smokeloader | 0fcda23a1e98e83e1853c2d7526788be7c46f29a5eff17a5cb0360bc0ad5e54b

Analysis

max time kernel
133s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22/08/2024, 14:20

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General

Target

0fcda23a1e98e83e1853c2d7526788be7c46f29a5eff17a5cb0360bc0ad5e54b.exe
Size

359KB
MD5

597ce9b6d8ec065ed8af37d3cc2c4983
SHA1

869504b52b668a05d5577a4c485fa09189da4934
SHA256

0fcda23a1e98e83e1853c2d7526788be7c46f29a5eff17a5cb0360bc0ad5e54b
SHA512

a2630e8631ec9c8f5039497c0686ab6f377c47ce86c5b631950ee50bf52ac76d8ed083190a935cdacc5c7ef5fc0e170db766595b696f7d6af467247189813539
SSDEEP

6144:oE4+e/GdmJZtA7vtHuMF9Vuo/AAC0lkqB6TU9XmjB5agOYrz5jE:oB+e/GoJZt4vJuE9nYAC0GqBsEWjzag

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4680	2804	WerFault.exe	90

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	0fcda23a1e98e83e1853c2d7526788be7c46f29a5eff17a5cb0360bc0ad5e54b.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	0fcda23a1e98e83e1853c2d7526788be7c46f29a5eff17a5cb0360bc0ad5e54b.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0fcda23a1e98e83e1853c2d7526788be7c46f29a5eff17a5cb0360bc0ad5e54b.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	0fcda23a1e98e83e1853c2d7526788be7c46f29a5eff17a5cb0360bc0ad5e54b.exe

C:\Users\Admin\AppData\Local\Temp\0fcda23a1e98e83e1853c2d7526788be7c46f29a5eff17a5cb0360bc0ad5e54b.exe
"C:\Users\Admin\AppData\Local\Temp\0fcda23a1e98e83e1853c2d7526788be7c46f29a5eff17a5cb0360bc0ad5e54b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:2804
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2804 -s 356
  2⤵
  - Program crash
  PID:4680

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4348,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=3944 /prefetch:8
1⤵
PID:4716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2804 -ip 2804
1⤵
PID:2816

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

memory/2804-1-0x00000000008C0000-0x00000000009C0000-memory.dmp

Filesize
1024KB

Download
memory/2804-2-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2804-3-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/2804-4-0x0000000000400000-0x00000000005ED000-memory.dmp

Filesize
1.9MB

Download
memory/2804-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download