smokeloader | d48a9de66bed816aefb16140a0b26f339a3e9e1fdd9b7940d65d621b1175f6b3

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22-08-2024 02:16

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General

Target

b5f842b36b818b36772447405aa32983_JaffaCakes118.exe
Size

325KB
MD5

b5f842b36b818b36772447405aa32983
SHA1

6e64f89466416f5885b63258d1c8d777cfae4308
SHA256

d48a9de66bed816aefb16140a0b26f339a3e9e1fdd9b7940d65d621b1175f6b3
SHA512

0712a08e2c43191a62ed2a9fbf8795b8ab42c5f59ee3bd6dad358395b195b905d1327d86f36ce9fcfcc4daabb823f0833403b3d90cd4f538df28a0e4a7e3db3a
SSDEEP

6144:3NfyXA+3YmwL8fbF0N+KUMVbGbg5WF/p/uwONct43592U:3NfyXAWYmwwfbF0NzPM9pGHNu4/2U

Score

10^/10

smokeloader li11 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

li11

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
2324	b5f842b36b818b36772447405aa32983_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2284	2324	WerFault.exe	30

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	b5f842b36b818b36772447405aa32983_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2284	2324	b5f842b36b818b36772447405aa32983_JaffaCakes118.exe	31
PID 2324 wrote to memory of 2284	2324	b5f842b36b818b36772447405aa32983_JaffaCakes118.exe	31
PID 2324 wrote to memory of 2284	2324	b5f842b36b818b36772447405aa32983_JaffaCakes118.exe	31
PID 2324 wrote to memory of 2284	2324	b5f842b36b818b36772447405aa32983_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\b5f842b36b818b36772447405aa32983_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b5f842b36b818b36772447405aa32983_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 188
  2⤵
  - Program crash
  PID:2284

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

\Users\Admin\AppData\Local\Temp\5C1B.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/2324-0-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2324-2-0x00000000007A0000-0x00000000007AA000-memory.dmp

Filesize
40KB

Download
memory/2324-1-0x0000000000790000-0x000000000079A000-memory.dmp

Filesize
40KB

Download
memory/2324-6-0x00000000007A0000-0x00000000007AA000-memory.dmp

Filesize
40KB

Download