smokeloader | 72c048439122d689c407bbcd9d0333073707e00c273bc07955b977d69da7232e

General

Target

72c048439122d689c407bbcd9d0333073707e00c273bc07955b977d69da7232e.exe
Size

294KB
MD5

62f713cefee729f375a973adca2d3d38
SHA1

a6c561e5b342c82ca428dd65785875fd22b987b0
SHA256

72c048439122d689c407bbcd9d0333073707e00c273bc07955b977d69da7232e
SHA512

353083b53de3bdc36d33ffd1ee2daad33616dcd8263f2f8e2021a2107168853b312c3e829ef167f75ef8f6418e09b789b1a86d1ba14dfc602c29e85c5b9781e1
SSDEEP

3072:ic8EQZM8uwwlAbIn9nfz9Ion8qPrasO7AN9ZQCOLzXSDkFx1GRElmc2toiDTBg:XkMXXAbunfVasOa7QCWXSw1IVtDDTS

Score

10^/10

smokeloader sprg backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

sprg

Extracted

Family

smokeloader

Version

2022

C2

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
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

21A1.exe

pid process

1008 21A1.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1868 1008 WerFault.exe 21A1.exe

pid	process
1008	21A1.exe

pid	pid_target	process	target process
1868	1008	WerFault.exe	21A1.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:

72c048439122d689c407bbcd9d0333073707e00c273bc07955b977d69da7232e.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	72c048439122d689c407bbcd9d0333073707e00c273bc07955b977d69da7232e.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	72c048439122d689c407bbcd9d0333073707e00c273bc07955b977d69da7232e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	72c048439122d689c407bbcd9d0333073707e00c273bc07955b977d69da7232e.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

72c048439122d689c407bbcd9d0333073707e00c273bc07955b977d69da7232e.exe

pid	process
4136	72c048439122d689c407bbcd9d0333073707e00c273bc07955b977d69da7232e.exe
4136	72c048439122d689c407bbcd9d0333073707e00c273bc07955b977d69da7232e.exe
3160
3160
3160
3160
3160
3160
3160
3160
3160
3160
3160
3160
3160
3160
3160
3160
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3160
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3160
3160

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

3160

pid	process
3160

Suspicious behavior: MapViewOfSection 19 IoCs

Processes:

72c048439122d689c407bbcd9d0333073707e00c273bc07955b977d69da7232e.exe

pid	process
4136	72c048439122d689c407bbcd9d0333073707e00c273bc07955b977d69da7232e.exe
3160
3160
3160
3160
3160
3160
3160
3160
3160
3160
3160
3160
3160
3160
3160
3160
3160
3160

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

description	pid	process
Token: SeShutdownPrivilege	3160
Token: SeCreatePagefilePrivilege	3160
Token: SeShutdownPrivilege	3160
Token: SeCreatePagefilePrivilege	3160
Token: SeShutdownPrivilege	3160
Token: SeCreatePagefilePrivilege	3160
Token: SeShutdownPrivilege	3160
Token: SeCreatePagefilePrivilege	3160
Token: SeShutdownPrivilege	3160
Token: SeCreatePagefilePrivilege	3160

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

description	pid	target process
PID 3160 wrote to memory of 1008	3160	21A1.exe
PID 3160 wrote to memory of 1008	3160	21A1.exe
PID 3160 wrote to memory of 1008	3160	21A1.exe
PID 3160 wrote to memory of 4640	3160	explorer.exe
PID 3160 wrote to memory of 4640	3160	explorer.exe
PID 3160 wrote to memory of 4640	3160	explorer.exe
PID 3160 wrote to memory of 4640	3160	explorer.exe
PID 3160 wrote to memory of 2656	3160	explorer.exe
PID 3160 wrote to memory of 2656	3160	explorer.exe
PID 3160 wrote to memory of 2656	3160	explorer.exe
PID 3160 wrote to memory of 4268	3160	explorer.exe
PID 3160 wrote to memory of 4268	3160	explorer.exe
PID 3160 wrote to memory of 4268	3160	explorer.exe
PID 3160 wrote to memory of 4268	3160	explorer.exe
PID 3160 wrote to memory of 4016	3160	explorer.exe
PID 3160 wrote to memory of 4016	3160	explorer.exe
PID 3160 wrote to memory of 4016	3160	explorer.exe
PID 3160 wrote to memory of 3728	3160	explorer.exe
PID 3160 wrote to memory of 3728	3160	explorer.exe
PID 3160 wrote to memory of 3728	3160	explorer.exe
PID 3160 wrote to memory of 3728	3160	explorer.exe
PID 3160 wrote to memory of 1652	3160	explorer.exe
PID 3160 wrote to memory of 1652	3160	explorer.exe
PID 3160 wrote to memory of 1652	3160	explorer.exe
PID 3160 wrote to memory of 1652	3160	explorer.exe
PID 3160 wrote to memory of 4152	3160	explorer.exe
PID 3160 wrote to memory of 4152	3160	explorer.exe
PID 3160 wrote to memory of 4152	3160	explorer.exe
PID 3160 wrote to memory of 4152	3160	explorer.exe
PID 3160 wrote to memory of 4980	3160	explorer.exe
PID 3160 wrote to memory of 4980	3160	explorer.exe
PID 3160 wrote to memory of 4980	3160	explorer.exe
PID 3160 wrote to memory of 1600	3160	explorer.exe
PID 3160 wrote to memory of 1600	3160	explorer.exe
PID 3160 wrote to memory of 1600	3160	explorer.exe
PID 3160 wrote to memory of 1600	3160	explorer.exe

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\72c048439122d689c407bbcd9d0333073707e00c273bc07955b977d69da7232e.exe
"C:\Users\Admin\AppData\Local\Temp\72c048439122d689c407bbcd9d0333073707e00c273bc07955b977d69da7232e.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4136

C:\Users\Admin\AppData\Local\Temp\21A1.exe
C:\Users\Admin\AppData\Local\Temp\21A1.exe
1⤵
- Executes dropped EXE
PID:1008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1008 -s 284
2⤵
- Program crash
PID:1868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1008 -ip 1008
1⤵
PID:744

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4640

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:2656

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4268

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:4016

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3728

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1652

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4152

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:4980

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1600

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\21A1.exe
Filesize
244KB

MD5
4638297fa590abadecce57f700cee38b

SHA1
59fbbb8e393fe24d2f2998b3424ac7822fab1a80

SHA256
966129eb14c12490628a54d8013eccbb00215314ed14be5d5ef7f57d00928f7d

SHA512
90ab739edff8fd8a191929338db777580cc2347b6231b304ccf353789d61c4d50866545b1aee33bc4e3e2f0cbf1406085873d721087741648c0fc37e8d6f6b05

Download Submit
C:\Users\Admin\AppData\Local\Temp\21A1.exe
Filesize
244KB

MD5
4638297fa590abadecce57f700cee38b

SHA1
59fbbb8e393fe24d2f2998b3424ac7822fab1a80

SHA256
966129eb14c12490628a54d8013eccbb00215314ed14be5d5ef7f57d00928f7d

SHA512
90ab739edff8fd8a191929338db777580cc2347b6231b304ccf353789d61c4d50866545b1aee33bc4e3e2f0cbf1406085873d721087741648c0fc37e8d6f6b05

Download Submit
memory/1600-172-0x0000000000D50000-0x0000000000D5B000-memory.dmp

Filesize
44KB

Download
memory/1600-182-0x0000000000F20000-0x0000000000F2D000-memory.dmp

Filesize
52KB

Download
memory/1600-174-0x0000000000D50000-0x0000000000D5B000-memory.dmp

Filesize
44KB

Download
memory/1600-173-0x0000000000F20000-0x0000000000F2D000-memory.dmp

Filesize
52KB

Download
memory/1652-164-0x0000000000A80000-0x0000000000A89000-memory.dmp

Filesize
36KB

Download
memory/1652-179-0x0000000000EB0000-0x0000000000ED7000-memory.dmp

Filesize
156KB

Download
memory/1652-166-0x0000000000A80000-0x0000000000A89000-memory.dmp

Filesize
36KB

Download
memory/1652-165-0x0000000000EB0000-0x0000000000ED7000-memory.dmp

Filesize
156KB

Download
memory/2656-176-0x00000000002E0000-0x00000000002EB000-memory.dmp

Filesize
44KB

Download
memory/2656-154-0x0000000000690000-0x000000000069F000-memory.dmp

Filesize
60KB

Download
memory/2656-155-0x0000000000690000-0x000000000069F000-memory.dmp

Filesize
60KB

Download
memory/3160-135-0x0000000000B70000-0x0000000000B86000-memory.dmp

Filesize
88KB

Download
memory/3728-162-0x0000000000390000-0x000000000039C000-memory.dmp

Filesize
48KB

Download
memory/3728-161-0x0000000000EB0000-0x0000000000ED7000-memory.dmp

Filesize
156KB

Download
memory/3728-163-0x0000000000EB0000-0x0000000000ED7000-memory.dmp

Filesize
156KB

Download
memory/3728-178-0x0000000000390000-0x000000000039C000-memory.dmp

Filesize
48KB

Download
memory/4016-160-0x0000000000390000-0x000000000039C000-memory.dmp

Filesize
48KB

Download
memory/4016-177-0x0000000000B00000-0x0000000000B09000-memory.dmp

Filesize
36KB

Download
memory/4016-159-0x0000000000390000-0x000000000039C000-memory.dmp

Filesize
48KB

Download
memory/4136-136-0x0000000000400000-0x0000000002B77000-memory.dmp

Filesize
39.5MB

Download
memory/4136-134-0x0000000002D10000-0x0000000002D19000-memory.dmp

Filesize
36KB

Download
memory/4152-167-0x00000000009F0000-0x00000000009FB000-memory.dmp

Filesize
44KB

Download
memory/4152-180-0x0000000000A80000-0x0000000000A89000-memory.dmp

Filesize
36KB

Download
memory/4152-168-0x00000000009F0000-0x00000000009FB000-memory.dmp

Filesize
44KB

Download
memory/4268-156-0x0000000000B00000-0x0000000000B09000-memory.dmp

Filesize
36KB

Download
memory/4268-157-0x0000000000690000-0x000000000069F000-memory.dmp

Filesize
60KB

Download
memory/4268-158-0x0000000000B00000-0x0000000000B09000-memory.dmp

Filesize
36KB

Download
memory/4640-153-0x00000000002E0000-0x00000000002EB000-memory.dmp

Filesize
44KB

Download
memory/4640-175-0x0000000002D10000-0x0000000002D19000-memory.dmp

Filesize
36KB

Download
memory/4640-151-0x00000000002E0000-0x00000000002EB000-memory.dmp

Filesize
44KB

Download
memory/4640-152-0x0000000002D10000-0x0000000002D19000-memory.dmp

Filesize
36KB

Download
memory/4980-170-0x00000000009F0000-0x00000000009FB000-memory.dmp

Filesize
44KB

Download
memory/4980-171-0x0000000000F20000-0x0000000000F2D000-memory.dmp

Filesize
52KB

Download
memory/4980-181-0x00000000009F0000-0x00000000009FB000-memory.dmp

Filesize
44KB

Download
memory/4980-169-0x0000000000F20000-0x0000000000F2D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads