smokeloader | 39751e5772b0cc39de3498bd88bf2db28074f4d63927427a2cc8ef1fafebaea3

Analysis

max time kernel
139s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04/11/2024, 17:37

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General

Target

39751e5772b0cc39de3498bd88bf2db28074f4d63927427a2cc8ef1fafebaea3.exe
Size

229KB
MD5

27c5dd4b4446edef30b84cd2b0861d13
SHA1

c5eccaabd602cbd712b32340539b13f3ffb0086e
SHA256

39751e5772b0cc39de3498bd88bf2db28074f4d63927427a2cc8ef1fafebaea3
SHA512

389c130805f72dcd8ecaf4fc53de3728bdba3feb8695f035ddd076be6dfafd8831bbc737dbd755074beb8c46ab4c1406b04b00110136cf1502ba15bd14090a65
SSDEEP

1536:Wii0sOVQKdOI0Sq7okblmjHgTnkfolkV1lbL+NwN46fCBX1KRB3Al5UsSxrcJPR3:gSdlyRmb3oCaN84PBFcAfUsSxU+W

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
4232	4924	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	39751e5772b0cc39de3498bd88bf2db28074f4d63927427a2cc8ef1fafebaea3.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 enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	39751e5772b0cc39de3498bd88bf2db28074f4d63927427a2cc8ef1fafebaea3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	39751e5772b0cc39de3498bd88bf2db28074f4d63927427a2cc8ef1fafebaea3.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	39751e5772b0cc39de3498bd88bf2db28074f4d63927427a2cc8ef1fafebaea3.exe

C:\Users\Admin\AppData\Local\Temp\39751e5772b0cc39de3498bd88bf2db28074f4d63927427a2cc8ef1fafebaea3.exe
"C:\Users\Admin\AppData\Local\Temp\39751e5772b0cc39de3498bd88bf2db28074f4d63927427a2cc8ef1fafebaea3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4924
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4924 -s 352
  2⤵
  - Program crash
  PID:4232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4924 -ip 4924
1⤵
PID:1828

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

memory/4924-1-0x00000000005E0000-0x00000000006E0000-memory.dmp

Filesize
1024KB

Download
memory/4924-2-0x00000000020A0000-0x00000000020A9000-memory.dmp

Filesize
36KB

Download
memory/4924-3-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4924-4-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/4924-6-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4924-5-0x00000000020A0000-0x00000000020A9000-memory.dmp

Filesize
36KB

Download