smokeloader | b6e7e7757e502ded20a0d2010f01cfab0e37d8b70f12efca56e5d75f74fd5dda

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
22-11-2024 09:42

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General

Target

b6e7e7757e502ded20a0d2010f01cfab0e37d8b70f12efca56e5d75f74fd5dda.exe
Size

285KB
MD5

043af6d03988956df9a2c845c50f3de2
SHA1

0d518e3f03bae37d2ad278ee09f65ccfda6d4e12
SHA256

b6e7e7757e502ded20a0d2010f01cfab0e37d8b70f12efca56e5d75f74fd5dda
SHA512

773b5025e4ad1e1b4d89023074b7a1dd4d01814192ed7b3d9b2bd4de6bed1ff32b3ce95a654e96c9c826f7e666dc342c8751bfc7f4d0bd18d5ff2f05c34b22e4
SSDEEP

6144:LnjozYIyIiGOURa4vkbC7wxAwM0ZnTV2hj:zjmviD8zvybAROnTV2l

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
1016	b6e7e7757e502ded20a0d2010f01cfab0e37d8b70f12efca56e5d75f74fd5dda.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2288	1016	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	b6e7e7757e502ded20a0d2010f01cfab0e37d8b70f12efca56e5d75f74fd5dda.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1016 wrote to memory of 2288	1016	b6e7e7757e502ded20a0d2010f01cfab0e37d8b70f12efca56e5d75f74fd5dda.exe	30
PID 1016 wrote to memory of 2288	1016	b6e7e7757e502ded20a0d2010f01cfab0e37d8b70f12efca56e5d75f74fd5dda.exe	30
PID 1016 wrote to memory of 2288	1016	b6e7e7757e502ded20a0d2010f01cfab0e37d8b70f12efca56e5d75f74fd5dda.exe	30
PID 1016 wrote to memory of 2288	1016	b6e7e7757e502ded20a0d2010f01cfab0e37d8b70f12efca56e5d75f74fd5dda.exe	30

C:\Users\Admin\AppData\Local\Temp\b6e7e7757e502ded20a0d2010f01cfab0e37d8b70f12efca56e5d75f74fd5dda.exe
"C:\Users\Admin\AppData\Local\Temp\b6e7e7757e502ded20a0d2010f01cfab0e37d8b70f12efca56e5d75f74fd5dda.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1016 -s 128
  2⤵
  - Program crash
  PID:2288

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

\Users\Admin\AppData\Local\Temp\1105.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/1016-1-0x0000000000A00000-0x0000000000B00000-memory.dmp

Filesize
1024KB

Download
memory/1016-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1016-6-0x0000000000400000-0x0000000000877000-memory.dmp

Filesize
4.5MB

Download
memory/1016-7-0x0000000000400000-0x0000000000877000-memory.dmp

Filesize
4.5MB

Download
memory/1016-8-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

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