smokeloader | 8e41bb2066b636022e2c7d1772f211dd2d661e6d7fa4d1664bdc0b2f80009e77

Analysis

max time kernel
93s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26-09-2024 02:01

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General

Target

8e41bb2066b636022e2c7d1772f211dd2d661e6d7fa4d1664bdc0b2f80009e77.exe
Size

257KB
MD5

44146d1e227c749914f299b94deb5725
SHA1

99b0f3847ae488d8a88ae53e0071de38e84ddd5f
SHA256

8e41bb2066b636022e2c7d1772f211dd2d661e6d7fa4d1664bdc0b2f80009e77
SHA512

640b9e3b335a4bab1f9b1c6be5547ed77a5e00c9b91ec393126574cd61442b72e4b0908de0f5c47391a4ed179ed9b88666a19d818edbb9b57c1ab1d348c69ab3
SSDEEP

3072:yn6/vmOQOu0TEn/ckR5GEnO0O4yMCf53TfCT7LDcnpcn5r:y6mOQV04/cOQPOoKrDcnpcn5

Score

10^/10

smokeloader pub2 backdoor discovery trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub2

Signatures

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1068	3976	WerFault.exe	81

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	8e41bb2066b636022e2c7d1772f211dd2d661e6d7fa4d1664bdc0b2f80009e77.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	8e41bb2066b636022e2c7d1772f211dd2d661e6d7fa4d1664bdc0b2f80009e77.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8e41bb2066b636022e2c7d1772f211dd2d661e6d7fa4d1664bdc0b2f80009e77.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	8e41bb2066b636022e2c7d1772f211dd2d661e6d7fa4d1664bdc0b2f80009e77.exe

C:\Users\Admin\AppData\Local\Temp\8e41bb2066b636022e2c7d1772f211dd2d661e6d7fa4d1664bdc0b2f80009e77.exe
"C:\Users\Admin\AppData\Local\Temp\8e41bb2066b636022e2c7d1772f211dd2d661e6d7fa4d1664bdc0b2f80009e77.exe"
1⤵
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:3976
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3976 -s 352
  2⤵
  - Program crash
  PID:1068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3976 -ip 3976
1⤵
PID:1060

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/3976-1-0x0000000000490000-0x0000000000590000-memory.dmp

Filesize
1024KB

Download
memory/3976-2-0x0000000000620000-0x000000000062B000-memory.dmp

Filesize
44KB

Download
memory/3976-3-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3976-4-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3976-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3976-5-0x0000000000620000-0x000000000062B000-memory.dmp

Filesize
44KB

Download