smokeloader | 2adf4581364c32549d7b32826b88d7b7408214e91deee492ef3bdd846a42f526

Analysis

max time kernel
150s
max time network
134s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
11/01/2024, 20:06

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General

Target

2adf4581364c32549d7b32826b88d7b7408214e91deee492ef3bdd846a42f526.exe
Size

311KB
MD5

5fb837c05b92590f5e23e89eff60d6a1
SHA1

93595e218d3664d92055d60ef1753141e4fd053d
SHA256

2adf4581364c32549d7b32826b88d7b7408214e91deee492ef3bdd846a42f526
SHA512

2813c7643d984f3479bc83ebe04d92dcf285640e26e9cc60a9d742a193af4651bdfa43f595fdaee7f91c2b6c15147aec04eda876edf6cf3325fa52addf316346
SSDEEP

3072:U8EGKLRYmuaZn29+DCxz+JwMom5WG5sKI36Fwj0:UljLRXuaZnIVMr6737

Score

10^/10

smokeloader backdoor trojan

Malware Config

Extracted

Family

smokeloader

Version

2022

http://selebration17io.io/index.php

http://vacantion18ffeu.cc/index.php

http://valarioulinity1.net/index.php

http://buriatiarutuhuob.net/index.php

http://cassiosssionunu.me/index.php

http://sulugilioiu19.net/index.php

http://goodfooggooftool.net/index.php

rc4.i32

Signatures

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

Deletes itself 1 IoCs

pid	Process
1372	Process not Found

Loads dropped DLL 1 IoCs

pid	Process
2632	regsvr32.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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2adf4581364c32549d7b32826b88d7b7408214e91deee492ef3bdd846a42f526.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2adf4581364c32549d7b32826b88d7b7408214e91deee492ef3bdd846a42f526.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2adf4581364c32549d7b32826b88d7b7408214e91deee492ef3bdd846a42f526.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2336	2adf4581364c32549d7b32826b88d7b7408214e91deee492ef3bdd846a42f526.exe
2336	2adf4581364c32549d7b32826b88d7b7408214e91deee492ef3bdd846a42f526.exe
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found
1372	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2336	2adf4581364c32549d7b32826b88d7b7408214e91deee492ef3bdd846a42f526.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1372 wrote to memory of 2608	1372	Process not Found	30
PID 1372 wrote to memory of 2608	1372	Process not Found	30
PID 1372 wrote to memory of 2608	1372	Process not Found	30
PID 1372 wrote to memory of 2608	1372	Process not Found	30
PID 1372 wrote to memory of 2608	1372	Process not Found	30
PID 2608 wrote to memory of 2632	2608	regsvr32.exe	31
PID 2608 wrote to memory of 2632	2608	regsvr32.exe	31
PID 2608 wrote to memory of 2632	2608	regsvr32.exe	31
PID 2608 wrote to memory of 2632	2608	regsvr32.exe	31
PID 2608 wrote to memory of 2632	2608	regsvr32.exe	31
PID 2608 wrote to memory of 2632	2608	regsvr32.exe	31
PID 2608 wrote to memory of 2632	2608	regsvr32.exe	31

C:\Users\Admin\AppData\Local\Temp\2adf4581364c32549d7b32826b88d7b7408214e91deee492ef3bdd846a42f526.exe
"C:\Users\Admin\AppData\Local\Temp\2adf4581364c32549d7b32826b88d7b7408214e91deee492ef3bdd846a42f526.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2336

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\E437.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2608
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\E437.dll
  2⤵
  - Loads dropped DLL
  PID:2632

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\E437.dll

Filesize
1.2MB

MD5
d9a8b60dd12ff5956a225d7b1cdc538d

SHA1
88da81c1ae32cce79490e9177d6f54ba3fc7d5f4

SHA256
e0fdaa4098a318cd008cf444209fba633c8f3b09e63aeebac1f55a573baafd12

SHA512
9321aa96010e6021313afcc47558ed8b7294a1cc4934f5f1832903d69390bb88ff835194b72c7be8edbfe83121302f848f4d4addffd5b43c638da60078a33c9b

Download Submit
\Users\Admin\AppData\Local\Temp\E437.dll

Filesize
650KB

MD5
4f77378b5acac0d6de4016dc2359968d

SHA1
24e8bf4278223adf0caa011aa5badff5286818ca

SHA256
fb401ac53f1f6038e60adedcb4814d5beb879604918e28649a8e2b9430719e30

SHA512
8372d9ccdccb99347a7e7e56e7ec7a32d31d6e574f26d756dd671c2193aafaca99d21743e7639b7d9542d702c1a4c67cfbed3fb6dc23bb2ce3201cd42a4ce5fe

Download Submit
memory/1372-5-0x00000000025A0000-0x00000000025B6000-memory.dmp

Filesize
88KB

Download
memory/2336-6-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/2336-2-0x00000000001B0000-0x00000000001BB000-memory.dmp

Filesize
44KB

Download
memory/2336-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2336-3-0x0000000000400000-0x0000000000870000-memory.dmp

Filesize
4.4MB

Download
memory/2632-16-0x0000000010000000-0x0000000010227000-memory.dmp

Filesize
2.2MB

Download
memory/2632-15-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/2632-19-0x0000000002220000-0x000000000235D000-memory.dmp

Filesize
1.2MB

Download
memory/2632-20-0x0000000002360000-0x000000000247E000-memory.dmp

Filesize
1.1MB

Download
memory/2632-23-0x0000000002360000-0x000000000247E000-memory.dmp

Filesize
1.1MB

Download
memory/2632-21-0x0000000002360000-0x000000000247E000-memory.dmp

Filesize
1.1MB

Download
memory/2632-24-0x0000000002360000-0x000000000247E000-memory.dmp

Filesize
1.1MB

Download