smokeloader | ce67686d81b39d8127a0d6b1cda32012fcd8fa5f3abe4f1eeda4dfb7a4755c99

Analysis

max time kernel
132s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-08-2024 05:41

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General

Target

ce67686d81b39d8127a0d6b1cda32012fcd8fa5f3abe4f1eeda4dfb7a4755c99.exe
Size

315KB
MD5

9dea7138f0c68110576063c0e1491347
SHA1

5cd536a3b1af269e52b348dce2c0c42eea86f718
SHA256

ce67686d81b39d8127a0d6b1cda32012fcd8fa5f3abe4f1eeda4dfb7a4755c99
SHA512

20462dd3b2bcdd2f23095b741a1b8712b444e1755f623453ed722504d0249a6dd6a54521a1c0e040ccb7ce50dc0334b40e8e7c198b06a732a0bff09bc39a9789
SSDEEP

6144:HNI3k4a6QU6jVFLPlQfnIrmZBP5tOMYQOzX2oQkzeuNu1j1:CFa5nVJeBPbvrT1

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
4444	ce67686d81b39d8127a0d6b1cda32012fcd8fa5f3abe4f1eeda4dfb7a4755c99.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4708	4444	WerFault.exe	82

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	ce67686d81b39d8127a0d6b1cda32012fcd8fa5f3abe4f1eeda4dfb7a4755c99.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	ce67686d81b39d8127a0d6b1cda32012fcd8fa5f3abe4f1eeda4dfb7a4755c99.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ce67686d81b39d8127a0d6b1cda32012fcd8fa5f3abe4f1eeda4dfb7a4755c99.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ce67686d81b39d8127a0d6b1cda32012fcd8fa5f3abe4f1eeda4dfb7a4755c99.exe

C:\Users\Admin\AppData\Local\Temp\ce67686d81b39d8127a0d6b1cda32012fcd8fa5f3abe4f1eeda4dfb7a4755c99.exe
"C:\Users\Admin\AppData\Local\Temp\ce67686d81b39d8127a0d6b1cda32012fcd8fa5f3abe4f1eeda4dfb7a4755c99.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4444
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4444 -s 468
  2⤵
  - Program crash
  PID:4708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4444 -ip 4444
1⤵
PID:1156

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/4444-2-0x0000000003FF0000-0x0000000003FFA000-memory.dmp

Filesize
40KB

Download
memory/4444-1-0x0000000003FE0000-0x0000000003FEA000-memory.dmp

Filesize
40KB

Download
memory/4444-0-0x0000000003FC0000-0x0000000003FC1000-memory.dmp

Filesize
4KB

Download
memory/4444-6-0x0000000003FF0000-0x0000000003FFA000-memory.dmp

Filesize
40KB

Download