Behavioral Report

Analysis

max time kernel
150s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2023 10:46

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Report Files Registry Network Processes Mutex Misc

General

Target

b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe
Size

342KB
MD5

5348c31a3f41c19565ce702a47278bb8
SHA1

f3c5ca0d4ecec18f0d5ada603c6af5b979813c57
SHA256

b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d
SHA512

5ba6dbac0f563ba2d07c90b62309a2b5b10d7252f9ff6355b4966c4b703040c55876571711e30fd44fdf2335db281cfbcf13092ff3d61b1584c0052892e4bb72
SSDEEP

6144:GLOleIm5qNMEipEwRlJgOjq7VWRFBMolz90/9TP7m:GqlhwScjS7VWR5lzk5q

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer ⋅ 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4460-133-0x0000000002190000-0x0000000002199000-memory.dmp	family_smokeloader
behavioral1/memory/5108-135-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/5108-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/5108-138-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Suspicious use of SetThreadContext ⋅ 1 IoCs

Processes:

b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe

description	pid	process	target process
PID 4460 set thread context of 5108	4460	b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe	b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe

Checks SCSI registry key(s) ⋅ 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

TTPs:

Query Registry Peripheral Device Discovery System Information Discovery

Processes:

b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe

Suspicious behavior: EnumeratesProcesses ⋅ 64 IoCs

Processes:

b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe

pid	process
5108	b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe
5108	b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe
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Suspicious behavior: GetForegroundWindowSpam ⋅ 1 IoCs

Processes:

pid process

2596
Suspicious behavior: MapViewOfSection ⋅ 1 IoCs

Processes:

b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe

pid process

5108 b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe

pid	process
2596

Suspicious use of WriteProcessMemory ⋅ 6 IoCs

Processes:

b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe

description	pid	process	target process
PID 4460 wrote to memory of 5108	4460	b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe	b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe
PID 4460 wrote to memory of 5108	4460	b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe	b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe
PID 4460 wrote to memory of 5108	4460	b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe	b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe
PID 4460 wrote to memory of 5108	4460	b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe	b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe
PID 4460 wrote to memory of 5108	4460	b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe	b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe
PID 4460 wrote to memory of 5108	4460	b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe	b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe

C:\Users\Admin\AppData\Local\Temp\b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe

"C:\Users\Admin\AppData\Local\Temp\b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe"

Suspicious use of SetThreadContext
Suspicious use of WriteProcessMemory

PID:4460

C:\Users\Admin\AppData\Local\Temp\b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe

"C:\Users\Admin\AppData\Local\Temp\b1462d461fd850e3728e9c815379f7d5fe5029902125a7adc6a22ce0c623086d.exe"

Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection

PID:5108

Network

MITRE ATT&CK Matrix

Collection

Command and Control

Credential Access

Defense Evasion

Discovery

Execution

Exfiltration

Impact

Initial Access

Lateral Movement

Persistence

Privilege Escalation

Replay Monitor

00:00 00:00

Downloads

memory/4460-132-0x00000000005FE000-0x0000000000614000-memory.dmp

Filesize
88KB

Download
memory/4460-133-0x0000000002190000-0x0000000002199000-memory.dmp

Filesize
36KB

Download
memory/4460-136-0x00000000005FE000-0x0000000000614000-memory.dmp

Filesize
88KB

Download
memory/5108-134-0x0000000000000000-mapping.dmp

Download
memory/5108-135-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/5108-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/5108-138-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download