smokeloader | 32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77

Analysis

max time kernel
156s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2022 20:32

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General

Target

32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe
Size

146KB
MD5

f0e99980a9097a15a7ee8bd566683a56
SHA1

bc99e399cf0f421bec4aac0afb1214dc99215b0d
SHA256

32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77
SHA512

4b9933770fed08700d7caee92da27ae86b0ac7053fb06bf2137db5949caabee73bc7b14cada24c1be37754cb9b502cbccc22ae23542ed3ca799c97cac84d8d65
SSDEEP

3072:dD5YVbvU122Np5i/SiqmBS9h3el/Jc8o437Vg37:UVA12D/t7S9h6/28l747

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1380-133-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/3836-135-0x0000000002190000-0x0000000002199000-memory.dmp	family_smokeloader
behavioral1/memory/1380-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1380-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe

description	pid	process	target process
PID 3836 set thread context of 1380	3836	32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe	32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.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:

32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe

pid	process
1380	32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe
1380	32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

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Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe

pid process

1380 32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe

pid	process
3060

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe

description	pid	process	target process
PID 3836 wrote to memory of 1380	3836	32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe	32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe
PID 3836 wrote to memory of 1380	3836	32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe	32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe
PID 3836 wrote to memory of 1380	3836	32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe	32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe
PID 3836 wrote to memory of 1380	3836	32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe	32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe
PID 3836 wrote to memory of 1380	3836	32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe	32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe
PID 3836 wrote to memory of 1380	3836	32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe	32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe

C:\Users\Admin\AppData\Local\Temp\32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe
"C:\Users\Admin\AppData\Local\Temp\32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3836

C:\Users\Admin\AppData\Local\Temp\32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe
"C:\Users\Admin\AppData\Local\Temp\32aa10810985d2bb73d515ca8dfd54bebd9e3b3696dd95b2ee2f76374283eb77.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1380

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/1380-132-0x0000000000000000-mapping.dmp

Download
memory/1380-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1380-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1380-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3836-134-0x000000000048D000-0x000000000049D000-memory.dmp

Filesize
64KB

Download
memory/3836-135-0x0000000002190000-0x0000000002199000-memory.dmp

Filesize
36KB

Download