smokeloader | dcb738e5d9f1d0c7d45fc29638324f9774c4bc7db5d66189686d60d191700b1d

Analysis

max time kernel
95s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 02:02

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General

Target

dcb738e5d9f1d0c7d45fc29638324f9774c4bc7db5d66189686d60d191700b1dN.exe
Size

288KB
MD5

c02b57e6771a13513dc087f6b45adab0
SHA1

d2da10a92730ddc0c8d085eff51756aa769e783a
SHA256

dcb738e5d9f1d0c7d45fc29638324f9774c4bc7db5d66189686d60d191700b1d
SHA512

34bfbca9aa8cc7898255429b821cbf0e11a711e0e21bc623178da336780391d282234587152403171f259d637a9e2192bc25aeca6eaea9b98742e040f5563c9b
SSDEEP

6144:CwuVnLdSyrzB26P8udhzGV+kVNf+YzExfDZsuiz/JxEVn:CwuVnMyrzE6P8ufzE+kn+Yg+uijw

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3152	4768	WerFault.exe	81

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	dcb738e5d9f1d0c7d45fc29638324f9774c4bc7db5d66189686d60d191700b1dN.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	dcb738e5d9f1d0c7d45fc29638324f9774c4bc7db5d66189686d60d191700b1dN.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	dcb738e5d9f1d0c7d45fc29638324f9774c4bc7db5d66189686d60d191700b1dN.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	dcb738e5d9f1d0c7d45fc29638324f9774c4bc7db5d66189686d60d191700b1dN.exe

C:\Users\Admin\AppData\Local\Temp\dcb738e5d9f1d0c7d45fc29638324f9774c4bc7db5d66189686d60d191700b1dN.exe
"C:\Users\Admin\AppData\Local\Temp\dcb738e5d9f1d0c7d45fc29638324f9774c4bc7db5d66189686d60d191700b1dN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4768
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4768 -s 352
  2⤵
  - Program crash
  PID:3152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4768 -ip 4768
1⤵
PID:2896

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/4768-0-0x00000000001C0000-0x00000000001EB000-memory.dmp

Filesize
172KB

Download
memory/4768-1-0x0000000000470000-0x000000000047B000-memory.dmp

Filesize
44KB

Download
memory/4768-2-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4768-3-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/4768-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4768-5-0x0000000000470000-0x000000000047B000-memory.dmp

Filesize
44KB

Download
memory/4768-4-0x00000000001C0000-0x00000000001EB000-memory.dmp

Filesize
172KB

Download