smokeloader | 4e41c19b14c957ccc63c041ec6f9af4e16b0d40c6055ea0ba084ac6e23be2bb8

Analysis

max time kernel
99s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-08-2024 08:35

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General

Target

1c045e8926ce6d5197569178fc117b80N.exe
Size

252KB
MD5

1c045e8926ce6d5197569178fc117b80
SHA1

f75179712897dc47151ba8d9b9158c4e698e0349
SHA256

4e41c19b14c957ccc63c041ec6f9af4e16b0d40c6055ea0ba084ac6e23be2bb8
SHA512

757809532415be07e156af72d3f2c0f38ee18a704c84be1056cd1ea2720224bd800680f7fbfc6e709fc789863fcebf755b6d10733ab42fbbdfe72c3e5da18042
SSDEEP

3072:G2rEofwlzL27xIh3sSL6YwODDjPOWT/decdqV34tsCiGv/S+2Ynp5UgmL+RjWizr:G2pfwx2Kh3tL6YwQ/dLdM3FDgmIk

Score

10^/10

smokeloader pub3 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub3

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
3412	1c045e8926ce6d5197569178fc117b80N.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4280	3412	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	1c045e8926ce6d5197569178fc117b80N.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	1c045e8926ce6d5197569178fc117b80N.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1c045e8926ce6d5197569178fc117b80N.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	1c045e8926ce6d5197569178fc117b80N.exe

C:\Users\Admin\AppData\Local\Temp\1c045e8926ce6d5197569178fc117b80N.exe
"C:\Users\Admin\AppData\Local\Temp\1c045e8926ce6d5197569178fc117b80N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:3412
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 340
  2⤵
  - Program crash
  PID:4280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3412 -ip 3412
1⤵
PID:424

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\CC4F.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/3412-1-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download
memory/3412-2-0x00000000005B0000-0x00000000005B9000-memory.dmp

Filesize
36KB

Download
memory/3412-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3412-10-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3412-9-0x00000000005B0000-0x00000000005B9000-memory.dmp

Filesize
36KB

Download
memory/3412-8-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download