smokeloader | c8baca5b39f860e63c00b27f50ef2dc6e308d0cfef5d27f49348f32ec70e9a92

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17-04-2024 14:52

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General

Target

dd02b4f83462302b06278dea2591a9d32ab4534743f96b44b24d642e55b721fb.exe
Size

312KB
MD5

3ed9f2c6339d6513940c15d4a58378af
SHA1

bd75e9514537bb38e9ba648c92a837e7d8d7b66d
SHA256

dd02b4f83462302b06278dea2591a9d32ab4534743f96b44b24d642e55b721fb
SHA512

530d1c04fd3acc0a35b54221ae5e25b4ab02fdf656bfda516bab009e94f292cffec83a8480cf95c3bacddc295a845206e6409658c837c3c78f0d1aca5cdf8036
SSDEEP

6144:V6xELH+Ym/eqLhvhXfRWK4Pg343g77ji:cxEL+HeqLh2K45QX

Score

10^/10

smokeloader pub1 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2020

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32

Signatures

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

Processes:

pid process

1228
Executes dropped EXE 2 IoCs

Processes:

E917.exeEF01.exe

pid process

2488 E917.exe
2464 EF01.exe

pid	process
1228

pid	process
2488	E917.exe
2464	EF01.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:

dd02b4f83462302b06278dea2591a9d32ab4534743f96b44b24d642e55b721fb.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	dd02b4f83462302b06278dea2591a9d32ab4534743f96b44b24d642e55b721fb.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	dd02b4f83462302b06278dea2591a9d32ab4534743f96b44b24d642e55b721fb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	dd02b4f83462302b06278dea2591a9d32ab4534743f96b44b24d642e55b721fb.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

dd02b4f83462302b06278dea2591a9d32ab4534743f96b44b24d642e55b721fb.exe

pid	process
2856	dd02b4f83462302b06278dea2591a9d32ab4534743f96b44b24d642e55b721fb.exe
2856	dd02b4f83462302b06278dea2591a9d32ab4534743f96b44b24d642e55b721fb.exe
1228
1228
1228
1228
1228
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1228
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1228
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1228

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

dd02b4f83462302b06278dea2591a9d32ab4534743f96b44b24d642e55b721fb.exe

pid process

2856 dd02b4f83462302b06278dea2591a9d32ab4534743f96b44b24d642e55b721fb.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

pid process

1228
1228
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

pid process

1228
1228

pid	process
1228
1228

pid	process
1228
1228

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

description	pid	target process
PID 1228 wrote to memory of 2488	1228	E917.exe
PID 1228 wrote to memory of 2488	1228	E917.exe
PID 1228 wrote to memory of 2488	1228	E917.exe
PID 1228 wrote to memory of 2488	1228	E917.exe
PID 1228 wrote to memory of 2488	1228	E917.exe
PID 1228 wrote to memory of 2488	1228	E917.exe
PID 1228 wrote to memory of 2488	1228	E917.exe
PID 1228 wrote to memory of 2464	1228	EF01.exe
PID 1228 wrote to memory of 2464	1228	EF01.exe
PID 1228 wrote to memory of 2464	1228	EF01.exe
PID 1228 wrote to memory of 2464	1228	EF01.exe

C:\Users\Admin\AppData\Local\Temp\dd02b4f83462302b06278dea2591a9d32ab4534743f96b44b24d642e55b721fb.exe
"C:\Users\Admin\AppData\Local\Temp\dd02b4f83462302b06278dea2591a9d32ab4534743f96b44b24d642e55b721fb.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2856

C:\Users\Admin\AppData\Local\Temp\E917.exe
C:\Users\Admin\AppData\Local\Temp\E917.exe
1⤵
- Executes dropped EXE
PID:2488

C:\Users\Admin\AppData\Local\Temp\EF01.exe
C:\Users\Admin\AppData\Local\Temp\EF01.exe
1⤵
- Executes dropped EXE
PID:2464

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\E917.exe
Filesize
5.0MB

MD5
10ef283264e5050eb40f465feabeea60

SHA1
5c2b60ad7c2089db827532fed6069bdf74b505f8

SHA256
6d45d61463e3521aa6d3d31bd7e953d38c6381c0e1b526dcb28c7f2786669eb6

SHA512
c4e4080840991a829b05c76a55f6da6bffc9f618c7a1214d4d0b84e6e714d7b0e5646a99a5d92188f71801e6b7269069728f328d3a3b3fda577191372f399080

Download Submit
C:\Users\Admin\AppData\Local\Temp\EF01.exe
Filesize
385KB

MD5
bdbfccc2b71c0d7f9de70aba81597b52

SHA1
ebb97f2a7fe51ff607a1d1b7557c995dd1cc275a

SHA256
082e8792e48e6ae0b16330f6bde833c42158ba2c9b75fad31ebc3d939f8a0042

SHA512
fba755745e82b6acd1e74e15ce9bc729a9b0e85bbb1975959c1b5d7ab1e6859efc715de87c3f4b6ef4bb21a25d9246142e96323cfc5d732ae6007b4690dcd417

Download Submit
memory/1228-5-0x0000000002B50000-0x0000000002B66000-memory.dmp

Filesize
88KB

Download
memory/2464-24-0x0000000000010000-0x0000000000076000-memory.dmp

Filesize
408KB

Download
memory/2464-27-0x0000000000010000-0x0000000000076000-memory.dmp

Filesize
408KB

Download
memory/2856-1-0x0000000000940000-0x0000000000A40000-memory.dmp

Filesize
1024KB

Download
memory/2856-2-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2856-3-0x0000000000400000-0x000000000086F000-memory.dmp

Filesize
4.4MB

Download
memory/2856-6-0x0000000000400000-0x000000000086F000-memory.dmp

Filesize
4.4MB

Download
memory/2856-9-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download