smokeloader | 5bb5e455c0dbbec9904b6ff6bcbe2f84250b26e791a4748abfe7d1b43d7779f6

Analysis

max time kernel
94s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28-09-2024 17:55

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General

Target

fcd6c5624f60ca8f13205970d561ba75_JaffaCakes118.exe
Size

139KB
MD5

fcd6c5624f60ca8f13205970d561ba75
SHA1

781989f4c433f7ad75baef68c7c84bcd7e411663
SHA256

5bb5e455c0dbbec9904b6ff6bcbe2f84250b26e791a4748abfe7d1b43d7779f6
SHA512

d8c20c80de60cc53a451f97395590b948509ca2195cc9b5c071fd8014528d6b063d8d1717723acca27eebdc4ededa3ffb5d77dc41c9d5a64d50e7f5557b08797
SSDEEP

1536:Ywiapb3W4+1nQSS5+iElH1iJxjLR9+ZkwIkLZyVgshc6Zb2NhXG1k4JJ4IOiRv2:x/LElorigGyWCK3iRv2

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
3964	fcd6c5624f60ca8f13205970d561ba75_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3108	3964	WerFault.exe	81

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	fcd6c5624f60ca8f13205970d561ba75_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	fcd6c5624f60ca8f13205970d561ba75_JaffaCakes118.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fcd6c5624f60ca8f13205970d561ba75_JaffaCakes118.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	fcd6c5624f60ca8f13205970d561ba75_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\fcd6c5624f60ca8f13205970d561ba75_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fcd6c5624f60ca8f13205970d561ba75_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:3964
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3964 -s 392
  2⤵
  - Program crash
  PID:3108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3964 -ip 3964
1⤵
PID:2936

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\CC4F.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/3964-2-0x00000000001C0000-0x00000000001CA000-memory.dmp

Filesize
40KB

Download
memory/3964-1-0x0000000000A80000-0x0000000000B80000-memory.dmp

Filesize
1024KB

Download
memory/3964-3-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3964-10-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3964-9-0x00000000001C0000-0x00000000001CA000-memory.dmp

Filesize
40KB

Download
memory/3964-8-0x0000000000400000-0x00000000008B2000-memory.dmp

Filesize
4.7MB

Download