smokeloader | c8fa13759864eec3048c911de648541e06f2353648300d3252ff73ba0bcaaa76

Analysis

max time kernel
107s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26/08/2024, 16:15

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General

Target

24b562ff79a14df95ebf81b8d07dedc0N.exe
Size

196KB
MD5

24b562ff79a14df95ebf81b8d07dedc0
SHA1

9a146407da0bfc28ac0529ffaae1923a44dcfb25
SHA256

c8fa13759864eec3048c911de648541e06f2353648300d3252ff73ba0bcaaa76
SHA512

e4917cca8976fcbe4f522669fc2328f4aa231e738077369bc3620f38084d7110c41c13584e6995e3229bdc6c74cf2a2098d6cce2c5033c43e54864afde3da0b2
SSDEEP

3072:cxbKUhgrLPf7E1LNAO/0zGciszMe2oQYxeVHkeuQyZwhDg:cb9hgrKL+EOzX2oQkzeuNu5

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
1076	24b562ff79a14df95ebf81b8d07dedc0N.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1672	1076	WerFault.exe	85

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	24b562ff79a14df95ebf81b8d07dedc0N.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	24b562ff79a14df95ebf81b8d07dedc0N.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	24b562ff79a14df95ebf81b8d07dedc0N.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	24b562ff79a14df95ebf81b8d07dedc0N.exe

C:\Users\Admin\AppData\Local\Temp\24b562ff79a14df95ebf81b8d07dedc0N.exe
"C:\Users\Admin\AppData\Local\Temp\24b562ff79a14df95ebf81b8d07dedc0N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:1076
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1076 -s 496
  2⤵
  - Program crash
  PID:1672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1076 -ip 1076
1⤵
PID:4284

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/1076-0-0x0000000000E40000-0x0000000000E41000-memory.dmp

Filesize
4KB

Download
memory/1076-2-0x0000000000E70000-0x0000000000E7A000-memory.dmp

Filesize
40KB

Download
memory/1076-1-0x0000000000E60000-0x0000000000E6A000-memory.dmp

Filesize
40KB

Download
memory/1076-7-0x0000000000E70000-0x0000000000E7A000-memory.dmp

Filesize
40KB

Download