smokeloader | 4ed2036409e55f0a61470f9a8e04613474cfbd0da551c5cde54a942b3c5d0421

Analysis

max time kernel
140s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15/08/2024, 04:14

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General

Target

98de94ecc9310a6524c7cf71973138a9_JaffaCakes118.exe
Size

123KB
MD5

98de94ecc9310a6524c7cf71973138a9
SHA1

7ed9c8d7a9e220b60472cb42e957330d6ba3dc5f
SHA256

4ed2036409e55f0a61470f9a8e04613474cfbd0da551c5cde54a942b3c5d0421
SHA512

12a49a8f5bdca24f63ae1cdb38102a5b4ef38664be18c6549a7d05417289f5a9e2aeba89ad02590fd5efc24fb60b47291c043e99c725388cb70b61014b551512
SSDEEP

1536:xESIVhkfQzRnsOvfRh+HKaf7fGiX5ghYI4YLI6b+5rN7Vre/CDkRrmP:xE1hXDmt7DgMY06SrN7s/CDkRrm

Score

10^/10

smokeloader pub1 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
3756	98de94ecc9310a6524c7cf71973138a9_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2128	3756	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	98de94ecc9310a6524c7cf71973138a9_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	98de94ecc9310a6524c7cf71973138a9_JaffaCakes118.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	98de94ecc9310a6524c7cf71973138a9_JaffaCakes118.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	98de94ecc9310a6524c7cf71973138a9_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\98de94ecc9310a6524c7cf71973138a9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\98de94ecc9310a6524c7cf71973138a9_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:3756
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3756 -s 380
  2⤵
  - Program crash
  PID:2128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3756 -ip 3756
1⤵
PID:1344

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\CC4F.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/3756-2-0x0000000000990000-0x000000000099A000-memory.dmp

Filesize
40KB

Download
memory/3756-1-0x0000000000840000-0x0000000000940000-memory.dmp

Filesize
1024KB

Download
memory/3756-3-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3756-8-0x0000000000400000-0x0000000000817000-memory.dmp

Filesize
4.1MB

Download
memory/3756-10-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3756-9-0x0000000000990000-0x000000000099A000-memory.dmp

Filesize
40KB

Download