smokeloader | b3c8b783e74467e2e1e8264f0e560e07d2aead3bd1d98f98d4fcc5303675d4e3

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 13:49

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General

Target

b3c8b783e74467e2e1e8264f0e560e07d2aead3bd1d98f98d4fcc5303675d4e3.exe
Size

303KB
MD5

48201775e5f24691ae42e983c7179ef9
SHA1

67a3cbafff096b126bbced17c07792fbc287f7f2
SHA256

b3c8b783e74467e2e1e8264f0e560e07d2aead3bd1d98f98d4fcc5303675d4e3
SHA512

0e60c492ce1d14fefc0f3ec88645202355a4b5864011c6382945f418eff6a5c5f99cb3af6a1aca243f037f1f4bb13a60e532d234f560449bd8ce996536512d2f
SSDEEP

6144:GgWNRAm6S/6Pom8GmK22P63UebTB22tThsIeGjY6:Aim+QjGmK22ib922ZVE

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

pid	pid_target	Process	procid_target
2144	2380	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	b3c8b783e74467e2e1e8264f0e560e07d2aead3bd1d98f98d4fcc5303675d4e3.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2144	2380	b3c8b783e74467e2e1e8264f0e560e07d2aead3bd1d98f98d4fcc5303675d4e3.exe	30
PID 2380 wrote to memory of 2144	2380	b3c8b783e74467e2e1e8264f0e560e07d2aead3bd1d98f98d4fcc5303675d4e3.exe	30
PID 2380 wrote to memory of 2144	2380	b3c8b783e74467e2e1e8264f0e560e07d2aead3bd1d98f98d4fcc5303675d4e3.exe	30
PID 2380 wrote to memory of 2144	2380	b3c8b783e74467e2e1e8264f0e560e07d2aead3bd1d98f98d4fcc5303675d4e3.exe	30

C:\Users\Admin\AppData\Local\Temp\b3c8b783e74467e2e1e8264f0e560e07d2aead3bd1d98f98d4fcc5303675d4e3.exe
"C:\Users\Admin\AppData\Local\Temp\b3c8b783e74467e2e1e8264f0e560e07d2aead3bd1d98f98d4fcc5303675d4e3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2380 -s 168
  2⤵
  - Program crash
  PID:2144

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/2380-1-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2380-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2380-2-0x00000000003A0000-0x00000000003A9000-memory.dmp

Filesize
36KB

Download
memory/2380-4-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download