smokeloader | 40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad

Analysis

max time kernel
187s
max time network
189s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 10:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe
Size

186KB
MD5

b1d0c0ce06d00c6247035af97ae95a79
SHA1

329942a0a839e8f03f8a814096882b6bcb3ac5ac
SHA256

40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad
SHA512

d5617a00f94c8c1908b4524f0636ec6413dbf3ee4f2ccdcc1b501343874f845392dd9ad90360cbaaea6f23f536abaf92f228033bc661ebc251f7c116953b4b39
SSDEEP

3072:Nqlo8DnTQYL76ZIWUaO5j+NZtCs9dY+0u+JVRyQUJ:MlrTZL76ZIX6h93NZ3

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2860-133-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/1572-135-0x0000000002390000-0x0000000002399000-memory.dmp	family_smokeloader
behavioral1/memory/2860-136-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/2860-137-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe

description	pid	process	target process
PID 1572 set thread context of 2860	1572	40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe	40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.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:

40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe

pid	process
2860	40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe
2860	40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716
2716

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

2716
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe

pid process

2860 40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe

pid	process
2716

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe

description	pid	process	target process
PID 1572 wrote to memory of 2860	1572	40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe	40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe
PID 1572 wrote to memory of 2860	1572	40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe	40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe
PID 1572 wrote to memory of 2860	1572	40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe	40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe
PID 1572 wrote to memory of 2860	1572	40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe	40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe
PID 1572 wrote to memory of 2860	1572	40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe	40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe
PID 1572 wrote to memory of 2860	1572	40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe	40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe

C:\Users\Admin\AppData\Local\Temp\40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe
"C:\Users\Admin\AppData\Local\Temp\40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1572

C:\Users\Admin\AppData\Local\Temp\40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe
"C:\Users\Admin\AppData\Local\Temp\40dd71b109c1865a7e7bc32b73e796cce054c89871e36d99794400671a129aad.exe"
2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2860

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1572-134-0x00000000007DE000-0x00000000007EF000-memory.dmp

Filesize
68KB

Download
memory/1572-135-0x0000000002390000-0x0000000002399000-memory.dmp

Filesize
36KB

Download
memory/2860-132-0x0000000000000000-mapping.dmp

Download
memory/2860-133-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2860-136-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2860-137-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download