smokeloader | ac8c8fb1944db297b82995c4d13648d2d7c3884d59a033c8c14db845597eef6c

Analysis

max time kernel
90s
max time network
101s
platform
windows11-21h2_x64
resource
win11-20240709-en
resource tags

arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
submitted
27-07-2024 03:54

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General

Target

ac8c8fb1944db297b82995c4d13648d2d7c3884d59a033c8c14db845597eef6c.exe
Size

227KB
MD5

c6a9ab6339f8617d18f8966aa1359f34
SHA1

67ffa3bb4d7ef16fb9685702e06c9910a369f74f
SHA256

ac8c8fb1944db297b82995c4d13648d2d7c3884d59a033c8c14db845597eef6c
SHA512

3df1613df775229d9cfba5863afddf9f427f1eee985274e81f9725e1ca3ec04c6c1f68e5533946a55fcbcc117d7fe5df11aa5ac1e20975ea6ca213c04769a6f8
SSDEEP

3072:LCVuay93ub/RkG7Q9UHdwYkPcCdMG/vWN4qQOzL1yzErKpM:Ocay93G/RkG7Q95kCdmCVOlyzErK

Score

10^/10

smokeloader pub1 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2308 3708 WerFault.exe ac8c8fb1944db297b82995c4d13648d2d7c3884d59a033c8c14db845597eef6c.exe

pid	pid_target	process	target process
2308	3708	WerFault.exe	ac8c8fb1944db297b82995c4d13648d2d7c3884d59a033c8c14db845597eef6c.exe

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

Processes:

ac8c8fb1944db297b82995c4d13648d2d7c3884d59a033c8c14db845597eef6c.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ac8c8fb1944db297b82995c4d13648d2d7c3884d59a033c8c14db845597eef6c.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

Processes:

ac8c8fb1944db297b82995c4d13648d2d7c3884d59a033c8c14db845597eef6c.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ac8c8fb1944db297b82995c4d13648d2d7c3884d59a033c8c14db845597eef6c.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ac8c8fb1944db297b82995c4d13648d2d7c3884d59a033c8c14db845597eef6c.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	ac8c8fb1944db297b82995c4d13648d2d7c3884d59a033c8c14db845597eef6c.exe

C:\Users\Admin\AppData\Local\Temp\ac8c8fb1944db297b82995c4d13648d2d7c3884d59a033c8c14db845597eef6c.exe
"C:\Users\Admin\AppData\Local\Temp\ac8c8fb1944db297b82995c4d13648d2d7c3884d59a033c8c14db845597eef6c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:3708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3708 -s 388
2⤵
- Program crash
PID:2308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3708 -ip 3708
1⤵
PID:4880

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/3708-2-0x0000000004160000-0x000000000416B000-memory.dmp

Filesize
44KB

Download
memory/3708-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3708-1-0x00000000026B0000-0x00000000027B0000-memory.dmp

Filesize
1024KB

Download
memory/3708-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3708-4-0x0000000000400000-0x0000000002452000-memory.dmp

Filesize
32.3MB

Download