smokeloader | 21d82dc770edea8c99aeef084250b5f8cfa5524dfb9027569ca0d126c13ea18c

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23-08-2024 20:29

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General

Target

bd0be3e310836c6be38fce6f81e11658_JaffaCakes118.exe
Size

130KB
MD5

bd0be3e310836c6be38fce6f81e11658
SHA1

6cc9641df33cf277101e62b0050f6d6c1a1326f9
SHA256

21d82dc770edea8c99aeef084250b5f8cfa5524dfb9027569ca0d126c13ea18c
SHA512

bb4ebba37bb80e82ab3b79c290e0b709a826906fa2e3b5a7ba0a07a40ae6effe53ba7348be2a1aec61cf5d621d64af1cc2a21488d5be645e87413338852eebd7
SSDEEP

1536:Kpjo0c6ivIXuCcpuuohgwKGl9GYS60MAfzowWvbgTghNFqcY7LMt8bYA/5xqnnDB:KpMbIXS303bGY//tnYfuHxfiiPIE

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
3704	bd0be3e310836c6be38fce6f81e11658_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2152	3704	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	bd0be3e310836c6be38fce6f81e11658_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	bd0be3e310836c6be38fce6f81e11658_JaffaCakes118.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bd0be3e310836c6be38fce6f81e11658_JaffaCakes118.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	bd0be3e310836c6be38fce6f81e11658_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\bd0be3e310836c6be38fce6f81e11658_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bd0be3e310836c6be38fce6f81e11658_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:3704
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3704 -s 496
  2⤵
  - Program crash
  PID:2152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3704 -ip 3704
1⤵
PID:1440

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/3704-0-0x0000000002880000-0x0000000002881000-memory.dmp

Filesize
4KB

Download
memory/3704-2-0x00000000028B0000-0x00000000028BA000-memory.dmp

Filesize
40KB

Download
memory/3704-1-0x00000000028A0000-0x00000000028AA000-memory.dmp

Filesize
40KB

Download
memory/3704-7-0x00000000028B0000-0x00000000028BA000-memory.dmp

Filesize
40KB

Download