smokeloader | 2eb013b595235d1c83f88c303c29ca5e380af3a22c60aaf29114ce54e637425c

Analysis

max time kernel
159s
max time network
163s
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 21:52

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General

Target

0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe
Size

147KB
MD5

a2cc54af7dfb0168fb124fe51b835011
SHA1

708b5e47fc20c187d71398950aac8af20a175db4
SHA256

0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94
SHA512

deeea29354f729cce56d238afc37f477e33b3fe881c8fdd8e708c911d29a6584040dc5fb01c8de8b10c7578d70942440c96350cf5722a1d4bf6d80a20ef06e24
SSDEEP

1536:XeszPydyBhTVMcZFkj6n0iPCMS5Np5nkeUXTd/j6oUd/lTwb19f/LIV08zdR/J:usDFEvauv5QDd/j6vd/lTUH8Jzz

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4332-133-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral2/memory/4976-135-0x0000000000C20000-0x0000000000C29000-memory.dmp	family_smokeloader
behavioral2/memory/4332-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral2/memory/4332-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe

description	pid	process	target process
PID 4976 set thread context of 4332	4976	0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe	0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.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:

0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe

pid	process
4332	0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe
4332	0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

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Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe

pid process

4332 0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe

pid	process
2824

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe

description	pid	process	target process
PID 4976 wrote to memory of 4332	4976	0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe	0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe
PID 4976 wrote to memory of 4332	4976	0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe	0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe
PID 4976 wrote to memory of 4332	4976	0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe	0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe
PID 4976 wrote to memory of 4332	4976	0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe	0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe
PID 4976 wrote to memory of 4332	4976	0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe	0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe
PID 4976 wrote to memory of 4332	4976	0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe	0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe

C:\Users\Admin\AppData\Local\Temp\0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe
"C:\Users\Admin\AppData\Local\Temp\0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4976

C:\Users\Admin\AppData\Local\Temp\0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe
"C:\Users\Admin\AppData\Local\Temp\0646e0137c7eb1695c108babd0a629c8b1fab606d8cd573292c3e9969c031c94.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4332

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/4332-132-0x0000000000000000-mapping.dmp

Download
memory/4332-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4332-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4332-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4976-134-0x0000000000E7D000-0x0000000000E8D000-memory.dmp

Filesize
64KB

Download
memory/4976-135-0x0000000000C20000-0x0000000000C29000-memory.dmp

Filesize
36KB

Download