smokeloader | cb725bce1489b81801ff6855b81d79f4604afbc8dc1efa75aa515f929732af1e

Analysis

max time kernel
132s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20-08-2024 01:57

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General

Target

cb725bce1489b81801ff6855b81d79f4604afbc8dc1efa75aa515f929732af1e.exe
Size

200KB
MD5

17f7f4b11e8083758da38898181e0bbd
SHA1

7405193384b8f024061d73ff51fa8fcee774c9aa
SHA256

cb725bce1489b81801ff6855b81d79f4604afbc8dc1efa75aa515f929732af1e
SHA512

62cc0a29232a8d160ac19c9236b12888b2319f99cd6a43aa2ea484491160502f6df0a63957f460524c5cfd59c9763a7c88e2cbba788cc560c80cbf315c033653
SSDEEP

1536:4diUKLvcUhxR3t5PGE0Ul5KNHdHkGJPxAka4BEJK6+lkUYq8vK5g9o5NNNJH0AE0:fLvv3tcE0vHdEGck8JTgk985x5NZ

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2844	1236	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	cb725bce1489b81801ff6855b81d79f4604afbc8dc1efa75aa515f929732af1e.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 queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cb725bce1489b81801ff6855b81d79f4604afbc8dc1efa75aa515f929732af1e.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cb725bce1489b81801ff6855b81d79f4604afbc8dc1efa75aa515f929732af1e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	cb725bce1489b81801ff6855b81d79f4604afbc8dc1efa75aa515f929732af1e.exe

C:\Users\Admin\AppData\Local\Temp\cb725bce1489b81801ff6855b81d79f4604afbc8dc1efa75aa515f929732af1e.exe
"C:\Users\Admin\AppData\Local\Temp\cb725bce1489b81801ff6855b81d79f4604afbc8dc1efa75aa515f929732af1e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:1236
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1236 -s 352
  2⤵
  - Program crash
  PID:2844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1236 -ip 1236
1⤵
PID:2160

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/1236-2-0x0000000002190000-0x000000000219B000-memory.dmp

Filesize
44KB

Download
memory/1236-1-0x00000000004D0000-0x00000000005D0000-memory.dmp

Filesize
1024KB

Download
memory/1236-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1236-4-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/1236-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1236-5-0x0000000002190000-0x000000000219B000-memory.dmp

Filesize
44KB

Download