smokeloader | e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984

General

Target

e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe
Size

312KB
MD5

8c7681f265518e57648779adcfd5ec97
SHA1

581beb026b505ce66dea78ff17140a6e4c353acc
SHA256

e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984
SHA512

65cf17a4b4b3e8b737aaf956accddeeb2ccb8ac73108ab486411944232d0b2cf4c66221aabac14124127daf1d86f5eaee54b73ee7bff95e348057cf0db0c472c

Score

10^/10

smokeloader backdoor trojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/

rc4.i32

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Executes dropped EXE 2 IoCs

Processes:

bututctbututct

pid process

2032 bututct
1736 bututct
Deletes itself 1 IoCs

Processes:

pid process

1276

pid	process
2032	bututct
1736	bututct

pid	process
1276

Suspicious use of SetThreadContext 2 IoCs

Processes:

e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exebututct

description	pid	process	target process
PID 524 set thread context of 1720	524	e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe	e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe
PID 2032 set thread context of 1736	2032	bututct	bututct

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:

e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exebututct

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bututct
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bututct
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bututct

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe

pid	process
1720	e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe
1720	e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
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1276
1276
1276
1276
1276
1276
1276
1276
1276
1276
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1276
1276
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1276
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1276
1276
1276
1276
1276
1276

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

1276
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exebututct

pid process

1720 e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe
1736 bututct
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

description pid process

Token: SeShutdownPrivilege 1276
Token: SeShutdownPrivilege 1276
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

pid process

1276
1276
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

pid process

1276
1276

pid	process
1276

description	pid	process
Token: SeShutdownPrivilege	1276
Token: SeShutdownPrivilege	1276

pid	process
1276
1276

pid	process
1276
1276

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exetaskeng.exebututct

description	pid	process	target process
PID 524 wrote to memory of 1720	524	e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe	e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe
PID 524 wrote to memory of 1720	524	e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe	e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe
PID 524 wrote to memory of 1720	524	e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe	e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe
PID 524 wrote to memory of 1720	524	e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe	e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe
PID 524 wrote to memory of 1720	524	e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe	e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe
PID 524 wrote to memory of 1720	524	e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe	e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe
PID 524 wrote to memory of 1720	524	e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe	e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe
PID 1772 wrote to memory of 2032	1772	taskeng.exe	bututct
PID 1772 wrote to memory of 2032	1772	taskeng.exe	bututct
PID 1772 wrote to memory of 2032	1772	taskeng.exe	bututct
PID 1772 wrote to memory of 2032	1772	taskeng.exe	bututct
PID 2032 wrote to memory of 1736	2032	bututct	bututct
PID 2032 wrote to memory of 1736	2032	bututct	bututct
PID 2032 wrote to memory of 1736	2032	bututct	bututct
PID 2032 wrote to memory of 1736	2032	bututct	bututct
PID 2032 wrote to memory of 1736	2032	bututct	bututct
PID 2032 wrote to memory of 1736	2032	bututct	bututct
PID 2032 wrote to memory of 1736	2032	bututct	bututct
PID 1772 wrote to memory of 952	1772	taskeng.exe	default-browser-agent.exe
PID 1772 wrote to memory of 952	1772	taskeng.exe	default-browser-agent.exe
PID 1772 wrote to memory of 952	1772	taskeng.exe	default-browser-agent.exe

C:\Users\Admin\AppData\Local\Temp\e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe
"C:\Users\Admin\AppData\Local\Temp\e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:524

C:\Users\Admin\AppData\Local\Temp\e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe
"C:\Users\Admin\AppData\Local\Temp\e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1720

C:\Windows\system32\taskeng.exe
taskeng.exe {CEE26CFB-7AFF-4E63-9331-D00144E6EF3B} S-1-5-21-103686315-404690609-2047157615-1000:EDWYFHKN\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1772

C:\Users\Admin\AppData\Roaming\bututct
C:\Users\Admin\AppData\Roaming\bututct
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2032

C:\Users\Admin\AppData\Roaming\bututct
C:\Users\Admin\AppData\Roaming\bututct
3⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1736

C:\Program Files\Mozilla Firefox\default-browser-agent.exe
"C:\Program Files\Mozilla Firefox\default-browser-agent.exe" do-task
2⤵
PID:952

C:\Windows\system32\taskeng.exe
taskeng.exe {60A103B3-5419-440F-A75D-3B8ADAB5E6BF} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
PID:1088

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

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Downloads

C:\Users\Admin\AppData\Roaming\bututct
MD5
8c7681f265518e57648779adcfd5ec97

SHA1
581beb026b505ce66dea78ff17140a6e4c353acc

SHA256
e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984

SHA512
65cf17a4b4b3e8b737aaf956accddeeb2ccb8ac73108ab486411944232d0b2cf4c66221aabac14124127daf1d86f5eaee54b73ee7bff95e348057cf0db0c472c

Download Submit
C:\Users\Admin\AppData\Roaming\bututct
MD5
8c7681f265518e57648779adcfd5ec97

SHA1
581beb026b505ce66dea78ff17140a6e4c353acc

SHA256
e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984

SHA512
65cf17a4b4b3e8b737aaf956accddeeb2ccb8ac73108ab486411944232d0b2cf4c66221aabac14124127daf1d86f5eaee54b73ee7bff95e348057cf0db0c472c

Download Submit
C:\Users\Admin\AppData\Roaming\bututct
MD5
8c7681f265518e57648779adcfd5ec97

SHA1
581beb026b505ce66dea78ff17140a6e4c353acc

SHA256
e94ed1fcc1cf44012a075bf53b076f75ab6565ac76fb18e0b32681cfc986f984

SHA512
65cf17a4b4b3e8b737aaf956accddeeb2ccb8ac73108ab486411944232d0b2cf4c66221aabac14124127daf1d86f5eaee54b73ee7bff95e348057cf0db0c472c

Download Submit
memory/524-55-0x0000000003338000-0x0000000003349000-memory.dmp

Filesize
68KB

Download
memory/524-59-0x0000000000020000-0x0000000000029000-memory.dmp

Filesize
36KB

Download
memory/952-70-0x0000000000000000-mapping.dmp

Download
memory/1276-69-0x00000000029A0000-0x00000000029B6000-memory.dmp

Filesize
88KB

Download
memory/1276-60-0x0000000002AD0000-0x0000000002AE6000-memory.dmp

Filesize
88KB

Download
memory/1720-58-0x00000000766B1000-0x00000000766B3000-memory.dmp

Filesize
8KB

Download
memory/1720-56-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1720-57-0x0000000000402F47-mapping.dmp

Download
memory/1736-66-0x0000000000402F47-mapping.dmp

Download
memory/2032-64-0x00000000033E8000-0x00000000033F9000-memory.dmp

Filesize
68KB

Download
memory/2032-62-0x0000000000000000-mapping.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads