smokeloader | 04755f8055d86e0c12b8175b14f53f891934a5461376f16b4b5478fffec32a8c

Analysis

max time kernel
152s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2022 20:51

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General

Target

7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe
Size

147KB
MD5

e8454384e5ad625a0f53459ac275ef17
SHA1

c28c433d5fd66eb0fad3f749de0c3fec4f9a0fc9
SHA256

7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de
SHA512

b348e1f8eb1131c1922e391f68a6adc8cae84b78e04bbfcb317726c3b02b37a9b63bd5333c447bb477812d49923bffb49abeb3717187dee02dde6c98076780b8
SSDEEP

3072:FYv+ORce3n5Rbe5Yo5YilqJP/hzJdBXSkD:Kr6ejbe5Dfy3xJ/i

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4448-133-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral2/memory/3840-135-0x00000000026D0000-0x00000000026D9000-memory.dmp	family_smokeloader
behavioral2/memory/4448-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral2/memory/4448-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe

description	pid	process	target process
PID 3840 set thread context of 4448	3840	7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe	7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.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:

7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe

pid	process
4448	7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe
4448	7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

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Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe

pid process

4448 7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe

pid	process
1076

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe

description	pid	process	target process
PID 3840 wrote to memory of 4448	3840	7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe	7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe
PID 3840 wrote to memory of 4448	3840	7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe	7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe
PID 3840 wrote to memory of 4448	3840	7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe	7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe
PID 3840 wrote to memory of 4448	3840	7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe	7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe
PID 3840 wrote to memory of 4448	3840	7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe	7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe
PID 3840 wrote to memory of 4448	3840	7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe	7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe

C:\Users\Admin\AppData\Local\Temp\7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe
"C:\Users\Admin\AppData\Local\Temp\7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3840

C:\Users\Admin\AppData\Local\Temp\7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe
"C:\Users\Admin\AppData\Local\Temp\7da2afc012fc12fa127178a6e8d465baad147fca443f2ff870762c14084757de.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4448

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/3840-134-0x0000000000B4D000-0x0000000000B5D000-memory.dmp

Filesize
64KB

Download
memory/3840-135-0x00000000026D0000-0x00000000026D9000-memory.dmp

Filesize
36KB

Download
memory/4448-132-0x0000000000000000-mapping.dmp

Download
memory/4448-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4448-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4448-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download