smokeloader | 6af7977d999ee1941c3d96c21e05b5ebb7d94196d198df333c1287e57700d33c

Analysis

max time kernel
150s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
27/03/2023, 10:23

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General

Target

17117c9fbb783c92646768b168ef82e4.exe
Size

270KB
MD5

17117c9fbb783c92646768b168ef82e4
SHA1

fd2cf118b448d57fc3560e96472eec109af3e661
SHA256

6af7977d999ee1941c3d96c21e05b5ebb7d94196d198df333c1287e57700d33c
SHA512

5096ed58413565df2259c8ea9249a3de27adc662321d0f50eb13f49055013afa5a07825185920cee17854d99403a3b0ed3838ba1a4714abf760af4972fc312be
SSDEEP

3072:u8BLGwA+dFG3xjn9+jK+vdBBNtHsDlltDKFRIoTfK9g/Ix81ejVfWOmn78F:AwnY3xj9+jt2lfKa6g815O

Score

10^/10

smokeloader sprg backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

sprg

Extracted

Family

smokeloader

Version

2022

http://hoh0aeghwugh2gie.com/

http://hie7doodohpae4na.com/

http://aek0aicifaloh1yo.com/

http://yic0oosaeiy7ahng.com/

http://wa5zu7sekai8xeih.com/

rc4.i32

Signatures

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

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 enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	17117c9fbb783c92646768b168ef82e4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	17117c9fbb783c92646768b168ef82e4.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	17117c9fbb783c92646768b168ef82e4.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1304	17117c9fbb783c92646768b168ef82e4.exe
1304	17117c9fbb783c92646768b168ef82e4.exe
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3120	Process not Found

Suspicious behavior: MapViewOfSection 19 IoCs

pid	Process
1304	17117c9fbb783c92646768b168ef82e4.exe
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found
3120	Process not Found

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3120 wrote to memory of 2716	3120	Process not Found	91
PID 3120 wrote to memory of 2716	3120	Process not Found	91
PID 3120 wrote to memory of 2716	3120	Process not Found	91
PID 3120 wrote to memory of 2716	3120	Process not Found	91
PID 3120 wrote to memory of 4772	3120	Process not Found	93
PID 3120 wrote to memory of 4772	3120	Process not Found	93
PID 3120 wrote to memory of 4772	3120	Process not Found	93
PID 3120 wrote to memory of 2072	3120	Process not Found	94
PID 3120 wrote to memory of 2072	3120	Process not Found	94
PID 3120 wrote to memory of 2072	3120	Process not Found	94
PID 3120 wrote to memory of 2072	3120	Process not Found	94
PID 3120 wrote to memory of 3628	3120	Process not Found	95
PID 3120 wrote to memory of 3628	3120	Process not Found	95
PID 3120 wrote to memory of 3628	3120	Process not Found	95
PID 3120 wrote to memory of 544	3120	Process not Found	96
PID 3120 wrote to memory of 544	3120	Process not Found	96
PID 3120 wrote to memory of 544	3120	Process not Found	96
PID 3120 wrote to memory of 544	3120	Process not Found	96
PID 3120 wrote to memory of 400	3120	Process not Found	97
PID 3120 wrote to memory of 400	3120	Process not Found	97
PID 3120 wrote to memory of 400	3120	Process not Found	97
PID 3120 wrote to memory of 400	3120	Process not Found	97
PID 3120 wrote to memory of 4768	3120	Process not Found	98
PID 3120 wrote to memory of 4768	3120	Process not Found	98
PID 3120 wrote to memory of 4768	3120	Process not Found	98
PID 3120 wrote to memory of 4768	3120	Process not Found	98
PID 3120 wrote to memory of 2404	3120	Process not Found	99
PID 3120 wrote to memory of 2404	3120	Process not Found	99
PID 3120 wrote to memory of 2404	3120	Process not Found	99
PID 3120 wrote to memory of 3576	3120	Process not Found	100
PID 3120 wrote to memory of 3576	3120	Process not Found	100
PID 3120 wrote to memory of 3576	3120	Process not Found	100
PID 3120 wrote to memory of 3576	3120	Process not Found	100

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\17117c9fbb783c92646768b168ef82e4.exe
"C:\Users\Admin\AppData\Local\Temp\17117c9fbb783c92646768b168ef82e4.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1304

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:2716

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:4772

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:2072

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:3628

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:544

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:400

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4768

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:2404

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3576

Network

MITRE ATT&CK Enterprise v6

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

memory/400-178-0x0000000000A40000-0x0000000000A45000-memory.dmp

Filesize
20KB

Download
memory/400-163-0x0000000000A30000-0x0000000000A39000-memory.dmp

Filesize
36KB

Download
memory/400-162-0x0000000000A40000-0x0000000000A45000-memory.dmp

Filesize
20KB

Download
memory/400-161-0x0000000000A30000-0x0000000000A39000-memory.dmp

Filesize
36KB

Download
memory/544-158-0x0000000000FB0000-0x0000000000FD7000-memory.dmp

Filesize
156KB

Download
memory/544-177-0x0000000001200000-0x0000000001222000-memory.dmp

Filesize
136KB

Download
memory/544-160-0x0000000000FB0000-0x0000000000FD7000-memory.dmp

Filesize
156KB

Download
memory/544-159-0x0000000001200000-0x0000000001222000-memory.dmp

Filesize
136KB

Download
memory/1304-136-0x0000000000400000-0x0000000002B71000-memory.dmp

Filesize
39.4MB

Download
memory/1304-134-0x0000000002D30000-0x0000000002D39000-memory.dmp

Filesize
36KB

Download
memory/2072-152-0x0000000000FB0000-0x0000000000FB9000-memory.dmp

Filesize
36KB

Download
memory/2072-153-0x0000000000FC0000-0x0000000000FC5000-memory.dmp

Filesize
20KB

Download
memory/2072-175-0x0000000000FC0000-0x0000000000FC5000-memory.dmp

Filesize
20KB

Download
memory/2072-154-0x0000000000FB0000-0x0000000000FB9000-memory.dmp

Filesize
36KB

Download
memory/2404-168-0x0000000000C40000-0x0000000000C47000-memory.dmp

Filesize
28KB

Download
memory/2404-180-0x0000000000C40000-0x0000000000C47000-memory.dmp

Filesize
28KB

Download
memory/2404-167-0x0000000000C30000-0x0000000000C3D000-memory.dmp

Filesize
52KB

Download
memory/2404-169-0x0000000000C30000-0x0000000000C3D000-memory.dmp

Filesize
52KB

Download
memory/2716-148-0x00000000007F0000-0x00000000007FB000-memory.dmp

Filesize
44KB

Download
memory/2716-147-0x0000000000A00000-0x0000000000A07000-memory.dmp

Filesize
28KB

Download
memory/2716-146-0x00000000007F0000-0x00000000007FB000-memory.dmp

Filesize
44KB

Download
memory/2716-173-0x0000000000A00000-0x0000000000A07000-memory.dmp

Filesize
28KB

Download
memory/3120-135-0x0000000000B00000-0x0000000000B16000-memory.dmp

Filesize
88KB

Download
memory/3576-170-0x0000000000FB0000-0x0000000000FBB000-memory.dmp

Filesize
44KB

Download
memory/3576-181-0x0000000000FC0000-0x0000000000FC8000-memory.dmp

Filesize
32KB

Download
memory/3576-172-0x0000000000FB0000-0x0000000000FBB000-memory.dmp

Filesize
44KB

Download
memory/3576-171-0x0000000000FC0000-0x0000000000FC8000-memory.dmp

Filesize
32KB

Download
memory/3628-176-0x00000000009E0000-0x00000000009E6000-memory.dmp

Filesize
24KB

Download
memory/3628-156-0x00000000009E0000-0x00000000009E6000-memory.dmp

Filesize
24KB

Download
memory/3628-155-0x00000000009D0000-0x00000000009DC000-memory.dmp

Filesize
48KB

Download
memory/3628-157-0x00000000009D0000-0x00000000009DC000-memory.dmp

Filesize
48KB

Download
memory/4768-166-0x00000000006D0000-0x00000000006DB000-memory.dmp

Filesize
44KB

Download
memory/4768-165-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/4768-164-0x00000000006D0000-0x00000000006DB000-memory.dmp

Filesize
44KB

Download
memory/4768-179-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/4772-174-0x0000000000AA0000-0x0000000000AA9000-memory.dmp

Filesize
36KB

Download
memory/4772-149-0x0000000000A90000-0x0000000000A9F000-memory.dmp

Filesize
60KB

Download
memory/4772-150-0x0000000000AA0000-0x0000000000AA9000-memory.dmp

Filesize
36KB

Download
memory/4772-151-0x0000000000A90000-0x0000000000A9F000-memory.dmp

Filesize
60KB

Download