smokeloader | a3155b0394d78cbf148a5fbb0a2216219aaba3fdb8d7a29a9923e01703fec098

Analysis

max time kernel
13s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 13:55

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General

Target

0f22ab81f0f9b38e55ec1641388aa9470f7ba03b19130f2f46aab62f3739c596.exe
Size

221KB
MD5

2355365f48142ec4f110089668c5ff53
SHA1

0b8e615044eda9cf618576ae220a52ecc6297445
SHA256

0f22ab81f0f9b38e55ec1641388aa9470f7ba03b19130f2f46aab62f3739c596
SHA512

7050f08b39a3143417c2ba45582a6b91104bc968706e94b5b7e5c6c01dfdd099aa0b3f460ada1396f2a4b9319f7a85581bc147d2329c2dddcbeb46fd1cec162e
SSDEEP

3072:iaYN359kq8OXBQLokw7r6ss5vKXRyt4S/9y3PvIYv0ON/EWUcUG:iai5acQLS7rtUKyknD8ON

Score

10^/10

smokeloader pub4 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub4

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
2056	2328	WerFault.exe	28

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	0f22ab81f0f9b38e55ec1641388aa9470f7ba03b19130f2f46aab62f3739c596.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2056	2328	0f22ab81f0f9b38e55ec1641388aa9470f7ba03b19130f2f46aab62f3739c596.exe	29
PID 2328 wrote to memory of 2056	2328	0f22ab81f0f9b38e55ec1641388aa9470f7ba03b19130f2f46aab62f3739c596.exe	29
PID 2328 wrote to memory of 2056	2328	0f22ab81f0f9b38e55ec1641388aa9470f7ba03b19130f2f46aab62f3739c596.exe	29
PID 2328 wrote to memory of 2056	2328	0f22ab81f0f9b38e55ec1641388aa9470f7ba03b19130f2f46aab62f3739c596.exe	29

C:\Users\Admin\AppData\Local\Temp\0f22ab81f0f9b38e55ec1641388aa9470f7ba03b19130f2f46aab62f3739c596.exe
"C:\Users\Admin\AppData\Local\Temp\0f22ab81f0f9b38e55ec1641388aa9470f7ba03b19130f2f46aab62f3739c596.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 136
  2⤵
  - Program crash
  PID:2056

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/2328-2-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2328-1-0x00000000006F0000-0x00000000007F0000-memory.dmp

Filesize
1024KB

Download
memory/2328-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2328-4-0x0000000000400000-0x0000000000595000-memory.dmp

Filesize
1.6MB

Download