smokeloader | 10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06

Analysis

max time kernel
150s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06-10-2022 02:37

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General

Target

10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe
Size

146KB
MD5

d68ddbdfb6a0ac9c04173b90206d3602
SHA1

6e6501defdfae791d5b832031576c800c9d60f9d
SHA256

10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06
SHA512

b250c8ac4af07f88659d2a6473f6a4b6c6cb78f9d869d9e40630609e988e695d22e34c1a6ca3b7a9b0aee982090b2320b461165ba3cacaccf5e85b1cd7b87831
SSDEEP

3072:6GCeWFhfDTMCNpOC1Cg4cf0+MKlI+uvqZmJ8mO:z2zzpLCgt8+MKxSeS8m

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1400-133-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/5088-135-0x00000000006D0000-0x00000000006D9000-memory.dmp	family_smokeloader
behavioral1/memory/1400-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1400-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe

description	pid	process	target process
PID 5088 set thread context of 1400	5088	10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe	10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.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:

10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe

pid	process
1400	10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe
1400	10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

760
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe

pid process

1400 10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe

pid	process
760

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe

description	pid	process	target process
PID 5088 wrote to memory of 1400	5088	10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe	10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe
PID 5088 wrote to memory of 1400	5088	10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe	10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe
PID 5088 wrote to memory of 1400	5088	10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe	10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe
PID 5088 wrote to memory of 1400	5088	10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe	10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe
PID 5088 wrote to memory of 1400	5088	10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe	10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe
PID 5088 wrote to memory of 1400	5088	10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe	10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe

C:\Users\Admin\AppData\Local\Temp\10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe
"C:\Users\Admin\AppData\Local\Temp\10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5088

C:\Users\Admin\AppData\Local\Temp\10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe
"C:\Users\Admin\AppData\Local\Temp\10580328882ee7253800375bf787c2b430a2cf5322758f56b3f784d0ca37aa06.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1400

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/1400-132-0x0000000000000000-mapping.dmp

Download
memory/1400-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1400-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1400-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/5088-135-0x00000000006D0000-0x00000000006D9000-memory.dmp

Filesize
36KB

Download
memory/5088-134-0x00000000008FD000-0x000000000090E000-memory.dmp

Filesize
68KB

Download