smokeloader | 843ad82984513d049fcbf1258c0a2cf71fd519ad98a272e54ea95d42422a24bb

General

Target

843ad82984513d049fcbf1258c0a2cf71fd519ad98a272e54ea95d42422a24bb.exe
Size

213KB
MD5

29c2d7eec8802f3967aafcd0d16628b1
SHA1

efe099762635d1d6284afb88225029bf89adec5d
SHA256

843ad82984513d049fcbf1258c0a2cf71fd519ad98a272e54ea95d42422a24bb
SHA512

755316646a0fcf8fef69832e33e8c611eb02e9e88e6416f7a19c499acab82f9a0e15d49fa92de70aaa5085f05a591e33456f8df61af5534cdb43c3f652e1502a
SSDEEP

3072:XG6IE/WIaxT8XyWiTmZTb05a+f4IOCX9:N/0oXyWiTQh+fN

Score

10^/10

smokeloader pub1 backdoor persistence trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2022

C2

http://trad-einmyus.com/index.php

http://tradein-myus.com/index.php

http://trade-inmyus.com/index.php

rc4.i32

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Downloads MZ/PE file

Modifies Installed Components in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

Deletes itself 1 IoCs

Processes:

pid process

1200
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

36 drive.google.com
37 drive.google.com

pid	process
1200

flow	ioc
36	drive.google.com
37	drive.google.com

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:

843ad82984513d049fcbf1258c0a2cf71fd519ad98a272e54ea95d42422a24bb.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	843ad82984513d049fcbf1258c0a2cf71fd519ad98a272e54ea95d42422a24bb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	843ad82984513d049fcbf1258c0a2cf71fd519ad98a272e54ea95d42422a24bb.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	843ad82984513d049fcbf1258c0a2cf71fd519ad98a272e54ea95d42422a24bb.exe

Modifies registry class 5 IoCs

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

843ad82984513d049fcbf1258c0a2cf71fd519ad98a272e54ea95d42422a24bb.exe

pid	process
2088	843ad82984513d049fcbf1258c0a2cf71fd519ad98a272e54ea95d42422a24bb.exe
2088	843ad82984513d049fcbf1258c0a2cf71fd519ad98a272e54ea95d42422a24bb.exe
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Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

843ad82984513d049fcbf1258c0a2cf71fd519ad98a272e54ea95d42422a24bb.exe

pid process

2088 843ad82984513d049fcbf1258c0a2cf71fd519ad98a272e54ea95d42422a24bb.exe

Suspicious use of AdjustPrivilegeToken 12 IoCs

Processes:

explorer.exe

description	pid	process
Token: SeShutdownPrivilege	2324	explorer.exe
Token: SeShutdownPrivilege	2324	explorer.exe
Token: SeShutdownPrivilege	2324	explorer.exe
Token: SeShutdownPrivilege	2324	explorer.exe
Token: SeShutdownPrivilege	2324	explorer.exe
Token: SeShutdownPrivilege	2324	explorer.exe
Token: SeShutdownPrivilege	2324	explorer.exe
Token: SeShutdownPrivilege	2324	explorer.exe
Token: SeShutdownPrivilege	2324	explorer.exe
Token: SeShutdownPrivilege	2324	explorer.exe
Token: SeShutdownPrivilege	2324	explorer.exe
Token: SeShutdownPrivilege	2324	explorer.exe

Suspicious use of FindShellTrayWindow 28 IoCs

Processes:

explorer.exe

pid	process
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe

Suspicious use of SendNotifyMessage 22 IoCs

Processes:

explorer.exe

pid	process
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe
2324	explorer.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

cmd.execmd.exe

description	pid	process	target process
PID 1200 wrote to memory of 2640	1200		cmd.exe
PID 1200 wrote to memory of 2640	1200		cmd.exe
PID 1200 wrote to memory of 2640	1200		cmd.exe
PID 2640 wrote to memory of 2648	2640	cmd.exe	reg.exe
PID 2640 wrote to memory of 2648	2640	cmd.exe	reg.exe
PID 2640 wrote to memory of 2648	2640	cmd.exe	reg.exe
PID 1200 wrote to memory of 2644	1200		cmd.exe
PID 1200 wrote to memory of 2644	1200		cmd.exe
PID 1200 wrote to memory of 2644	1200		cmd.exe
PID 2644 wrote to memory of 1948	2644	cmd.exe	reg.exe
PID 2644 wrote to memory of 1948	2644	cmd.exe	reg.exe
PID 2644 wrote to memory of 1948	2644	cmd.exe	reg.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\843ad82984513d049fcbf1258c0a2cf71fd519ad98a272e54ea95d42422a24bb.exe
"C:\Users\Admin\AppData\Local\Temp\843ad82984513d049fcbf1258c0a2cf71fd519ad98a272e54ea95d42422a24bb.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2088

C:\Windows\system32\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\78C8.bat" "
1⤵
- Suspicious use of WriteProcessMemory
PID:2640

C:\Windows\system32\reg.exe
reg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 1
2⤵
PID:2648

C:\Windows\system32\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\898B.bat" "
1⤵
- Suspicious use of WriteProcessMemory
PID:2644

C:\Windows\system32\reg.exe
reg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 1
2⤵
PID:1948

C:\Windows\explorer.exe
explorer.exe
1⤵
- Modifies Installed Components in the registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2324

C:\Users\Admin\AppData\Local\Temp\5A6F.exe
C:\Users\Admin\AppData\Local\Temp\5A6F.exe
2⤵
PID:2388

C:\Windows\system32\taskeng.exe
taskeng.exe {0630DE19-F90F-4C52-865F-A1886846048D} S-1-5-21-1298544033-3225604241-2703760938-1000:IZKCKOTP\Admin:Interactive:[1]
1⤵
PID:1048

C:\Users\Admin\AppData\Roaming\jftvtab
C:\Users\Admin\AppData\Roaming\jftvtab
2⤵
PID:1488

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1

T1102

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\5A6F.exe
Filesize
316KB

MD5
31c1a4fd4d9061b1b89f2c18413851a6

SHA1
91f1aa536877b321f15750b01f6f962f2a04f953

SHA256
1a5b6e1fd914c2bc09e0b77c6543c6ed74a1ea00a7730d22d52c38f2ae416750

SHA512
b0e6469943f1f20687de88d681e7c95ebc74a56c6a40e0379ab7144b4eb3bbb3969ff991e12d7f4992d7f8c18b5360c7cf2de1a6ea168a7275093bed1a0abb5e

Download Submit
C:\Users\Admin\AppData\Local\Temp\78C8.bat
Filesize
77B

MD5
55cc761bf3429324e5a0095cab002113

SHA1
2cc1ef4542a4e92d4158ab3978425d517fafd16d

SHA256
d6cceb3c71b80403364bf142f2fa4624ee0be36a49bac25ed45a497cf1ce9c3a

SHA512
33f9f5cad22d291077787c7df510806e4ac31f453d288712595af6debe579fabed6cdf4662e46e6fa94de135b161e739f55cfae05c36c87af85ed6a6ad1c9155

Download Submit
C:\Users\Admin\AppData\Roaming\jftvtab
Filesize
213KB

MD5
29c2d7eec8802f3967aafcd0d16628b1

SHA1
efe099762635d1d6284afb88225029bf89adec5d

SHA256
843ad82984513d049fcbf1258c0a2cf71fd519ad98a272e54ea95d42422a24bb

SHA512
755316646a0fcf8fef69832e33e8c611eb02e9e88e6416f7a19c499acab82f9a0e15d49fa92de70aaa5085f05a591e33456f8df61af5534cdb43c3f652e1502a

Download Submit
memory/1200-4-0x0000000002500000-0x0000000002516000-memory.dmp

Filesize
88KB

Download
memory/1200-32-0x00000000024D0000-0x00000000024D1000-memory.dmp

Filesize
4KB

Download
memory/1488-38-0x0000000000400000-0x0000000002722000-memory.dmp

Filesize
35.1MB

Download
memory/2088-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2088-5-0x0000000000400000-0x0000000002722000-memory.dmp

Filesize
35.1MB

Download
memory/2088-1-0x0000000000230000-0x0000000000330000-memory.dmp

Filesize
1024KB

Download
memory/2088-2-0x00000000003A0000-0x00000000003AB000-memory.dmp

Filesize
44KB

Download
memory/2088-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2324-37-0x00000000045E0000-0x00000000045F6000-memory.dmp

Filesize
88KB

Download
memory/2388-48-0x0000000000400000-0x000000000273C000-memory.dmp

Filesize
35.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads