smokeloader | b7728759616789c10bd8d1c1c9a97a04f4c5fce5a5c90c45bb4c7bb28ee67f73

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 18:14

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General

Target

b7728759616789c10bd8d1c1c9a97a04f4c5fce5a5c90c45bb4c7bb28ee67f73.exe
Size

334KB
MD5

0896d92559715e8397719e4ffaf120c0
SHA1

08432e449c7c93682d58db6dc065b42d2f0b424e
SHA256

b7728759616789c10bd8d1c1c9a97a04f4c5fce5a5c90c45bb4c7bb28ee67f73
SHA512

e747c00d9a4f74a15aab2ee089c8d30d2b1223130625493d07262233e27b9e47b43bb78dc0bb73015d829f4ec46a2a61fc3474b14a202809616d097072750974
SSDEEP

6144:06AEyGaYMOZjlRRfCqS+Uks961NEQC3jO51Nb565ztcZ4j+GsFylG:iEs4XaMUj+Nvj6AZ4jeFylG

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
Smokeloader family
smokeloader
Loads dropped DLL 1 IoCs

Processes:

b7728759616789c10bd8d1c1c9a97a04f4c5fce5a5c90c45bb4c7bb28ee67f73.exe

pid process

1880 b7728759616789c10bd8d1c1c9a97a04f4c5fce5a5c90c45bb4c7bb28ee67f73.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2560 1880 WerFault.exe b7728759616789c10bd8d1c1c9a97a04f4c5fce5a5c90c45bb4c7bb28ee67f73.exe

pid	process
1880	b7728759616789c10bd8d1c1c9a97a04f4c5fce5a5c90c45bb4c7bb28ee67f73.exe

pid	pid_target	process	target process
2560	1880	WerFault.exe	b7728759616789c10bd8d1c1c9a97a04f4c5fce5a5c90c45bb4c7bb28ee67f73.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:

b7728759616789c10bd8d1c1c9a97a04f4c5fce5a5c90c45bb4c7bb28ee67f73.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b7728759616789c10bd8d1c1c9a97a04f4c5fce5a5c90c45bb4c7bb28ee67f73.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

b7728759616789c10bd8d1c1c9a97a04f4c5fce5a5c90c45bb4c7bb28ee67f73.exe

description	pid	process	target process
PID 1880 wrote to memory of 2560	1880	b7728759616789c10bd8d1c1c9a97a04f4c5fce5a5c90c45bb4c7bb28ee67f73.exe	WerFault.exe
PID 1880 wrote to memory of 2560	1880	b7728759616789c10bd8d1c1c9a97a04f4c5fce5a5c90c45bb4c7bb28ee67f73.exe	WerFault.exe
PID 1880 wrote to memory of 2560	1880	b7728759616789c10bd8d1c1c9a97a04f4c5fce5a5c90c45bb4c7bb28ee67f73.exe	WerFault.exe
PID 1880 wrote to memory of 2560	1880	b7728759616789c10bd8d1c1c9a97a04f4c5fce5a5c90c45bb4c7bb28ee67f73.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\b7728759616789c10bd8d1c1c9a97a04f4c5fce5a5c90c45bb4c7bb28ee67f73.exe
"C:\Users\Admin\AppData\Local\Temp\b7728759616789c10bd8d1c1c9a97a04f4c5fce5a5c90c45bb4c7bb28ee67f73.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1880
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1880 -s 164
  2⤵
  - Program crash
  PID:2560

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\5C1B.tmp

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/1880-2-0x0000000000130000-0x000000000013A000-memory.dmp

Filesize
40KB

Download
memory/1880-1-0x0000000000120000-0x000000000012A000-memory.dmp

Filesize
40KB

Download
memory/1880-0-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/1880-6-0x0000000000130000-0x000000000013A000-memory.dmp

Filesize
40KB

Download