smokeloader | 45bc305fc7049756031bd94b7755f01c0913ea0944d8757e3f0742243182ede9

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18-09-2024 03:23

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General

Target

e83b3678291bb4c2495bb6ab08d6fb21_JaffaCakes118.exe
Size

239KB
MD5

e83b3678291bb4c2495bb6ab08d6fb21
SHA1

9486eb8ccf985c0cd1e6427c367b9756ea768d64
SHA256

45bc305fc7049756031bd94b7755f01c0913ea0944d8757e3f0742243182ede9
SHA512

fd223830cb649f7e38ff5b49a072bd99bb1667110bf22abe9b09c6d24183244890911883197f1011550a4a0634f1191a5a3d9184c17b1684c35b78a1cca1e361
SSDEEP

6144:ulXriKQSaf2t4Jua7Md0ZFmmPQ9qTnoZrF45K/P6:mriH3ut4Jua7McmKzTnoZZ4aP

Score

10^/10

smokeloader pub2 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
4844	e83b3678291bb4c2495bb6ab08d6fb21_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3568	4844	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	e83b3678291bb4c2495bb6ab08d6fb21_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	e83b3678291bb4c2495bb6ab08d6fb21_JaffaCakes118.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e83b3678291bb4c2495bb6ab08d6fb21_JaffaCakes118.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e83b3678291bb4c2495bb6ab08d6fb21_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\e83b3678291bb4c2495bb6ab08d6fb21_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e83b3678291bb4c2495bb6ab08d6fb21_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4844
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4844 -s 380
  2⤵
  - Program crash
  PID:3568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4844 -ip 4844
1⤵
PID:3928

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/4844-1-0x0000000005250000-0x0000000005350000-memory.dmp

Filesize
1024KB

Download
memory/4844-2-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4844-7-0x0000000000400000-0x0000000005084000-memory.dmp

Filesize
76.5MB

Download
memory/4844-8-0x0000000000400000-0x0000000005084000-memory.dmp

Filesize
76.5MB

Download
memory/4844-9-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download