smokeloader | 00deb73a1738a3b3bfd9504b70775d668581f504481c7f37c20831504f9b77aa

Analysis

max time kernel
242s
max time network
348s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31-12-2023 02:04

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General

Target

сентябрь 2023(570)/05d828574c74668fdd02f3a0e093e947cf7e1ee0970be402c775ebb236b812fa.exe
Size

196KB
MD5

49d8743b2ca1a7b66775d58fbf1945da
SHA1

93291502aca15f8f12db3b4143d37e2824af2cbb
SHA256

05d828574c74668fdd02f3a0e093e947cf7e1ee0970be402c775ebb236b812fa
SHA512

693f4f69ebaf32c7d17bd51aab24acafc6113b198c9b5f5b8b0933d76fd828556f0ee1acdd3bd864ce146a73cdfed3ff6b5b86cfc6cc8ada3943dbd3d7a330bb
SSDEEP

3072:iHhTzLMu8J2m6XSvoX6Ymdr+GZ/agfrZ84C5ER3QRK568bTTTR4P:WTzLM34UgXfWqGZvfrU5ERu2TTV4

Score

10^/10

smokeloader backdoor trojan

Malware Config

Extracted

Family

smokeloader

Version

2022

http://potunulit.org/

http://hutnilior.net/

http://bulimu55t.net/

http://soryytlic4.net/

http://novanosa5org.org/

http://nuljjjnuli.org/

http://tolilolihul.net/

http://somatoka51hub.net/

http://hujukui3.net/

http://bukubuka1.net/

http://golilopaster.org/

http://newzelannd66.org/

http://otriluyttn.org/

rc4.i32

Signatures

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

Processes:

pid process

1260
Executes dropped EXE 1 IoCs

Processes:

tfveauv

pid process

2128 tfveauv

pid	process
1260

pid	process
2128	tfveauv

Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

05d828574c74668fdd02f3a0e093e947cf7e1ee0970be402c775ebb236b812fa.exetfveauv

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	05d828574c74668fdd02f3a0e093e947cf7e1ee0970be402c775ebb236b812fa.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	05d828574c74668fdd02f3a0e093e947cf7e1ee0970be402c775ebb236b812fa.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	05d828574c74668fdd02f3a0e093e947cf7e1ee0970be402c775ebb236b812fa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	tfveauv
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	tfveauv
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	tfveauv

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

05d828574c74668fdd02f3a0e093e947cf7e1ee0970be402c775ebb236b812fa.exe

pid	process
3000	05d828574c74668fdd02f3a0e093e947cf7e1ee0970be402c775ebb236b812fa.exe
3000	05d828574c74668fdd02f3a0e093e947cf7e1ee0970be402c775ebb236b812fa.exe
1260
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1260

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

05d828574c74668fdd02f3a0e093e947cf7e1ee0970be402c775ebb236b812fa.exetfveauv

pid process

3000 05d828574c74668fdd02f3a0e093e947cf7e1ee0970be402c775ebb236b812fa.exe
2128 tfveauv

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

taskeng.exe

description	pid	process	target process
PID 1416 wrote to memory of 2128	1416	taskeng.exe	tfveauv
PID 1416 wrote to memory of 2128	1416	taskeng.exe	tfveauv
PID 1416 wrote to memory of 2128	1416	taskeng.exe	tfveauv
PID 1416 wrote to memory of 2128	1416	taskeng.exe	tfveauv

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\сентябрь 2023(570)\05d828574c74668fdd02f3a0e093e947cf7e1ee0970be402c775ebb236b812fa.exe
"C:\Users\Admin\AppData\Local\Temp\сентябрь 2023(570)\05d828574c74668fdd02f3a0e093e947cf7e1ee0970be402c775ebb236b812fa.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3000

C:\Windows\system32\taskeng.exe
taskeng.exe {936857C8-0ED5-4B8D-8C31-AA82D3A4C01C} S-1-5-21-452311807-3713411997-1028535425-1000:OZEMQECW\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1416

C:\Users\Admin\AppData\Roaming\tfveauv
C:\Users\Admin\AppData\Roaming\tfveauv
2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2128

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Roaming\tfveauv
Filesize
196KB

MD5
49d8743b2ca1a7b66775d58fbf1945da

SHA1
93291502aca15f8f12db3b4143d37e2824af2cbb

SHA256
05d828574c74668fdd02f3a0e093e947cf7e1ee0970be402c775ebb236b812fa

SHA512
693f4f69ebaf32c7d17bd51aab24acafc6113b198c9b5f5b8b0933d76fd828556f0ee1acdd3bd864ce146a73cdfed3ff6b5b86cfc6cc8ada3943dbd3d7a330bb

Download Submit
memory/1260-3-0x0000000002A10000-0x0000000002A26000-memory.dmp

Filesize
88KB

Download
memory/1260-15-0x0000000002B10000-0x0000000002B26000-memory.dmp

Filesize
88KB

Download
memory/2128-14-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2128-16-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3000-0-0x00000000003C0000-0x00000000003D5000-memory.dmp

Filesize
84KB

Download
memory/3000-1-0x00000000003E0000-0x00000000003E9000-memory.dmp

Filesize
36KB

Download
memory/3000-2-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3000-4-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3000-7-0x00000000003C0000-0x00000000003D5000-memory.dmp

Filesize
84KB

Download
memory/3000-8-0x00000000003E0000-0x00000000003E9000-memory.dmp

Filesize
36KB

Download