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

3352
Executes dropped EXE 1 IoCs

Processes:

acgijea

pid process

1808 acgijea

pid	process
3352

pid	process
1808	acgijea

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

explorer.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	explorer.exe
Key opened	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	explorer.exe
Key opened	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\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.exeacgijea

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

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

12d3dc8a4fd8a2ebe6a839cce59920156d55e8d06fe2a5c95ad60419086877bb.exe

pid	process
1868	12d3dc8a4fd8a2ebe6a839cce59920156d55e8d06fe2a5c95ad60419086877bb.exe
1868	12d3dc8a4fd8a2ebe6a839cce59920156d55e8d06fe2a5c95ad60419086877bb.exe
3352
3352
3352
3352
3352
3352
3352
3352
3352
3352
3352
3352
3352
3352
3352
3352
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3352
3352
3352
3352
3352
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3352
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3352
3352
3352
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3352
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3352
3352
3352
3352
3352
3352
3352
3352
3352
3352
3352
3352
3352

Suspicious behavior: MapViewOfSection 20 IoCs

Processes:

12d3dc8a4fd8a2ebe6a839cce59920156d55e8d06fe2a5c95ad60419086877bb.exeacgijea

pid	process
1868	12d3dc8a4fd8a2ebe6a839cce59920156d55e8d06fe2a5c95ad60419086877bb.exe
3352
3352
3352
3352
3352
3352
3352
3352
3352
3352
3352
3352
3352
3352
3352
3352
3352
3352
1808	acgijea

Suspicious use of UnmapMainImage 1 IoCs

Processes:

pid process

3352

pid	process
3352

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

description	pid	target process
PID 3352 wrote to memory of 3132	3352	explorer.exe
PID 3352 wrote to memory of 3132	3352	explorer.exe
PID 3352 wrote to memory of 3132	3352	explorer.exe
PID 3352 wrote to memory of 3132	3352	explorer.exe
PID 3352 wrote to memory of 3664	3352	explorer.exe
PID 3352 wrote to memory of 3664	3352	explorer.exe
PID 3352 wrote to memory of 3664	3352	explorer.exe
PID 3352 wrote to memory of 2108	3352	explorer.exe
PID 3352 wrote to memory of 2108	3352	explorer.exe
PID 3352 wrote to memory of 2108	3352	explorer.exe
PID 3352 wrote to memory of 2108	3352	explorer.exe
PID 3352 wrote to memory of 3368	3352	explorer.exe
PID 3352 wrote to memory of 3368	3352	explorer.exe
PID 3352 wrote to memory of 3368	3352	explorer.exe
PID 3352 wrote to memory of 3368	3352	explorer.exe
PID 3352 wrote to memory of 2880	3352	explorer.exe
PID 3352 wrote to memory of 2880	3352	explorer.exe
PID 3352 wrote to memory of 2880	3352	explorer.exe
PID 3352 wrote to memory of 3752	3352	explorer.exe
PID 3352 wrote to memory of 3752	3352	explorer.exe
PID 3352 wrote to memory of 3752	3352	explorer.exe
PID 3352 wrote to memory of 3752	3352	explorer.exe
PID 3352 wrote to memory of 4348	3352	explorer.exe
PID 3352 wrote to memory of 4348	3352	explorer.exe
PID 3352 wrote to memory of 4348	3352	explorer.exe
PID 3352 wrote to memory of 4348	3352	explorer.exe
PID 3352 wrote to memory of 1156	3352	explorer.exe
PID 3352 wrote to memory of 1156	3352	explorer.exe
PID 3352 wrote to memory of 1156	3352	explorer.exe
PID 3352 wrote to memory of 432	3352	explorer.exe
PID 3352 wrote to memory of 432	3352	explorer.exe
PID 3352 wrote to memory of 432	3352	explorer.exe
PID 3352 wrote to memory of 432	3352	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

outlook_office_path 1 IoCs

Processes:

explorer.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\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-1-5-21-557049126-2506969350-2798870634-1000\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:1868

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
- Accesses Microsoft Outlook profiles
- outlook_office_path
- outlook_win_path
PID:3132

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:3664

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:2108

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3368

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:2880

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:3752

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:4348

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1156

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:432

C:\Users\Admin\AppData\Roaming\acgijea
C:\Users\Admin\AppData\Roaming\acgijea
1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1808

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

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

MD5
2cdffb841cfd9e2e729de2f02c47f8d1

SHA1
8d4e116bd2cfc57bfbe5f05308020e65f93d592d

SHA256
12d3dc8a4fd8a2ebe6a839cce59920156d55e8d06fe2a5c95ad60419086877bb

SHA512
8d344d0afba0eca49b4541b75c3e39dde3b75c9503bdddaf435b834699010852a0ada54fa2381c64bb31211dd9cf12eec0394c1f30700521ae849e29a4e7b90f

Download Submit
memory/432-58-0x0000000000F70000-0x0000000000F7B000-memory.dmp

Filesize
44KB

Download
memory/432-65-0x0000000000360000-0x000000000036D000-memory.dmp

Filesize
52KB

Download
memory/432-57-0x0000000000F70000-0x0000000000F7B000-memory.dmp

Filesize
44KB

Download
memory/1156-56-0x0000000000360000-0x000000000036D000-memory.dmp

Filesize
52KB

Download
memory/1156-54-0x0000000000360000-0x000000000036D000-memory.dmp

Filesize
52KB

Download
memory/1156-64-0x0000000000370000-0x0000000000377000-memory.dmp

Filesize
28KB

Download
memory/1156-55-0x0000000000370000-0x0000000000377000-memory.dmp

Filesize
28KB

Download
memory/1808-72-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1808-68-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1868-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1868-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2108-42-0x0000000000B80000-0x0000000000B8B000-memory.dmp

Filesize
44KB

Download
memory/2108-43-0x0000000000B80000-0x0000000000B8B000-memory.dmp

Filesize
44KB

Download
memory/2108-40-0x0000000000B90000-0x0000000000B9A000-memory.dmp

Filesize
40KB

Download
memory/2880-60-0x00000000009A0000-0x00000000009AB000-memory.dmp

Filesize
44KB

Download
memory/2880-46-0x0000000000DE0000-0x0000000000DEF000-memory.dmp

Filesize
60KB

Download
memory/2880-47-0x00000000009A0000-0x00000000009AB000-memory.dmp

Filesize
44KB

Download
memory/2880-48-0x0000000000DE0000-0x0000000000DEF000-memory.dmp

Filesize
60KB

Download
memory/3132-39-0x0000000000C10000-0x0000000000C7B000-memory.dmp

Filesize
428KB

Download
memory/3132-12-0x0000000000C80000-0x0000000000CF5000-memory.dmp

Filesize
468KB

Download
memory/3132-13-0x0000000000C10000-0x0000000000C7B000-memory.dmp

Filesize
428KB

Download
memory/3132-14-0x0000000000C10000-0x0000000000C7B000-memory.dmp

Filesize
428KB

Download
memory/3352-1-0x00000000035C0000-0x00000000035D6000-memory.dmp

Filesize
88KB

Download
memory/3352-69-0x0000000002BB0000-0x0000000002BC6000-memory.dmp

Filesize
88KB

Download
memory/3368-45-0x00000000009A0000-0x00000000009AB000-memory.dmp

Filesize
44KB

Download
memory/3368-44-0x00000000009A0000-0x00000000009AB000-memory.dmp

Filesize
44KB

Download
memory/3368-59-0x0000000000B80000-0x0000000000B8B000-memory.dmp

Filesize
44KB

Download
memory/3664-19-0x00000000007D0000-0x00000000007D7000-memory.dmp

Filesize
28KB

Download
memory/3664-18-0x00000000007C0000-0x00000000007CC000-memory.dmp

Filesize
48KB

Download
memory/3664-23-0x00000000007C0000-0x00000000007CC000-memory.dmp

Filesize
48KB

Download
memory/3752-50-0x0000000000C40000-0x0000000000C61000-memory.dmp

Filesize
132KB

Download
memory/3752-62-0x0000000000C10000-0x0000000000C37000-memory.dmp

Filesize
156KB

Download
memory/3752-61-0x0000000000C40000-0x0000000000C61000-memory.dmp

Filesize
132KB

Download
memory/3752-51-0x0000000000C10000-0x0000000000C37000-memory.dmp

Filesize
156KB

Download
memory/3752-49-0x0000000000C10000-0x0000000000C37000-memory.dmp

Filesize
156KB

Download
memory/4348-63-0x0000000000C10000-0x0000000000C37000-memory.dmp

Filesize
156KB

Download
memory/4348-53-0x00000000009C0000-0x00000000009CB000-memory.dmp

Filesize
44KB

Download
memory/4348-52-0x00000000009C0000-0x00000000009CB000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads