smokeloader | b9449abe5a4bf6ee410c9a43c9e27ee2f4bcad6956e0b3bd9a71c0191b09fbd4

General

Target

91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a.exe
Size

259KB
MD5

e5477d6420e21e75a4bb411a3947201a
SHA1

7120bf0ba0196ecc8cc04dd0c3166185ee3f7892
SHA256

91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a
SHA512

de56dddda25e1cf9c5835613e38375f463bbcabe858b846077359b704493ef75b14e6187f21f110103bde70cc61efe17e5dac6d229456271b33afa3406c7020d
SSDEEP

6144:K7vq2CD3/WTO/Ukgn4olUKm4shprkwnf8/9tQ:ERM3/WTO/dgxUWshprDnatQ

Score

10^/10

smokeloader pub1 backdoor 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
Deletes itself 1 IoCs

Processes:

pid process

1152
Executes dropped EXE 1 IoCs

Processes:

ajgbtij

pid process

2388 ajgbtij

pid	process
1152

pid	process
2388	ajgbtij

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:

ajgbtij91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ajgbtij
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ajgbtij
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ajgbtij

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a.exe

pid	process
2040	91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a.exe
2040	91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a.exe
1152
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1152

Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a.exeajgbtij

pid process

2040 91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a.exe
2388 ajgbtij

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

cmd.exetaskeng.exe

description	pid	process	target process
PID 1152 wrote to memory of 2676	1152		cmd.exe
PID 1152 wrote to memory of 2676	1152		cmd.exe
PID 1152 wrote to memory of 2676	1152		cmd.exe
PID 2676 wrote to memory of 2408	2676	cmd.exe	reg.exe
PID 2676 wrote to memory of 2408	2676	cmd.exe	reg.exe
PID 2676 wrote to memory of 2408	2676	cmd.exe	reg.exe
PID 2132 wrote to memory of 2388	2132	taskeng.exe	ajgbtij
PID 2132 wrote to memory of 2388	2132	taskeng.exe	ajgbtij
PID 2132 wrote to memory of 2388	2132	taskeng.exe	ajgbtij
PID 2132 wrote to memory of 2388	2132	taskeng.exe	ajgbtij

C:\Users\Admin\AppData\Local\Temp\91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a.exe
"C:\Users\Admin\AppData\Local\Temp\91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2040

C:\Windows\system32\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\711B.bat" "
1⤵
- Suspicious use of WriteProcessMemory
PID:2676

C:\Windows\system32\reg.exe
reg add "HKEY_CURRENT_USER\Software\clicker\key" /v primary /t REG_DWORD /d 1
2⤵
PID:2408

C:\Windows\system32\taskeng.exe
taskeng.exe {1C7E5A51-D3FA-4E71-9308-DBD3ED871C00} S-1-5-21-2721934792-624042501-2768869379-1000:BISMIZHX\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2132

C:\Users\Admin\AppData\Roaming\ajgbtij
C:\Users\Admin\AppData\Roaming\ajgbtij
2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2388

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\711B.bat
Filesize
77B

MD5
55cc761bf3429324e5a0095cab002113

SHA1
2cc1ef4542a4e92d4158ab3978425d517fafd16d

SHA256
d6cceb3c71b80403364bf142f2fa4624ee0be36a49bac25ed45a497cf1ce9c3a

SHA512
33f9f5cad22d291077787c7df510806e4ac31f453d288712595af6debe579fabed6cdf4662e46e6fa94de135b161e739f55cfae05c36c87af85ed6a6ad1c9155

Download Submit
C:\Users\Admin\AppData\Roaming\ajgbtij
Filesize
259KB

MD5
e5477d6420e21e75a4bb411a3947201a

SHA1
7120bf0ba0196ecc8cc04dd0c3166185ee3f7892

SHA256
91e8fd048fb5df071ba6e3d7917edcb53122d9cbd9e57dcf4b5e50c72d575c7a

SHA512
de56dddda25e1cf9c5835613e38375f463bbcabe858b846077359b704493ef75b14e6187f21f110103bde70cc61efe17e5dac6d229456271b33afa3406c7020d

Download Submit
memory/1152-4-0x0000000002A90000-0x0000000002AA6000-memory.dmp

Filesize
88KB

Download
memory/1152-25-0x0000000003E30000-0x0000000003E46000-memory.dmp

Filesize
88KB

Download
memory/2040-1-0x0000000000C90000-0x0000000000D90000-memory.dmp

Filesize
1024KB

Download
memory/2040-2-0x0000000000220000-0x000000000022B000-memory.dmp

Filesize
44KB

Download
memory/2040-3-0x0000000000400000-0x0000000000AEA000-memory.dmp

Filesize
6.9MB

Download
memory/2040-5-0x0000000000400000-0x0000000000AEA000-memory.dmp

Filesize
6.9MB

Download
memory/2388-23-0x0000000000F50000-0x0000000001050000-memory.dmp

Filesize
1024KB

Download
memory/2388-24-0x0000000000400000-0x0000000000AEA000-memory.dmp

Filesize
6.9MB

Download
memory/2388-26-0x0000000000400000-0x0000000000AEA000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads