smokeloader | 198b6aba26ebae3961fdd6e9f9bcef1508d859e79be383ec52ab47beb7138888

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 21:51

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General

Target

198b6aba26ebae3961fdd6e9f9bcef1508d859e79be383ec52ab47beb7138888.exe
Size

232KB
MD5

9a180474bfbd301820f861eeb9042306
SHA1

a45142da2ca375cc9e287cf096c6be98b8a81b03
SHA256

198b6aba26ebae3961fdd6e9f9bcef1508d859e79be383ec52ab47beb7138888
SHA512

fd9b8329ca7c20ba57d1871a0ebaeaf2013b891e0d7e796beac507362abc30e8385a023d274922b5ae91f2b35b10277c3a21398e35f0447a473c62316ce18d29
SSDEEP

6144:zXDBpNzp9mNUaFrQbcqX7tNfVXVHQLIiu8cj:zXvNz2QbcwZGEX8cj

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
4812	198b6aba26ebae3961fdd6e9f9bcef1508d859e79be383ec52ab47beb7138888.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2324	4812	WerFault.exe	84

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	198b6aba26ebae3961fdd6e9f9bcef1508d859e79be383ec52ab47beb7138888.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	198b6aba26ebae3961fdd6e9f9bcef1508d859e79be383ec52ab47beb7138888.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	198b6aba26ebae3961fdd6e9f9bcef1508d859e79be383ec52ab47beb7138888.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	198b6aba26ebae3961fdd6e9f9bcef1508d859e79be383ec52ab47beb7138888.exe

C:\Users\Admin\AppData\Local\Temp\198b6aba26ebae3961fdd6e9f9bcef1508d859e79be383ec52ab47beb7138888.exe
"C:\Users\Admin\AppData\Local\Temp\198b6aba26ebae3961fdd6e9f9bcef1508d859e79be383ec52ab47beb7138888.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:4812
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 396
  2⤵
  - Program crash
  PID:2324

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4812 -ip 4812
1⤵
PID:4896

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

C:\Users\Admin\AppData\Local\Temp\1105.tmp

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
memory/4812-0-0x00000000030B0000-0x00000000030B8000-memory.dmp

Filesize
32KB

Download
memory/4812-1-0x00000000030C0000-0x00000000030C9000-memory.dmp

Filesize
36KB

Download
memory/4812-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4812-10-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4812-9-0x00000000030C0000-0x00000000030C9000-memory.dmp

Filesize
36KB

Download
memory/4812-8-0x00000000030B0000-0x00000000030B8000-memory.dmp

Filesize
32KB

Download
memory/4812-7-0x0000000000400000-0x0000000002F01000-memory.dmp

Filesize
43.0MB

Download