smokeloader | 7a94fd77f74fecc0e962e0917c128a5ce5cd1ea0109d7ac3d55e58ee4d38b1ab

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-12-2024 13:55

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General

Target

7a94fd77f74fecc0e962e0917c128a5ce5cd1ea0109d7ac3d55e58ee4d38b1ab.exe
Size

216KB
MD5

5a58d1bcead1ca8e88c508752e2edd6f
SHA1

575559eede0ab93b298734cbd0e6415d2b971598
SHA256

7a94fd77f74fecc0e962e0917c128a5ce5cd1ea0109d7ac3d55e58ee4d38b1ab
SHA512

c8df96670d51b9412e6b3e17f583ba48d750350764cf446d1fc536f4f2b304a4b05f900169b9c80c045564240bda03c5406dc7e3a61778d57cb43af463355b96
SSDEEP

3072:evxzFcMkiea5Nm1oLLHvGdu6dj9hu5eQKQUoBUwvxFxUxMrx:evENVaT5LLuduGj9hlQUWUwvjxH

Score

10^/10

smokeloader pub3 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1940 set thread context of 3288	1940	7a94fd77f74fecc0e962e0917c128a5ce5cd1ea0109d7ac3d55e58ee4d38b1ab.exe	83

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	7a94fd77f74fecc0e962e0917c128a5ce5cd1ea0109d7ac3d55e58ee4d38b1ab.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	7a94fd77f74fecc0e962e0917c128a5ce5cd1ea0109d7ac3d55e58ee4d38b1ab.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	7a94fd77f74fecc0e962e0917c128a5ce5cd1ea0109d7ac3d55e58ee4d38b1ab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	7a94fd77f74fecc0e962e0917c128a5ce5cd1ea0109d7ac3d55e58ee4d38b1ab.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 3288	1940	7a94fd77f74fecc0e962e0917c128a5ce5cd1ea0109d7ac3d55e58ee4d38b1ab.exe	83
PID 1940 wrote to memory of 3288	1940	7a94fd77f74fecc0e962e0917c128a5ce5cd1ea0109d7ac3d55e58ee4d38b1ab.exe	83
PID 1940 wrote to memory of 3288	1940	7a94fd77f74fecc0e962e0917c128a5ce5cd1ea0109d7ac3d55e58ee4d38b1ab.exe	83
PID 1940 wrote to memory of 3288	1940	7a94fd77f74fecc0e962e0917c128a5ce5cd1ea0109d7ac3d55e58ee4d38b1ab.exe	83
PID 1940 wrote to memory of 3288	1940	7a94fd77f74fecc0e962e0917c128a5ce5cd1ea0109d7ac3d55e58ee4d38b1ab.exe	83
PID 1940 wrote to memory of 3288	1940	7a94fd77f74fecc0e962e0917c128a5ce5cd1ea0109d7ac3d55e58ee4d38b1ab.exe	83

C:\Users\Admin\AppData\Local\Temp\7a94fd77f74fecc0e962e0917c128a5ce5cd1ea0109d7ac3d55e58ee4d38b1ab.exe
"C:\Users\Admin\AppData\Local\Temp\7a94fd77f74fecc0e962e0917c128a5ce5cd1ea0109d7ac3d55e58ee4d38b1ab.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Users\Admin\AppData\Local\Temp\7a94fd77f74fecc0e962e0917c128a5ce5cd1ea0109d7ac3d55e58ee4d38b1ab.exe
  "C:\Users\Admin\AppData\Local\Temp\7a94fd77f74fecc0e962e0917c128a5ce5cd1ea0109d7ac3d55e58ee4d38b1ab.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:3288

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1940-2-0x0000000000800000-0x0000000000809000-memory.dmp

Filesize
36KB

Download
memory/1940-1-0x0000000000870000-0x0000000000970000-memory.dmp

Filesize
1024KB

Download
memory/3288-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3288-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3288-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download