smokeloader | 1658cc46119a0060850e09f244da2671f94825ed795a7e50cb0f6c1a6bd2bf4f

General

Target

eufive_20210923-213446.exe
Size

118KB
MD5

e9a66024f69e24e192dc5137b38055be
SHA1

8c02e95e9f0fae73a9c38f3042881bd6cd7d034f
SHA256

1658cc46119a0060850e09f244da2671f94825ed795a7e50cb0f6c1a6bd2bf4f
SHA512

d691a913133cc5b81af167c12cef2a8b46df7ecdf51eb07d9ce805460c126bfc4f671b738d9943d9e46298cda845c0e2c748f7086f1604829011bde1100f014a

Score

10^/10

smokeloader backdoor trojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://sokdikksiiefgsdf.cyou/

https://sokdikksiiefgsdf.cyou/

rc4.i32

Signatures

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

Processes:

pid process

1220

pid	process
1220

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:

eufive_20210923-213446.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	eufive_20210923-213446.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	eufive_20210923-213446.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	eufive_20210923-213446.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

eufive_20210923-213446.exe

pid	process
2016	eufive_20210923-213446.exe
2016	eufive_20210923-213446.exe
1220
1220
1220
1220
1220
1220
1220
1220
1220
1220
1220
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1220
1220
1220
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1220
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1220
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1220
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1220
1220
1220
1220
1220
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1220
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1220
1220

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

1220
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

eufive_20210923-213446.exe

pid process

2016 eufive_20210923-213446.exe
1220
1220
1220
1220
1220
1220
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

pid process

1220
1220
1220
1220
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

pid process

1220
1220
1220
1220

pid	process
1220

pid	process
1220
1220
1220
1220

pid	process
1220
1220
1220
1220

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

description	pid	target process
PID 1220 wrote to memory of 1120	1220	explorer.exe
PID 1220 wrote to memory of 1120	1220	explorer.exe
PID 1220 wrote to memory of 1120	1220	explorer.exe
PID 1220 wrote to memory of 1120	1220	explorer.exe
PID 1220 wrote to memory of 1120	1220	explorer.exe
PID 1220 wrote to memory of 300	1220	explorer.exe
PID 1220 wrote to memory of 300	1220	explorer.exe
PID 1220 wrote to memory of 300	1220	explorer.exe
PID 1220 wrote to memory of 300	1220	explorer.exe
PID 1220 wrote to memory of 1524	1220	explorer.exe
PID 1220 wrote to memory of 1524	1220	explorer.exe
PID 1220 wrote to memory of 1524	1220	explorer.exe
PID 1220 wrote to memory of 1524	1220	explorer.exe
PID 1220 wrote to memory of 1524	1220	explorer.exe

C:\Users\Admin\AppData\Local\Temp\eufive_20210923-213446.exe
"C:\Users\Admin\AppData\Local\Temp\eufive_20210923-213446.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2016

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1120

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:300

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1524

Network

MITRE ATT&CK Matrix ATT&CK v6

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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/300-68-0x0000000000000000-mapping.dmp

Download
memory/300-70-0x0000000000060000-0x000000000006C000-memory.dmp

Filesize
48KB

Download
memory/300-69-0x0000000000070000-0x0000000000077000-memory.dmp

Filesize
28KB

Download
memory/1120-66-0x00000000001C0000-0x0000000000234000-memory.dmp

Filesize
464KB

Download
memory/1120-63-0x0000000000000000-mapping.dmp

Download
memory/1120-65-0x0000000075231000-0x0000000075233000-memory.dmp

Filesize
8KB

Download
memory/1120-67-0x00000000000C0000-0x000000000012B000-memory.dmp

Filesize
428KB

Download
memory/1220-62-0x0000000003AF0000-0x0000000003B05000-memory.dmp

Filesize
84KB

Download
memory/1524-71-0x0000000000000000-mapping.dmp

Download
memory/1524-73-0x00000000750C1000-0x00000000750C3000-memory.dmp

Filesize
8KB

Download
memory/1524-75-0x0000000000080000-0x000000000008B000-memory.dmp

Filesize
44KB

Download
memory/1524-74-0x0000000000090000-0x0000000000098000-memory.dmp

Filesize
32KB

Download
memory/2016-59-0x0000000075D11000-0x0000000075D13000-memory.dmp

Filesize
8KB

Download
memory/2016-60-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2016-61-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads