smokeloader | f47560806cc02ef4c609e43a06b3c7230f6f9c6117d9ec7819535f152070df3c

General

Target

SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe
Size

213KB
MD5

796abd8556244dcf962bccaa1ec4e011
SHA1

a99ce1f449476181dffa979b49024899ef580607
SHA256

f47560806cc02ef4c609e43a06b3c7230f6f9c6117d9ec7819535f152070df3c
SHA512

13e6479c90e7cda2e38de9bcea8f5122e4345edf4d9fb1554937b0782c5db30648d943b7db08c1863a8c86e8faf6d6ebcd189c4786791534cd6a9ebefa905271

Score

10^/10

smokeloader backdoor trojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforjuly1.xyz/

http://readinglistforjuly2.xyz/

http://readinglistforjuly3.xyz/

http://readinglistforjuly4.xyz/

http://readinglistforjuly5.xyz/

http://readinglistforjuly6.xyz/

http://readinglistforjuly7.xyz/

http://readinglistforjuly8.xyz/

http://readinglistforjuly9.xyz/

http://readinglistforjuly10.xyz/

http://readinglistforjuly1.site/

http://readinglistforjuly2.site/

http://readinglistforjuly3.site/

http://readinglistforjuly4.site/

http://readinglistforjuly5.site/

http://readinglistforjuly6.site/

http://readinglistforjuly7.site/

http://readinglistforjuly8.site/

http://readinglistforjuly9.site/

http://readinglistforjuly10.site/

rc4.i32

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Deletes itself 1 IoCs

Processes:

pid process

1228

pid	process
1228

Suspicious use of SetThreadContext 1 IoCs

Processes:

SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe

description	pid	process	target process
PID 1684 set thread context of 652	1684	SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe	SecuriteInfo.com.Variant.Zusy.394875.8357.20244.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

Processes:

SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe

pid	process
652	SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe
652	SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

1228
Suspicious behavior: MapViewOfSection 19 IoCs

Processes:

SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe

pid process

652 SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
1228
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

pid process

1228
1228
1228
1228
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

pid process

1228
1228
1228
1228

pid	process
1228

pid	process
1228
1228
1228
1228

pid	process
1228
1228
1228
1228

Suspicious use of WriteProcessMemory 48 IoCs

Processes:

SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe

description	pid	process	target process
PID 1684 wrote to memory of 652	1684	SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe	SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe
PID 1684 wrote to memory of 652	1684	SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe	SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe
PID 1684 wrote to memory of 652	1684	SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe	SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe
PID 1684 wrote to memory of 652	1684	SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe	SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe
PID 1684 wrote to memory of 652	1684	SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe	SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe
PID 1684 wrote to memory of 652	1684	SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe	SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe
PID 1684 wrote to memory of 652	1684	SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe	SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe
PID 1228 wrote to memory of 568	1228		explorer.exe
PID 1228 wrote to memory of 568	1228		explorer.exe
PID 1228 wrote to memory of 568	1228		explorer.exe
PID 1228 wrote to memory of 568	1228		explorer.exe
PID 1228 wrote to memory of 568	1228		explorer.exe
PID 1228 wrote to memory of 1504	1228		explorer.exe
PID 1228 wrote to memory of 1504	1228		explorer.exe
PID 1228 wrote to memory of 1504	1228		explorer.exe
PID 1228 wrote to memory of 1504	1228		explorer.exe
PID 1228 wrote to memory of 1676	1228		explorer.exe
PID 1228 wrote to memory of 1676	1228		explorer.exe
PID 1228 wrote to memory of 1676	1228		explorer.exe
PID 1228 wrote to memory of 1676	1228		explorer.exe
PID 1228 wrote to memory of 1676	1228		explorer.exe
PID 1228 wrote to memory of 536	1228		explorer.exe
PID 1228 wrote to memory of 536	1228		explorer.exe
PID 1228 wrote to memory of 536	1228		explorer.exe
PID 1228 wrote to memory of 536	1228		explorer.exe
PID 1228 wrote to memory of 588	1228		explorer.exe
PID 1228 wrote to memory of 588	1228		explorer.exe
PID 1228 wrote to memory of 588	1228		explorer.exe
PID 1228 wrote to memory of 588	1228		explorer.exe
PID 1228 wrote to memory of 588	1228		explorer.exe
PID 1228 wrote to memory of 1652	1228		explorer.exe
PID 1228 wrote to memory of 1652	1228		explorer.exe
PID 1228 wrote to memory of 1652	1228		explorer.exe
PID 1228 wrote to memory of 1652	1228		explorer.exe
PID 1228 wrote to memory of 668	1228		explorer.exe
PID 1228 wrote to memory of 668	1228		explorer.exe
PID 1228 wrote to memory of 668	1228		explorer.exe
PID 1228 wrote to memory of 668	1228		explorer.exe
PID 1228 wrote to memory of 668	1228		explorer.exe
PID 1228 wrote to memory of 2032	1228		explorer.exe
PID 1228 wrote to memory of 2032	1228		explorer.exe
PID 1228 wrote to memory of 2032	1228		explorer.exe
PID 1228 wrote to memory of 2032	1228		explorer.exe
PID 1228 wrote to memory of 912	1228		explorer.exe
PID 1228 wrote to memory of 912	1228		explorer.exe
PID 1228 wrote to memory of 912	1228		explorer.exe
PID 1228 wrote to memory of 912	1228		explorer.exe
PID 1228 wrote to memory of 912	1228		explorer.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1684

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Zusy.394875.8357.20244.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:652

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:568

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1504

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1676

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:536

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:588

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1652

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:668

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:2032

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:912

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/536-78-0x0000000000000000-mapping.dmp

Download
memory/536-80-0x0000000000060000-0x000000000006F000-memory.dmp

Filesize
60KB

Download
memory/536-79-0x0000000000070000-0x0000000000079000-memory.dmp

Filesize
36KB

Download
memory/568-69-0x00000000000C0000-0x000000000012B000-memory.dmp

Filesize
428KB

Download
memory/568-65-0x0000000000000000-mapping.dmp

Download
memory/568-67-0x0000000075231000-0x0000000075233000-memory.dmp

Filesize
8KB

Download
memory/568-68-0x00000000001E0000-0x0000000000254000-memory.dmp

Filesize
464KB

Download
memory/588-85-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/588-84-0x0000000000090000-0x0000000000095000-memory.dmp

Filesize
20KB

Download
memory/588-81-0x0000000000000000-mapping.dmp

Download
memory/652-62-0x0000000075B31000-0x0000000075B33000-memory.dmp

Filesize
8KB

Download
memory/652-61-0x0000000000402E1A-mapping.dmp

Download
memory/652-60-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/668-93-0x00000000000C0000-0x00000000000C9000-memory.dmp

Filesize
36KB

Download
memory/668-92-0x00000000000D0000-0x00000000000D4000-memory.dmp

Filesize
16KB

Download
memory/668-89-0x0000000000000000-mapping.dmp

Download
memory/912-101-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/912-100-0x0000000000090000-0x0000000000095000-memory.dmp

Filesize
20KB

Download
memory/912-97-0x0000000000000000-mapping.dmp

Download
memory/1228-64-0x0000000002A00000-0x0000000002A16000-memory.dmp

Filesize
88KB

Download
memory/1504-72-0x0000000000060000-0x000000000006C000-memory.dmp

Filesize
48KB

Download
memory/1504-70-0x0000000000000000-mapping.dmp

Download
memory/1504-71-0x0000000000070000-0x0000000000077000-memory.dmp

Filesize
28KB

Download
memory/1652-86-0x0000000000000000-mapping.dmp

Download
memory/1652-87-0x0000000000070000-0x0000000000076000-memory.dmp

Filesize
24KB

Download
memory/1652-88-0x0000000000060000-0x000000000006C000-memory.dmp

Filesize
48KB

Download
memory/1676-73-0x0000000000000000-mapping.dmp

Download
memory/1676-75-0x00000000750C1000-0x00000000750C3000-memory.dmp

Filesize
8KB

Download
memory/1676-77-0x00000000000C0000-0x00000000000CB000-memory.dmp

Filesize
44KB

Download
memory/1676-76-0x00000000000D0000-0x00000000000D7000-memory.dmp

Filesize
28KB

Download
memory/1684-63-0x0000000000220000-0x000000000022A000-memory.dmp

Filesize
40KB

Download
memory/2032-94-0x0000000000000000-mapping.dmp

Download
memory/2032-95-0x0000000000070000-0x0000000000075000-memory.dmp

Filesize
20KB

Download
memory/2032-96-0x0000000000060000-0x0000000000069000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads