smokeloader | 9608129701213f7565040f385e8c263d0daaa01ce31dcc7f95a7584c7bf4ad44

Analysis

max time kernel
93s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
31-07-2024 10:53

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General

Target

f4f625c6ec130389122077c9650b1c195a7793a173a621416cea8622c14405fc.exe
Size

232KB
MD5

37b6a0a0b3ee21d33fcdd3cea388e67f
SHA1

236eb8ab28cce563bcb05c38e051d418f237a725
SHA256

f4f625c6ec130389122077c9650b1c195a7793a173a621416cea8622c14405fc
SHA512

d3f087a9a1101d1450fc037be5debd9ef679ee8c3e93749e1d4b7dcba4a306bcf4e9c9a7dea7a3768f07f7b3534e84a5ccb9ed9bc13136370391859c26877447
SSDEEP

3072:HGxKfv13piX2VAFNMxJcm9HqzniJNbIseUs/G5H+CNf4/AWaSkSJu98vd:Zv13pi0AFN0rEniJNbIseUsSIADG8el

Score

10^/10

smokeloader backdoor discovery trojan

Malware Config

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
3952	f4f625c6ec130389122077c9650b1c195a7793a173a621416cea8622c14405fc.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2340	3952	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	f4f625c6ec130389122077c9650b1c195a7793a173a621416cea8622c14405fc.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	f4f625c6ec130389122077c9650b1c195a7793a173a621416cea8622c14405fc.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f4f625c6ec130389122077c9650b1c195a7793a173a621416cea8622c14405fc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	f4f625c6ec130389122077c9650b1c195a7793a173a621416cea8622c14405fc.exe

C:\Users\Admin\AppData\Local\Temp\f4f625c6ec130389122077c9650b1c195a7793a173a621416cea8622c14405fc.exe
"C:\Users\Admin\AppData\Local\Temp\f4f625c6ec130389122077c9650b1c195a7793a173a621416cea8622c14405fc.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:3952
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3952 -s 380
  2⤵
  - Program crash
  PID:2340

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3952 -ip 3952
1⤵
PID:2856

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/3952-0-0x0000000004C50000-0x0000000004C58000-memory.dmp

Filesize
32KB

Download
memory/3952-1-0x0000000004C60000-0x0000000004C69000-memory.dmp

Filesize
36KB

Download
memory/3952-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3952-9-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3952-8-0x0000000004C50000-0x0000000004C58000-memory.dmp

Filesize
32KB

Download
memory/3952-7-0x0000000000400000-0x0000000002F01000-memory.dmp

Filesize
43.0MB

Download