smokeloader | 91dfc34bf5ecc186d6668ceb2acfab1fc16ba980b11954b0ce3c3dac7a82b44e

Analysis

max time kernel
135s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
25-07-2024 12:59

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General

Target

91dfc34bf5ecc186d6668ceb2acfab1fc16ba980b11954b0ce3c3dac7a82b44e.exe
Size

326KB
MD5

aeea166b4212d0a9efb77f5e0e8946d2
SHA1

90a6a2db59db8627b652222209ef5321740f09ad
SHA256

91dfc34bf5ecc186d6668ceb2acfab1fc16ba980b11954b0ce3c3dac7a82b44e
SHA512

37a9d8fc1f452bb46c01833a8c3cb77aa871711c674572fd4cf271b8649528a1071a6b9c43ef69f32e2cca52f8335141c3d93d98fd28a1c38430708d585f9496
SSDEEP

3072:6h3og3d7KbmYwObvB/7FJdiH+cH8nGPZpspUMnT1:aYgN7KbmYwAv97FJdS+iIKz+nT

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

1632 3432 WerFault.exe 91dfc34bf5ecc186d6668ceb2acfab1fc16ba980b11954b0ce3c3dac7a82b44e.exe

pid	pid_target	process	target process
1632	3432	WerFault.exe	91dfc34bf5ecc186d6668ceb2acfab1fc16ba980b11954b0ce3c3dac7a82b44e.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:

91dfc34bf5ecc186d6668ceb2acfab1fc16ba980b11954b0ce3c3dac7a82b44e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	91dfc34bf5ecc186d6668ceb2acfab1fc16ba980b11954b0ce3c3dac7a82b44e.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:

91dfc34bf5ecc186d6668ceb2acfab1fc16ba980b11954b0ce3c3dac7a82b44e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	91dfc34bf5ecc186d6668ceb2acfab1fc16ba980b11954b0ce3c3dac7a82b44e.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	91dfc34bf5ecc186d6668ceb2acfab1fc16ba980b11954b0ce3c3dac7a82b44e.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	91dfc34bf5ecc186d6668ceb2acfab1fc16ba980b11954b0ce3c3dac7a82b44e.exe

C:\Users\Admin\AppData\Local\Temp\91dfc34bf5ecc186d6668ceb2acfab1fc16ba980b11954b0ce3c3dac7a82b44e.exe
"C:\Users\Admin\AppData\Local\Temp\91dfc34bf5ecc186d6668ceb2acfab1fc16ba980b11954b0ce3c3dac7a82b44e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:3432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3432 -s 356
2⤵
- Program crash
PID:1632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3432 -ip 3432
1⤵
PID:2044

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/3432-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3432-2-0x00000000026D0000-0x00000000026DB000-memory.dmp

Filesize
44KB

Download
memory/3432-1-0x00000000026E0000-0x00000000027E0000-memory.dmp

Filesize
1024KB

Download
memory/3432-4-0x0000000000400000-0x000000000246A000-memory.dmp

Filesize
32.4MB

Download