smokeloader | c1b2857ea5edd1c191634d9ceaa5dc47919901062c1de603a689109ddb825b80

Analysis

max time kernel
93s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-01-2025 11:27

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General

Target

JaffaCakes118_20db8f47f11a865d8f4019d2c0e259d5.exe
Size

233KB
MD5

20db8f47f11a865d8f4019d2c0e259d5
SHA1

b38bb0635af665cc7f3f8213ca557019100d6879
SHA256

c1b2857ea5edd1c191634d9ceaa5dc47919901062c1de603a689109ddb825b80
SHA512

e4a76ef4d17144915f338e464536d38b94aa1df6405bf478294767c0525c686c2961cff11ab27a4a74ce6e3c371ad60641824457434f51f32abda88c1b39b4ce
SSDEEP

3072:BGhSioUSwfDBaFGijULzLiL2wJP5qilT2GlB+CNf4/AWaSkSJu98vd:5USwfDBW1jUuC65qioGIADG8el

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1504 set thread context of 2276	1504	JaffaCakes118_20db8f47f11a865d8f4019d2c0e259d5.exe	82

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_20db8f47f11a865d8f4019d2c0e259d5.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	JaffaCakes118_20db8f47f11a865d8f4019d2c0e259d5.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	JaffaCakes118_20db8f47f11a865d8f4019d2c0e259d5.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	JaffaCakes118_20db8f47f11a865d8f4019d2c0e259d5.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1504 wrote to memory of 2276	1504	JaffaCakes118_20db8f47f11a865d8f4019d2c0e259d5.exe	82
PID 1504 wrote to memory of 2276	1504	JaffaCakes118_20db8f47f11a865d8f4019d2c0e259d5.exe	82
PID 1504 wrote to memory of 2276	1504	JaffaCakes118_20db8f47f11a865d8f4019d2c0e259d5.exe	82
PID 1504 wrote to memory of 2276	1504	JaffaCakes118_20db8f47f11a865d8f4019d2c0e259d5.exe	82
PID 1504 wrote to memory of 2276	1504	JaffaCakes118_20db8f47f11a865d8f4019d2c0e259d5.exe	82
PID 1504 wrote to memory of 2276	1504	JaffaCakes118_20db8f47f11a865d8f4019d2c0e259d5.exe	82

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_20db8f47f11a865d8f4019d2c0e259d5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_20db8f47f11a865d8f4019d2c0e259d5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1504
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_20db8f47f11a865d8f4019d2c0e259d5.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_20db8f47f11a865d8f4019d2c0e259d5.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:2276

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1504-0-0x0000000004B10000-0x0000000004B18000-memory.dmp

Filesize
32KB

Download
memory/1504-1-0x0000000004B20000-0x0000000004B29000-memory.dmp

Filesize
36KB

Download
memory/1504-3-0x0000000004B10000-0x0000000004B18000-memory.dmp

Filesize
32KB

Download
memory/2276-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2276-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2276-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download