1dafa2d396944670c20ae276dbb1b4d1c422014636c4d9d7507635974c5f4cf4

Analysis

max time kernel
121s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08-09-2024 02:59

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General

Target

2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Size

344KB
MD5

8bfd1dd7dad6381c7644f4bcd2e28a56
SHA1

6640158fc0b25c5aca86eeabb33fd92984723576
SHA256

1dafa2d396944670c20ae276dbb1b4d1c422014636c4d9d7507635974c5f4cf4
SHA512

2ffb207c78258d382a217696f1c3c2566975c89236978c53a33648fca318bbfba8b62c4019fbcae5e079226bb6b832204fdbe113748d8847528dd98e8cc878a8
SSDEEP

6144:ETz+WrPFZvTXb4RyW42vFlOloh2E+7pYUozDBRm1+gmN:ETBPFV0RyWl3h2E+7pYm0

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe

Executes dropped EXE 2 IoCs

pid	Process
4996	csrssys.exe
684	csrssys.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 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	csrssys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe

Modifies registry class 30 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\.exe\Content-Type = "application/x-msdownload"	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\wexplorer	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\wexplorer\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Sys32\\csrssys.exe\" /START \"%1\" %*"	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\wexplorer\shell\open\command\IsolatedCommand = "\"%1\" %*"	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\wexplorer\shell\runas\command\IsolatedCommand = "\"%1\" %*"	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\.exe\shell	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\wexplorer\ = "Application"	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\wexplorer\shell\runas\command\ = "\"%1\" %*"	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\.exe\ = "wexplorer"	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\.exe\shell\runas	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\wexplorer\shell\open\command	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\.exe	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\.exe\DefaultIcon	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\wexplorer\Content-Type = "application/x-msdownload"	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\wexplorer\shell	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\wexplorer\shell\open	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\.exe\DefaultIcon\ = "%1"	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\.exe\shell\open	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\.exe\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Sys32\\csrssys.exe\" /START \"%1\" %*"	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\.exe\shell\runas\command\ = "\"%1\" %*"	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\wexplorer\DefaultIcon	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\wexplorer\DefaultIcon\ = "%1"	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\wexplorer\shell\runas\command	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\.exe\shell\open\command\IsolatedCommand = "\"%1\" %*"	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\.exe\shell\runas\command\IsolatedCommand = "\"%1\" %*"	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\wexplorer\shell\runas	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\.exe\shell\open\command	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\.exe\shell\runas\command	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\Local Settings	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	4996	csrssys.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4836 wrote to memory of 4996	4836	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe	88
PID 4836 wrote to memory of 4996	4836	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe	88
PID 4836 wrote to memory of 4996	4836	2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe	88
PID 4996 wrote to memory of 684	4996	csrssys.exe	89
PID 4996 wrote to memory of 684	4996	csrssys.exe	89
PID 4996 wrote to memory of 684	4996	csrssys.exe	89

C:\Users\Admin\AppData\Local\Temp\2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-08_8bfd1dd7dad6381c7644f4bcd2e28a56_mafia_nionspy.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4836
- C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\csrssys.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\csrssys.exe" /START "C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\csrssys.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4996
- - C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\csrssys.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Sys32\csrssys.exe"
    3⤵
    - Executes dropped EXE
    PID:684

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\Roaming\Microsoft\Sys32\csrssys.exe

Filesize
344KB

MD5
1c56dbc1f839d18f9b7b9d73009ff676

SHA1
5830fc4e73d44b5247646d7f9e5ff7f2a6db81eb

SHA256
126899fde0e6042d546182f5045a1cfe1ef2fea26a2c8d4d3084f23cf4680c12

SHA512
48b9fd563ae821b70a4b6f27c150b5263518cca135a792d8e0901ae3277338cfcfd8d497a7bcb14ca0a2542f1d6a3910d96b372a0b36f05cc321bd9c99cb2832

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