smokeloader | 44ee5a21c9fd8aa4568cc307b0271142d9dada765fd629c85765b065c566cf78

Analysis

max time kernel
141s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-08-2024 22:42

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General

Target

cbcf066add7ca61879f83466d6b1897c_JaffaCakes118.exe
Size

304KB
MD5

cbcf066add7ca61879f83466d6b1897c
SHA1

ef35f0a0e1ea5569981e5de7f8d42f4aff60e2ab
SHA256

44ee5a21c9fd8aa4568cc307b0271142d9dada765fd629c85765b065c566cf78
SHA512

90a9118b4c8c59ec12efcf49516d6bb6b0239941345d86fe52d3d38189a21a1591f6fcb2fb3532155436120304aad294d5f8e680cf89658c19235f34a8f87536
SSDEEP

6144:Gpy64kUJDxh+pONWRxkcOATEouE+Mgzq96SZ7SEghVRUSOmarJFuT:GpVZA+p1iEmqfZWEokZa

Score

10^/10

smokeloader ku11 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

ku11

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
4456	cbcf066add7ca61879f83466d6b1897c_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3804	4456	WerFault.exe	83

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	cbcf066add7ca61879f83466d6b1897c_JaffaCakes118.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	cbcf066add7ca61879f83466d6b1897c_JaffaCakes118.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cbcf066add7ca61879f83466d6b1897c_JaffaCakes118.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cbcf066add7ca61879f83466d6b1897c_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\cbcf066add7ca61879f83466d6b1897c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cbcf066add7ca61879f83466d6b1897c_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4456
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 464
  2⤵
  - Program crash
  PID:3804

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4456 -ip 4456
1⤵
PID:3984

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

C:\Users\Admin\AppData\Local\Temp\5C1B.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/4456-0-0x0000000005D00000-0x0000000005D01000-memory.dmp

Filesize
4KB

Download
memory/4456-2-0x0000000005D60000-0x0000000005D6A000-memory.dmp

Filesize
40KB

Download
memory/4456-1-0x0000000005D50000-0x0000000005D5A000-memory.dmp

Filesize
40KB

Download
memory/4456-6-0x0000000005D60000-0x0000000005D6A000-memory.dmp

Filesize
40KB

Download