smokeloader | 52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e

General

Target

52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exe
Size

185KB
MD5

078caf808f799488a2e0fa74d5a932ed
SHA1

ece0d182d599f834c4b57a07fd07929e6bacfddf
SHA256

52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e
SHA512

6d1c0c7c5fc4b1f025e60ade6fa69285dd13f6e74119c39e9a887eaa390c11638e46d08a9d81eff8d1859a9c43a45818dbc7b878904a611cc8c1b2c90bcb55e8
SSDEEP

3072:/iNJhQ8Hp2r1L944lWn0s5HDxWJ7fNWmpsC/29ltcF4VvOJ:6N58L944lEl1WJPFWnJVv

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/372-133-0x00000000007E0000-0x00000000007E9000-memory.dmp	family_smokeloader
behavioral1/memory/5020-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/5020-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/5020-139-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/5020-140-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/3060-147-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/3060-148-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Processes:

bhuwsjtbhuwsjt

pid process

456 bhuwsjt
3060 bhuwsjt

pid	process
456	bhuwsjt
3060	bhuwsjt

Suspicious use of SetThreadContext 2 IoCs

Processes:

52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exebhuwsjt

description	pid	process	target process
PID 372 set thread context of 5020	372	52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exe	52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exe
PID 456 set thread context of 3060	456	bhuwsjt	bhuwsjt

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:

52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exebhuwsjt

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bhuwsjt
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bhuwsjt
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bhuwsjt

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exe

pid	process
5020	52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exe
5020	52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

1192
Suspicious behavior: MapViewOfSection 2 IoCs

Processes:

52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exebhuwsjt

pid process

5020 52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exe
3060 bhuwsjt
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

description pid process

Token: SeShutdownPrivilege 1192
Token: SeCreatePagefilePrivilege 1192

pid	process
1192

description	pid	process
Token: SeShutdownPrivilege	1192
Token: SeCreatePagefilePrivilege	1192

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exebhuwsjt

description	pid	process	target process
PID 372 wrote to memory of 5020	372	52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exe	52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exe
PID 372 wrote to memory of 5020	372	52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exe	52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exe
PID 372 wrote to memory of 5020	372	52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exe	52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exe
PID 372 wrote to memory of 5020	372	52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exe	52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exe
PID 372 wrote to memory of 5020	372	52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exe	52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exe
PID 372 wrote to memory of 5020	372	52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exe	52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exe
PID 456 wrote to memory of 3060	456	bhuwsjt	bhuwsjt
PID 456 wrote to memory of 3060	456	bhuwsjt	bhuwsjt
PID 456 wrote to memory of 3060	456	bhuwsjt	bhuwsjt
PID 456 wrote to memory of 3060	456	bhuwsjt	bhuwsjt
PID 456 wrote to memory of 3060	456	bhuwsjt	bhuwsjt
PID 456 wrote to memory of 3060	456	bhuwsjt	bhuwsjt

C:\Users\Admin\AppData\Local\Temp\52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exe
"C:\Users\Admin\AppData\Local\Temp\52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:372

C:\Users\Admin\AppData\Local\Temp\52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exe
"C:\Users\Admin\AppData\Local\Temp\52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:5020

C:\Users\Admin\AppData\Roaming\bhuwsjt
C:\Users\Admin\AppData\Roaming\bhuwsjt
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:456

C:\Users\Admin\AppData\Roaming\bhuwsjt
C:\Users\Admin\AppData\Roaming\bhuwsjt
2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:3060

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\bhuwsjt

Filesize
185KB

MD5
078caf808f799488a2e0fa74d5a932ed

SHA1
ece0d182d599f834c4b57a07fd07929e6bacfddf

SHA256
52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e

SHA512
6d1c0c7c5fc4b1f025e60ade6fa69285dd13f6e74119c39e9a887eaa390c11638e46d08a9d81eff8d1859a9c43a45818dbc7b878904a611cc8c1b2c90bcb55e8

Download Submit
C:\Users\Admin\AppData\Roaming\bhuwsjt

Filesize
185KB

MD5
078caf808f799488a2e0fa74d5a932ed

SHA1
ece0d182d599f834c4b57a07fd07929e6bacfddf

SHA256
52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e

SHA512
6d1c0c7c5fc4b1f025e60ade6fa69285dd13f6e74119c39e9a887eaa390c11638e46d08a9d81eff8d1859a9c43a45818dbc7b878904a611cc8c1b2c90bcb55e8

Download Submit
C:\Users\Admin\AppData\Roaming\bhuwsjt

Filesize
185KB

MD5
078caf808f799488a2e0fa74d5a932ed

SHA1
ece0d182d599f834c4b57a07fd07929e6bacfddf

SHA256
52471e1cc1cae54cc90cc19d7f06bd2a1f9c7a8a6a8fa22781f515333bbaf00e

SHA512
6d1c0c7c5fc4b1f025e60ade6fa69285dd13f6e74119c39e9a887eaa390c11638e46d08a9d81eff8d1859a9c43a45818dbc7b878904a611cc8c1b2c90bcb55e8

Download Submit
memory/372-133-0x00000000007E0000-0x00000000007E9000-memory.dmp

Filesize
36KB

Download
memory/372-134-0x000000000083E000-0x000000000084E000-memory.dmp

Filesize
64KB

Download
memory/372-132-0x000000000083E000-0x000000000084E000-memory.dmp

Filesize
64KB

Download
memory/372-138-0x000000000083E000-0x000000000084E000-memory.dmp

Filesize
64KB

Download
memory/456-143-0x00000000008DD000-0x00000000008ED000-memory.dmp

Filesize
64KB

Download
memory/3060-148-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3060-147-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3060-144-0x0000000000000000-mapping.dmp

Download
memory/5020-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/5020-140-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/5020-139-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/5020-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/5020-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads