smokeloader | de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff

Analysis

max time kernel
151s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2022 04:44

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General

Target

de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe
Size

274KB
MD5

1f6c3ca67c5c8ba25586cf3dcfc092fa
SHA1

0b890781827011488566dd24a01fecdf81bba422
SHA256

de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff
SHA512

4ef443e2fe5b652bd38dadbe1d9208267f20eb45c0dac9a600bf00b4a92e08f1f06be81a6f42659de83ee72efc5d8c81769e888ce77d7f5e15df1b45d0442552
SSDEEP

6144:4t7d2ssmt1pcsMuDauZnvnGwIDcy1CtVS:4t52EtFMuDrZn/QDcoCtVS

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/384-133-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/3796-135-0x00000000004B0000-0x00000000004B9000-memory.dmp	family_smokeloader
behavioral1/memory/384-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/384-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader

Suspicious use of SetThreadContext 1 IoCs

Processes:

de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe

description	pid	process	target process
PID 3796 set thread context of 384	3796	de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe	de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.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:

de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe

pid	process
384	de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe
384	de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

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Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe

pid process

384 de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe

pid	process
2440

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe

description	pid	process	target process
PID 3796 wrote to memory of 384	3796	de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe	de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe
PID 3796 wrote to memory of 384	3796	de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe	de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe
PID 3796 wrote to memory of 384	3796	de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe	de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe
PID 3796 wrote to memory of 384	3796	de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe	de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe
PID 3796 wrote to memory of 384	3796	de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe	de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe
PID 3796 wrote to memory of 384	3796	de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe	de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe

C:\Users\Admin\AppData\Local\Temp\de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe
"C:\Users\Admin\AppData\Local\Temp\de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3796

C:\Users\Admin\AppData\Local\Temp\de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe
"C:\Users\Admin\AppData\Local\Temp\de97cb8ac270803038f51586f061bce7575a6df7c8f51087a2ba5654658fe8ff.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:384

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/384-132-0x0000000000000000-mapping.dmp

Download
memory/384-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/384-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/384-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3796-134-0x00000000004D8000-0x00000000004E9000-memory.dmp

Filesize
68KB

Download
memory/3796-135-0x00000000004B0000-0x00000000004B9000-memory.dmp

Filesize
36KB

Download