smokeloader | 955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74

General

Target

955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exe
Size

186KB
MD5

d81512bd12192d7e4522f181b0f76473
SHA1

c78e87e2f7d2d7241bf196ccd074d4e07e92bae0
SHA256

955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74
SHA512

186b6b58ee6b20d9d73bb0846729c2227da329573b46d495106e5c93ec3a3b5dd2d8d841e390b8ead01eea622ff491e6f5eebeadcf01c36e75218bad861f67b5
SSDEEP

3072:8MBJnFs/X9JLmDeiUWW+lD65P3Wz9nu+wVQUz6/Uvl3Xm56c4u8aYZli:fn+LXiUN+WWzAnVQXel3Xm56c4faYZM

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3476-133-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1960-135-0x00000000007D0000-0x00000000007D9000-memory.dmp	family_smokeloader
behavioral1/memory/3476-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/3476-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/3972-144-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/3972-145-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Processes:

ejurasiejurasi

pid process

3140 ejurasi
3972 ejurasi

pid	process
3140	ejurasi
3972	ejurasi

Suspicious use of SetThreadContext 2 IoCs

Processes:

955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exeejurasi

description	pid	process	target process
PID 1960 set thread context of 3476	1960	955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exe	955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exe
PID 3140 set thread context of 3972	3140	ejurasi	ejurasi

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:

955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exeejurasi

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ejurasi
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ejurasi
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ejurasi

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exe

pid	process
3476	955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exe
3476	955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

516
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exeejurasi

pid process

3476 955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exe
3972 ejurasi
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

description pid process

Token: SeShutdownPrivilege 516
Token: SeCreatePagefilePrivilege 516

pid	process
516

description	pid	process
Token: SeShutdownPrivilege	516
Token: SeCreatePagefilePrivilege	516

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exeejurasi

description	pid	process	target process
PID 1960 wrote to memory of 3476	1960	955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exe	955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exe
PID 1960 wrote to memory of 3476	1960	955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exe	955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exe
PID 1960 wrote to memory of 3476	1960	955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exe	955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exe
PID 1960 wrote to memory of 3476	1960	955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exe	955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exe
PID 1960 wrote to memory of 3476	1960	955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exe	955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exe
PID 1960 wrote to memory of 3476	1960	955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exe	955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exe
PID 3140 wrote to memory of 3972	3140	ejurasi	ejurasi
PID 3140 wrote to memory of 3972	3140	ejurasi	ejurasi
PID 3140 wrote to memory of 3972	3140	ejurasi	ejurasi
PID 3140 wrote to memory of 3972	3140	ejurasi	ejurasi
PID 3140 wrote to memory of 3972	3140	ejurasi	ejurasi
PID 3140 wrote to memory of 3972	3140	ejurasi	ejurasi

C:\Users\Admin\AppData\Local\Temp\955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exe
"C:\Users\Admin\AppData\Local\Temp\955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1960

C:\Users\Admin\AppData\Local\Temp\955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exe
"C:\Users\Admin\AppData\Local\Temp\955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3476

C:\Users\Admin\AppData\Roaming\ejurasi
C:\Users\Admin\AppData\Roaming\ejurasi
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3140

C:\Users\Admin\AppData\Roaming\ejurasi
C:\Users\Admin\AppData\Roaming\ejurasi
2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:3972

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

C:\Users\Admin\AppData\Roaming\ejurasi
Filesize
186KB

MD5
d81512bd12192d7e4522f181b0f76473

SHA1
c78e87e2f7d2d7241bf196ccd074d4e07e92bae0

SHA256
955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74

SHA512
186b6b58ee6b20d9d73bb0846729c2227da329573b46d495106e5c93ec3a3b5dd2d8d841e390b8ead01eea622ff491e6f5eebeadcf01c36e75218bad861f67b5

Download Submit
C:\Users\Admin\AppData\Roaming\ejurasi
Filesize
186KB

MD5
d81512bd12192d7e4522f181b0f76473

SHA1
c78e87e2f7d2d7241bf196ccd074d4e07e92bae0

SHA256
955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74

SHA512
186b6b58ee6b20d9d73bb0846729c2227da329573b46d495106e5c93ec3a3b5dd2d8d841e390b8ead01eea622ff491e6f5eebeadcf01c36e75218bad861f67b5

Download Submit
C:\Users\Admin\AppData\Roaming\ejurasi
Filesize
186KB

MD5
d81512bd12192d7e4522f181b0f76473

SHA1
c78e87e2f7d2d7241bf196ccd074d4e07e92bae0

SHA256
955a4b0cb405875bc30413b0469ea20523aebd5555e6fb05af1e3cb6c5396f74

SHA512
186b6b58ee6b20d9d73bb0846729c2227da329573b46d495106e5c93ec3a3b5dd2d8d841e390b8ead01eea622ff491e6f5eebeadcf01c36e75218bad861f67b5

Download Submit
memory/1960-135-0x00000000007D0000-0x00000000007D9000-memory.dmp

Filesize
36KB

Download
memory/1960-134-0x000000000068D000-0x000000000069E000-memory.dmp

Filesize
68KB

Download
memory/3140-140-0x000000000071D000-0x000000000072D000-memory.dmp

Filesize
64KB

Download
memory/3476-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3476-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3476-132-0x0000000000000000-mapping.dmp

Download
memory/3476-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3972-141-0x0000000000000000-mapping.dmp

Download
memory/3972-144-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3972-145-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads