smokeloader | 5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e

Analysis

max time kernel
150s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-09-2022 06:37

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General

Target

5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe
Size

169KB
MD5

58ccf6667aae844634480ea231a3679f
SHA1

d30bf4687d435ff87e935156919ba793818150a0
SHA256

5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e
SHA512

1c5a21dcb7bcc120d2a1d0e4d9f4117fd3146f3742679217c54336719e18b597aeba86436384b2e08fbaa155998a31568a4a8e860daf7b67870b572ec04492a2
SSDEEP

3072:tK8LjEr5Ms7rWG5D3GWHGteBBhYd0B/n/PkWDn:jLIKs7rWC3JOG

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/532-133-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4964-135-0x0000000000720000-0x0000000000729000-memory.dmp	family_smokeloader
behavioral1/memory/532-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/532-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe

description	pid	process	target process
PID 4964 set thread context of 532	4964	5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe	5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.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:

5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe

pid	process
532	5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe
532	5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

3064
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe

pid process

532 5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe

pid	process
3064

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe

description	pid	process	target process
PID 4964 wrote to memory of 532	4964	5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe	5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe
PID 4964 wrote to memory of 532	4964	5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe	5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe
PID 4964 wrote to memory of 532	4964	5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe	5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe
PID 4964 wrote to memory of 532	4964	5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe	5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe
PID 4964 wrote to memory of 532	4964	5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe	5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe
PID 4964 wrote to memory of 532	4964	5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe	5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe

C:\Users\Admin\AppData\Local\Temp\5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe
"C:\Users\Admin\AppData\Local\Temp\5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4964

C:\Users\Admin\AppData\Local\Temp\5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe
"C:\Users\Admin\AppData\Local\Temp\5947a20adc3e785baaba02f8dbeb489f9d9e6b2c669a38cdd99f665f3d21d80e.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:532

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

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Downloads

memory/532-132-0x0000000000000000-mapping.dmp

Download
memory/532-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/532-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/532-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4964-134-0x0000000000759000-0x0000000000769000-memory.dmp

Filesize
64KB

Download
memory/4964-135-0x0000000000720000-0x0000000000729000-memory.dmp

Filesize
36KB

Download