smokeloader | 7f40d0fe270f72aec76ec5348630f3b354ea4dd010d60edcdd865693824981de

General

Target

7732.exe
Size

645KB
MD5

985eef0c558b24da15d417113acbf045
SHA1

e8eeeb644b4498a8e27ebcc063d2a4f3c355eb83
SHA256

7f40d0fe270f72aec76ec5348630f3b354ea4dd010d60edcdd865693824981de
SHA512

6944467eeb9eb849a1a88b0a2c9cab6571c5c14b8f952064a3c261a7801da8a47fb979176dbf22d1c671fe5dee4ddccaee69dd6606835f91cbf666624c25db03

Score

10^/10

smokeloader backdoor trojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://194.147.115.103/

https://194.147.115.103/

rc4.i32

Signatures

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

Processes:

pid process

1236
Loads dropped DLL 1 IoCs

Processes:

7732.exe

pid process

1488 7732.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

7732.exe

description pid process target process

PID 1844 set thread context of 1488 1844 7732.exe 7732.exe

pid	process
1236

description	pid	process	target process
PID 1844 set thread context of 1488	1844	7732.exe	7732.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:

7732.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	7732.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	7732.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	7732.exe

Suspicious behavior: EnumeratesProcesses 830 IoCs

Processes:

7732.exe

pid	process
1488	7732.exe
1488	7732.exe
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236

Suspicious behavior: MapViewOfSection 21 IoCs

Processes:

7732.exe

pid process

1488 7732.exe
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
1236
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

pid process

1236
1236
1236
1236
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

pid process

1236
1236
1236
1236

pid	process
1236
1236
1236
1236

pid	process
1236
1236
1236
1236

Suspicious use of WriteProcessMemory 52 IoCs

Processes:

7732.exe

description	pid	process	target process
PID 1844 wrote to memory of 1488	1844	7732.exe	7732.exe
PID 1844 wrote to memory of 1488	1844	7732.exe	7732.exe
PID 1844 wrote to memory of 1488	1844	7732.exe	7732.exe
PID 1844 wrote to memory of 1488	1844	7732.exe	7732.exe
PID 1844 wrote to memory of 1488	1844	7732.exe	7732.exe
PID 1844 wrote to memory of 1488	1844	7732.exe	7732.exe
PID 1236 wrote to memory of 1284	1236		explorer.exe
PID 1236 wrote to memory of 1284	1236		explorer.exe
PID 1236 wrote to memory of 1284	1236		explorer.exe
PID 1236 wrote to memory of 1284	1236		explorer.exe
PID 1236 wrote to memory of 1284	1236		explorer.exe
PID 1236 wrote to memory of 1524	1236		explorer.exe
PID 1236 wrote to memory of 1524	1236		explorer.exe
PID 1236 wrote to memory of 1524	1236		explorer.exe
PID 1236 wrote to memory of 1524	1236		explorer.exe
PID 1236 wrote to memory of 848	1236		explorer.exe
PID 1236 wrote to memory of 848	1236		explorer.exe
PID 1236 wrote to memory of 848	1236		explorer.exe
PID 1236 wrote to memory of 848	1236		explorer.exe
PID 1236 wrote to memory of 848	1236		explorer.exe
PID 1236 wrote to memory of 1596	1236		explorer.exe
PID 1236 wrote to memory of 1596	1236		explorer.exe
PID 1236 wrote to memory of 1596	1236		explorer.exe
PID 1236 wrote to memory of 1596	1236		explorer.exe
PID 1236 wrote to memory of 1596	1236		explorer.exe
PID 1236 wrote to memory of 760	1236		explorer.exe
PID 1236 wrote to memory of 760	1236		explorer.exe
PID 1236 wrote to memory of 760	1236		explorer.exe
PID 1236 wrote to memory of 760	1236		explorer.exe
PID 1236 wrote to memory of 1708	1236		explorer.exe
PID 1236 wrote to memory of 1708	1236		explorer.exe
PID 1236 wrote to memory of 1708	1236		explorer.exe
PID 1236 wrote to memory of 1708	1236		explorer.exe
PID 1236 wrote to memory of 1708	1236		explorer.exe
PID 1236 wrote to memory of 1408	1236		explorer.exe
PID 1236 wrote to memory of 1408	1236		explorer.exe
PID 1236 wrote to memory of 1408	1236		explorer.exe
PID 1236 wrote to memory of 1408	1236		explorer.exe
PID 1236 wrote to memory of 1472	1236		explorer.exe
PID 1236 wrote to memory of 1472	1236		explorer.exe
PID 1236 wrote to memory of 1472	1236		explorer.exe
PID 1236 wrote to memory of 1472	1236		explorer.exe
PID 1236 wrote to memory of 1472	1236		explorer.exe
PID 1236 wrote to memory of 1212	1236		explorer.exe
PID 1236 wrote to memory of 1212	1236		explorer.exe
PID 1236 wrote to memory of 1212	1236		explorer.exe
PID 1236 wrote to memory of 1212	1236		explorer.exe
PID 1236 wrote to memory of 1524	1236		explorer.exe
PID 1236 wrote to memory of 1524	1236		explorer.exe
PID 1236 wrote to memory of 1524	1236		explorer.exe
PID 1236 wrote to memory of 1524	1236		explorer.exe
PID 1236 wrote to memory of 1524	1236		explorer.exe

C:\Users\Admin\AppData\Local\Temp\7732.exe
"C:\Users\Admin\AppData\Local\Temp\7732.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1844

C:\Users\Admin\AppData\Local\Temp\7732.exe
"C:\Users\Admin\AppData\Local\Temp\7732.exe"
2⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1488

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1284

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

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:848

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1596

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:760

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1708

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1408

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1472

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1212

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

\Users\Admin\AppData\Local\Temp\D6BB.tmp
MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
memory/760-51-0x0000000000000000-mapping.dmp

Download
memory/760-53-0x0000000000070000-0x0000000000079000-memory.dmp

Filesize
36KB

Download
memory/760-52-0x0000000000060000-0x000000000006F000-memory.dmp

Filesize
60KB

Download
memory/848-17-0x0000000000000000-mapping.dmp

Download
memory/848-19-0x00000000000D0000-0x00000000000D4000-memory.dmp

Filesize
16KB

Download
memory/848-18-0x00000000000C0000-0x00000000000C9000-memory.dmp

Filesize
36KB

Download
memory/1212-154-0x0000000000060000-0x000000000006D000-memory.dmp

Filesize
52KB

Download
memory/1212-155-0x0000000000070000-0x0000000000077000-memory.dmp

Filesize
28KB

Download
memory/1212-153-0x0000000000000000-mapping.dmp

Download
memory/1236-5-0x0000000002E30000-0x0000000002E45000-memory.dmp

Filesize
84KB

Download
memory/1284-7-0x00000000000F0000-0x000000000015B000-memory.dmp

Filesize
428KB

Download
memory/1284-8-0x00000000001F0000-0x0000000000264000-memory.dmp

Filesize
464KB

Download
memory/1284-6-0x0000000000000000-mapping.dmp

Download
memory/1408-117-0x0000000000060000-0x000000000006C000-memory.dmp

Filesize
48KB

Download
memory/1408-116-0x0000000000000000-mapping.dmp

Download
memory/1408-118-0x0000000000070000-0x0000000000076000-memory.dmp

Filesize
24KB

Download
memory/1472-152-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/1472-150-0x0000000000000000-mapping.dmp

Download
memory/1472-151-0x0000000000080000-0x000000000008B000-memory.dmp

Filesize
44KB

Download
memory/1488-2-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1488-3-0x0000000000402E39-mapping.dmp

Download
memory/1524-15-0x0000000000070000-0x0000000000077000-memory.dmp

Filesize
28KB

Download
memory/1524-14-0x0000000000060000-0x000000000006C000-memory.dmp

Filesize
48KB

Download
memory/1524-13-0x0000000000000000-mapping.dmp

Download
memory/1524-156-0x0000000000000000-mapping.dmp

Download
memory/1524-158-0x0000000000090000-0x0000000000098000-memory.dmp

Filesize
32KB

Download
memory/1524-157-0x0000000000080000-0x000000000008B000-memory.dmp

Filesize
44KB

Download
memory/1596-21-0x0000000000080000-0x000000000008B000-memory.dmp

Filesize
44KB

Download
memory/1596-20-0x0000000000000000-mapping.dmp

Download
memory/1596-22-0x0000000000090000-0x0000000000097000-memory.dmp

Filesize
28KB

Download
memory/1708-84-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/1708-83-0x0000000000000000-mapping.dmp

Download
memory/1708-85-0x0000000000090000-0x0000000000095000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads