smokeloader | 0c6eaec4a2dc0d8245e7055d3b71f48bf7853b5d46e174d9a95b0496e8e5c1e7

Analysis

max time kernel
134s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
31-08-2024 07:53

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General

Target

cc7176ea154662e07f5b53668970babd_JaffaCakes118.exe
Size

181KB
MD5

cc7176ea154662e07f5b53668970babd
SHA1

b0ff3cd329604b8e5caaea4511f1247de3132f6c
SHA256

0c6eaec4a2dc0d8245e7055d3b71f48bf7853b5d46e174d9a95b0496e8e5c1e7
SHA512

449838eb4ea24abf30ad12eca653c4c7fe1e22bb3c74d8020c94fa0679ce6a08d39771a4e368e232a33e55955fd9dfe796a397d9e6361addd6c55fc1231efd1b
SSDEEP

3072:rClsldPanpTJVaptTsCYwyke06guaP+bddjdmaPIM6rYaU:rCyldanHVcTbYNke067am4aPID

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
1252	cc7176ea154662e07f5b53668970babd_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1944	1252	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	cc7176ea154662e07f5b53668970babd_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	cc7176ea154662e07f5b53668970babd_JaffaCakes118.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cc7176ea154662e07f5b53668970babd_JaffaCakes118.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cc7176ea154662e07f5b53668970babd_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\cc7176ea154662e07f5b53668970babd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cc7176ea154662e07f5b53668970babd_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:1252
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1252 -s 516
  2⤵
  - Program crash
  PID:1944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1252 -ip 1252
1⤵
PID:4904

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

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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/1252-0-0x0000000002820000-0x0000000002821000-memory.dmp

Filesize
4KB

Download
memory/1252-2-0x0000000002850000-0x000000000285A000-memory.dmp

Filesize
40KB

Download
memory/1252-1-0x0000000002840000-0x000000000284A000-memory.dmp

Filesize
40KB

Download
memory/1252-7-0x0000000002850000-0x000000000285A000-memory.dmp

Filesize
40KB

Download