smokeloader | 732a6f07aba9942b748c90be21802ae5506d6a73adbcd9f5c22fc0a05667e355

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/11/2024, 23:16

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General

Target

4ea8677ce17dab7701eb4336d38977754c113f73731186c980ea2093e75e62b8.exe
Size

211KB
MD5

f0e44892cf227a9425a05949bb30bb55
SHA1

74c812ce0cb3fc70818075a3dad60e4571325cec
SHA256

4ea8677ce17dab7701eb4336d38977754c113f73731186c980ea2093e75e62b8
SHA512

fa6c93a47f4291493bc8d65bf28eaafeb5c7a24e3a260ef3989f55042b0e16ac0ed2198cea989a747633fa44f7aa784aa302fafd2f9886130b5faffbc7c2207c
SSDEEP

3072:WXZhXlvRLvM9mQW5G4VPnMG9Nud3C2Fy+F+Jg1xZh6M8ohSP:+NRL5QJ4VlMdZybJohSo

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
2320	2396	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	4ea8677ce17dab7701eb4336d38977754c113f73731186c980ea2093e75e62b8.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 2320	2396	4ea8677ce17dab7701eb4336d38977754c113f73731186c980ea2093e75e62b8.exe	30
PID 2396 wrote to memory of 2320	2396	4ea8677ce17dab7701eb4336d38977754c113f73731186c980ea2093e75e62b8.exe	30
PID 2396 wrote to memory of 2320	2396	4ea8677ce17dab7701eb4336d38977754c113f73731186c980ea2093e75e62b8.exe	30
PID 2396 wrote to memory of 2320	2396	4ea8677ce17dab7701eb4336d38977754c113f73731186c980ea2093e75e62b8.exe	30

C:\Users\Admin\AppData\Local\Temp\4ea8677ce17dab7701eb4336d38977754c113f73731186c980ea2093e75e62b8.exe
"C:\Users\Admin\AppData\Local\Temp\4ea8677ce17dab7701eb4336d38977754c113f73731186c980ea2093e75e62b8.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2396
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2396 -s 136
  2⤵
  - Program crash
  PID:2320

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/2396-3-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2396-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2396-1-0x0000000000520000-0x0000000000620000-memory.dmp

Filesize
1024KB

Download