smokeloader | a66dbe6506867f6ab03251cb0b56456792a9bab4f1dcc6c33d08e1efb1b919a1

General

Target

12d3dc8a4fd8a2ebe6a839cce59920156d55e8d06fe2a5c95ad60419086877bb.exe
Size

30KB
MD5

2cdffb841cfd9e2e729de2f02c47f8d1
SHA1

8d4e116bd2cfc57bfbe5f05308020e65f93d592d
SHA256

12d3dc8a4fd8a2ebe6a839cce59920156d55e8d06fe2a5c95ad60419086877bb
SHA512

8d344d0afba0eca49b4541b75c3e39dde3b75c9503bdddaf435b834699010852a0ada54fa2381c64bb31211dd9cf12eec0394c1f30700521ae849e29a4e7b90f
SSDEEP

768:QVKaUWVgbStx+y4+LK2rTMk6vAZ2HtIWVpw5/:QEaP6QxNxTMSYted

Score

10^/10

smokeloader kev backdoor collection trojan

Malware Config

Extracted

Family

smokeloader

Botnet

kev

Extracted

Family

smokeloader

Version

2022

C2

http://atillapro.com/

https://atillapro.com/

rc4.i32

Signatures

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

Processes:

pid process

1196
Executes dropped EXE 1 IoCs

Processes:

tgawhei

pid process

2008 tgawhei

pid	process
1196

pid	process
2008	tgawhei

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

explorer.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	explorer.exe
Key opened	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	explorer.exe
Key opened	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	explorer.exe

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:

12d3dc8a4fd8a2ebe6a839cce59920156d55e8d06fe2a5c95ad60419086877bb.exetgawhei

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	12d3dc8a4fd8a2ebe6a839cce59920156d55e8d06fe2a5c95ad60419086877bb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	tgawhei
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	tgawhei
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	tgawhei
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	12d3dc8a4fd8a2ebe6a839cce59920156d55e8d06fe2a5c95ad60419086877bb.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	12d3dc8a4fd8a2ebe6a839cce59920156d55e8d06fe2a5c95ad60419086877bb.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

12d3dc8a4fd8a2ebe6a839cce59920156d55e8d06fe2a5c95ad60419086877bb.exe

pid	process
1720	12d3dc8a4fd8a2ebe6a839cce59920156d55e8d06fe2a5c95ad60419086877bb.exe
1720	12d3dc8a4fd8a2ebe6a839cce59920156d55e8d06fe2a5c95ad60419086877bb.exe
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196

Suspicious behavior: MapViewOfSection 20 IoCs

Processes:

12d3dc8a4fd8a2ebe6a839cce59920156d55e8d06fe2a5c95ad60419086877bb.exetgawhei

pid	process
1720	12d3dc8a4fd8a2ebe6a839cce59920156d55e8d06fe2a5c95ad60419086877bb.exe
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
1196
2008	tgawhei

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

pid process

1196
1196
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

pid process

1196
1196

pid	process
1196
1196

pid	process
1196
1196

Suspicious use of WriteProcessMemory 46 IoCs

Processes:

taskeng.exe

description	pid	process	target process
PID 1196 wrote to memory of 2552	1196		explorer.exe
PID 1196 wrote to memory of 2552	1196		explorer.exe
PID 1196 wrote to memory of 2552	1196		explorer.exe
PID 1196 wrote to memory of 2552	1196		explorer.exe
PID 1196 wrote to memory of 2552	1196		explorer.exe
PID 1196 wrote to memory of 2608	1196		explorer.exe
PID 1196 wrote to memory of 2608	1196		explorer.exe
PID 1196 wrote to memory of 2608	1196		explorer.exe
PID 1196 wrote to memory of 2608	1196		explorer.exe
PID 1196 wrote to memory of 2564	1196		explorer.exe
PID 1196 wrote to memory of 2564	1196		explorer.exe
PID 1196 wrote to memory of 2564	1196		explorer.exe
PID 1196 wrote to memory of 2564	1196		explorer.exe
PID 1196 wrote to memory of 2564	1196		explorer.exe
PID 1196 wrote to memory of 2596	1196		explorer.exe
PID 1196 wrote to memory of 2596	1196		explorer.exe
PID 1196 wrote to memory of 2596	1196		explorer.exe
PID 1196 wrote to memory of 2596	1196		explorer.exe
PID 1196 wrote to memory of 2596	1196		explorer.exe
PID 1196 wrote to memory of 2396	1196		explorer.exe
PID 1196 wrote to memory of 2396	1196		explorer.exe
PID 1196 wrote to memory of 2396	1196		explorer.exe
PID 1196 wrote to memory of 2396	1196		explorer.exe
PID 1196 wrote to memory of 2328	1196		explorer.exe
PID 1196 wrote to memory of 2328	1196		explorer.exe
PID 1196 wrote to memory of 2328	1196		explorer.exe
PID 1196 wrote to memory of 2328	1196		explorer.exe
PID 1196 wrote to memory of 2328	1196		explorer.exe
PID 1196 wrote to memory of 3032	1196		explorer.exe
PID 1196 wrote to memory of 3032	1196		explorer.exe
PID 1196 wrote to memory of 3032	1196		explorer.exe
PID 1196 wrote to memory of 3032	1196		explorer.exe
PID 1196 wrote to memory of 3032	1196		explorer.exe
PID 1196 wrote to memory of 2888	1196		explorer.exe
PID 1196 wrote to memory of 2888	1196		explorer.exe
PID 1196 wrote to memory of 2888	1196		explorer.exe
PID 1196 wrote to memory of 2888	1196		explorer.exe
PID 1196 wrote to memory of 1540	1196		explorer.exe
PID 1196 wrote to memory of 1540	1196		explorer.exe
PID 1196 wrote to memory of 1540	1196		explorer.exe
PID 1196 wrote to memory of 1540	1196		explorer.exe
PID 1196 wrote to memory of 1540	1196		explorer.exe
PID 880 wrote to memory of 2008	880	taskeng.exe	tgawhei
PID 880 wrote to memory of 2008	880	taskeng.exe	tgawhei
PID 880 wrote to memory of 2008	880	taskeng.exe	tgawhei
PID 880 wrote to memory of 2008	880	taskeng.exe	tgawhei

outlook_office_path 1 IoCs

Processes:

explorer.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	explorer.exe

outlook_win_path 1 IoCs

Processes:

explorer.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	explorer.exe

C:\Users\Admin\AppData\Local\Temp\12d3dc8a4fd8a2ebe6a839cce59920156d55e8d06fe2a5c95ad60419086877bb.exe
"C:\Users\Admin\AppData\Local\Temp\12d3dc8a4fd8a2ebe6a839cce59920156d55e8d06fe2a5c95ad60419086877bb.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1720

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
- Accesses Microsoft Outlook profiles
- outlook_office_path
- outlook_win_path
PID:2552

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:2608

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:2564

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:2596

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:2396

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:2328

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3032

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:2888

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1540

C:\Windows\system32\taskeng.exe
taskeng.exe {AE52081E-7DD8-4D26-AC98-1621C535B0FF} S-1-5-21-2721934792-624042501-2768869379-1000:BISMIZHX\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:880

C:\Users\Admin\AppData\Roaming\tgawhei
C:\Users\Admin\AppData\Roaming\tgawhei
2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2008

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\tgawhei
Filesize
30KB

MD5
2cdffb841cfd9e2e729de2f02c47f8d1

SHA1
8d4e116bd2cfc57bfbe5f05308020e65f93d592d

SHA256
12d3dc8a4fd8a2ebe6a839cce59920156d55e8d06fe2a5c95ad60419086877bb

SHA512
8d344d0afba0eca49b4541b75c3e39dde3b75c9503bdddaf435b834699010852a0ada54fa2381c64bb31211dd9cf12eec0394c1f30700521ae849e29a4e7b90f

Download Submit
memory/1196-56-0x0000000002590000-0x00000000025A6000-memory.dmp

Filesize
88KB

Download
memory/1196-1-0x0000000002570000-0x0000000002586000-memory.dmp

Filesize
88KB

Download
memory/1540-50-0x0000000000080000-0x000000000008B000-memory.dmp

Filesize
44KB

Download
memory/1540-48-0x0000000000080000-0x000000000008B000-memory.dmp

Filesize
44KB

Download
memory/1540-49-0x0000000000060000-0x000000000006D000-memory.dmp

Filesize
52KB

Download
memory/1720-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1720-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2008-57-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2008-55-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2328-42-0x0000000000100000-0x0000000000127000-memory.dmp

Filesize
156KB

Download
memory/2328-41-0x0000000000060000-0x000000000006F000-memory.dmp

Filesize
60KB

Download
memory/2328-40-0x0000000000100000-0x0000000000127000-memory.dmp

Filesize
156KB

Download
memory/2396-39-0x0000000000060000-0x000000000006F000-memory.dmp

Filesize
60KB

Download
memory/2396-37-0x0000000000060000-0x000000000006F000-memory.dmp

Filesize
60KB

Download
memory/2396-38-0x0000000000100000-0x000000000010B000-memory.dmp

Filesize
44KB

Download
memory/2552-13-0x00000000001E0000-0x0000000000260000-memory.dmp

Filesize
512KB

Download
memory/2552-12-0x0000000000170000-0x00000000001DB000-memory.dmp

Filesize
428KB

Download
memory/2552-17-0x0000000000170000-0x00000000001DB000-memory.dmp

Filesize
428KB

Download
memory/2552-27-0x0000000000170000-0x00000000001DB000-memory.dmp

Filesize
428KB

Download
memory/2564-32-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2564-33-0x0000000000100000-0x000000000010B000-memory.dmp

Filesize
44KB

Download
memory/2564-31-0x0000000000100000-0x000000000010B000-memory.dmp

Filesize
44KB

Download
memory/2596-36-0x0000000000100000-0x000000000010B000-memory.dmp

Filesize
44KB

Download
memory/2596-34-0x0000000000100000-0x000000000010B000-memory.dmp

Filesize
44KB

Download
memory/2596-35-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2596-51-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2608-28-0x0000000000060000-0x000000000006C000-memory.dmp

Filesize
48KB

Download
memory/2608-30-0x0000000000060000-0x000000000006C000-memory.dmp

Filesize
48KB

Download
memory/2608-29-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2888-47-0x0000000000060000-0x000000000006D000-memory.dmp

Filesize
52KB

Download
memory/2888-46-0x00000000000C0000-0x00000000000CB000-memory.dmp

Filesize
44KB

Download
memory/2888-45-0x0000000000060000-0x000000000006D000-memory.dmp

Filesize
52KB

Download
memory/3032-52-0x0000000000100000-0x0000000000127000-memory.dmp

Filesize
156KB

Download
memory/3032-44-0x00000000000C0000-0x00000000000CB000-memory.dmp

Filesize
44KB

Download
memory/3032-43-0x00000000000C0000-0x00000000000CB000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads