036
SHA1

56f231a7ae561962aae1871c099d2cf2c1d543d7
SHA256

55bb098f69061c1addc88a6b259ea2e2c2648c1c2beeaba21079cc465a9ddbe2
SHA512

682eeeab128eb559713956192349b8e59120c6859ca85e5e14f3bcbb1a6477421ce225d90784f85f4ff3fd078580585cf291e81d46a4b567d437648f0e5094e0
SSDEEP

3072:OsKK4G5Pawhm/kLoXLmJXdbBn1W61VX1j5LZ2xOBGqeL6mY3EWeQmGpdDx:OsbSwQMLZ1WGVXAxOBGqeLJ4gD6dD

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 target process

2888 3028 WerFault.exe 55bb098f69061c1addc88a6b259ea2e2c2648c1c2beeaba21079cc465a9ddbe2.exe

pid	pid_target	process	target process
2888	3028	WerFault.exe	55bb098f69061c1addc88a6b259ea2e2c2648c1c2beeaba21079cc465a9ddbe2.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:

55bb098f69061c1addc88a6b259ea2e2c2648c1c2beeaba21079cc465a9ddbe2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	55bb098f69061c1addc88a6b259ea2e2c2648c1c2beeaba21079cc465a9ddbe2.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

55bb098f69061c1addc88a6b259ea2e2c2648c1c2beeaba21079cc465a9ddbe2.exe

description	pid	process	target process
PID 3028 wrote to memory of 2888	3028	55bb098f69061c1addc88a6b259ea2e2c2648c1c2beeaba21079cc465a9ddbe2.exe	WerFault.exe
PID 3028 wrote to memory of 2888	3028	55bb098f69061c1addc88a6b259ea2e2c2648c1c2beeaba21079cc465a9ddbe2.exe	WerFault.exe
PID 3028 wrote to memory of 2888	3028	55bb098f69061c1addc88a6b259ea2e2c2648c1c2beeaba21079cc465a9ddbe2.exe	WerFault.exe
PID 3028 wrote to memory of 2888	3028	55bb098f69061c1addc88a6b259ea2e2c2648c1c2beeaba21079cc465a9ddbe2.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\55bb098f69061c1addc88a6b259ea2e2c2648c1c2beeaba21079cc465a9ddbe2.exe
"C:\Users\Admin\AppData\Local\Temp\55bb098f69061c1addc88a6b259ea2e2c2648c1c2beeaba21079cc465a9ddbe2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3028 -s 136
  2⤵
  - Program crash
  PID:2888

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/3028-1-0x0000000000620000-0x0000000000720000-memory.dmp

Filesize
1024KB

Download
memory/3028-2-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/3028-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3028-5-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/3028-4-0x0000000000400000-0x0000000000594000-memory.dmp

Filesize
1.6MB

Download