smokeloader | 0e99b5cca738177886ec561346b84fa8ece8879edd571d35d98a6fa282be579c

Analysis

max time kernel
96s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2025 18:46

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General

Target

JaffaCakes118_a5bda43f9cddd68c21f8bf60e0dddbe1.exe
Size

336KB
MD5

a5bda43f9cddd68c21f8bf60e0dddbe1
SHA1

88928ba6cf4e530d890521a94f42c713a72607b8
SHA256

0e99b5cca738177886ec561346b84fa8ece8879edd571d35d98a6fa282be579c
SHA512

df99a36739178dd6b94cbf26e4a319cf36667aeea24f62e73ec837d42af6848b0109064dd899d80961c690265275e54878cc07ea844abe03633eba6cacf1fdd0
SSDEEP

6144:RR8HEdshUusReCRAdQxCWNAtI4dzuGcw72FqLEkxE5aJmtr+Qa8:RaHVhUumXRVtNUIOyzwyFqgz4Jx

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 2432 set thread context of 2124	2432	JaffaCakes118_a5bda43f9cddd68c21f8bf60e0dddbe1.exe	85

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_a5bda43f9cddd68c21f8bf60e0dddbe1.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_a5bda43f9cddd68c21f8bf60e0dddbe1.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	JaffaCakes118_a5bda43f9cddd68c21f8bf60e0dddbe1.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	JaffaCakes118_a5bda43f9cddd68c21f8bf60e0dddbe1.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 2124	2432	JaffaCakes118_a5bda43f9cddd68c21f8bf60e0dddbe1.exe	85
PID 2432 wrote to memory of 2124	2432	JaffaCakes118_a5bda43f9cddd68c21f8bf60e0dddbe1.exe	85
PID 2432 wrote to memory of 2124	2432	JaffaCakes118_a5bda43f9cddd68c21f8bf60e0dddbe1.exe	85
PID 2432 wrote to memory of 2124	2432	JaffaCakes118_a5bda43f9cddd68c21f8bf60e0dddbe1.exe	85
PID 2432 wrote to memory of 2124	2432	JaffaCakes118_a5bda43f9cddd68c21f8bf60e0dddbe1.exe	85
PID 2432 wrote to memory of 2124	2432	JaffaCakes118_a5bda43f9cddd68c21f8bf60e0dddbe1.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a5bda43f9cddd68c21f8bf60e0dddbe1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a5bda43f9cddd68c21f8bf60e0dddbe1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a5bda43f9cddd68c21f8bf60e0dddbe1.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a5bda43f9cddd68c21f8bf60e0dddbe1.exe"
  2⤵
  - Checks SCSI registry key(s)
  PID:2124

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/2124-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2124-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2124-5-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2124-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2432-1-0x0000000000A90000-0x0000000000B90000-memory.dmp

Filesize
1024KB

Download
memory/2432-2-0x00000000001C0000-0x00000000001C9000-memory.dmp

Filesize
36KB

Download