neshta | d1da6ec1ad358e81b983f7fd9aefd36fcdbbd8beaee7b0b81827de2596fa9f2a

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2024 14:27

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General

Target

9c123a09cb57f3b95f8e51a9fc2579a9_JaffaCakes118.exe
Size

976KB
MD5

9c123a09cb57f3b95f8e51a9fc2579a9
SHA1

8db03484918b05e7c7b0d000aab2220dd4490564
SHA256

d1da6ec1ad358e81b983f7fd9aefd36fcdbbd8beaee7b0b81827de2596fa9f2a
SHA512

b1937ed3c182794d03292f76eb76deb4bc5bb1428462ded1675be8d0abdd140e9216e2e828dd514884c61ad794583f56f58aede0b96e70f242e56ca1eaa51c0b
SSDEEP

24576:Ngc1riyXHE/S1GNiLNjlGDcw30bboJ4ZHPTV9XF7A7:Ngc1uMHB1SiLNpGDcjYJ4ZvPF

Score

10^/10

neshta credential_access discovery evasion persistence spyware stealer

Malware Config

Signatures

Detect Neshta payload 5 IoCs

resource	yara_rule
behavioral2/files/0x000c000000023b5f-11.dat	family_neshta
behavioral2/memory/2748-16-0x0000000000400000-0x000000000053C000-memory.dmp	family_neshta
behavioral2/memory/4456-122-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4456-124-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta
behavioral2/memory/4456-127-0x0000000000400000-0x000000000041B000-memory.dmp	family_neshta

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
Neshta family
neshta

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	CFPRO.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	CFPRO.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	9c123a09cb57f3b95f8e51a9fc2579a9_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
4456	CFPRO.exe
1220	CFPRO.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Wine	CFPRO.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	CFPRO.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
5	whatismyip.akamai.com

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1220	CFPRO.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	CFPRO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	CFPRO.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpshare.exe	CFPRO.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	CFPRO.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	CFPRO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe	CFPRO.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF5AF~1\WINDOW~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{D87AE~1\WINDOW~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	CFPRO.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	CFPRO.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	CFPRO.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~4.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MI9C33~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\setup_wm.exe	CFPRO.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{63880~1\WINDOW~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	CFPRO.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	CFPRO.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GO664E~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOBD5D~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wab.exe	CFPRO.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	CFPRO.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~4.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	CFPRO.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.371\GOOGLE~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpconfig.exe	CFPRO.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	CFPRO.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Oracle\Java\javapath\java.exe	CFPRO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmlaunch.exe	CFPRO.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe	CFPRO.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmplayer.exe	CFPRO.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	CFPRO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~2.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	CFPRO.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe	CFPRO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~3.EXE	CFPRO.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13147~1.37\MICROS~1.EXE	CFPRO.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	CFPRO.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 3 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	9c123a09cb57f3b95f8e51a9fc2579a9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CFPRO.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CFPRO.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	9c123a09cb57f3b95f8e51a9fc2579a9_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	9c123a09cb57f3b95f8e51a9fc2579a9_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	9c123a09cb57f3b95f8e51a9fc2579a9_JaffaCakes118.exe

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	CFPRO.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2748	9c123a09cb57f3b95f8e51a9fc2579a9_JaffaCakes118.exe
2748	9c123a09cb57f3b95f8e51a9fc2579a9_JaffaCakes118.exe
2748	9c123a09cb57f3b95f8e51a9fc2579a9_JaffaCakes118.exe
2748	9c123a09cb57f3b95f8e51a9fc2579a9_JaffaCakes118.exe
2748	9c123a09cb57f3b95f8e51a9fc2579a9_JaffaCakes118.exe
2748	9c123a09cb57f3b95f8e51a9fc2579a9_JaffaCakes118.exe
1220	CFPRO.exe
1220	CFPRO.exe
1220	CFPRO.exe
1220	CFPRO.exe
1220	CFPRO.exe
1220	CFPRO.exe
1220	CFPRO.exe
1220	CFPRO.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1220	CFPRO.exe
Token: SeDebugPrivilege	1220	CFPRO.exe
Token: SeDebugPrivilege	1220	CFPRO.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1220	CFPRO.exe
1220	CFPRO.exe
1220	CFPRO.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 4456	2748	9c123a09cb57f3b95f8e51a9fc2579a9_JaffaCakes118.exe	99
PID 2748 wrote to memory of 4456	2748	9c123a09cb57f3b95f8e51a9fc2579a9_JaffaCakes118.exe	99
PID 2748 wrote to memory of 4456	2748	9c123a09cb57f3b95f8e51a9fc2579a9_JaffaCakes118.exe	99
PID 4456 wrote to memory of 1220	4456	CFPRO.exe	100
PID 4456 wrote to memory of 1220	4456	CFPRO.exe	100
PID 4456 wrote to memory of 1220	4456	CFPRO.exe	100

C:\Users\Admin\AppData\Local\Temp\9c123a09cb57f3b95f8e51a9fc2579a9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9c123a09cb57f3b95f8e51a9fc2579a9_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Users\Admin\AppData\Local\Temp\CFPRO.exe
  "C:\Users\Admin\AppData\Local\Temp\CFPRO.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:4456
- - C:\Users\Admin\AppData\Local\Temp\3582-490\CFPRO.exe
    "C:\Users\Admin\AppData\Local\Temp\3582-490\CFPRO.exe"
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Executes dropped EXE
    - Identifies Wine through registry keys
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\3582-490\CFPRO.exe

Filesize
860KB

MD5
539d1008308475ddeea16a5b1cf6f0b1

SHA1
ace91263ff5566929f320370a24e987de4b39228

SHA256
dd7d13dd866b994d6fe64d34b61d7e6511c12cd3bfed9a85223472697a960468

SHA512
11772f4fef2ac08b918c5ab927034cd4859cff7f5cc478b04e622a3e3622289c5b774e285b551120016d5d9577ddd0c9dc641ce8bd9f8a98a931836a2f4e5027

Download Submit
C:\Users\Admin\AppData\Local\Temp\CFPRO.exe

Filesize
900KB

MD5
fb48bc20cf4bcf8c2961a7049e59754a

SHA1
dc89ab96ad07d2cdeda425d2024552c6783165b9

SHA256
28f446ab447ea82d0c2165f4a474177ed654fbc069e01e2d56235922cbbcd8a7

SHA512
8e7d434c36785f09bf8a87ad3f6867fbc8b9efc6625effcb51f2918092262a2addecd6fe6a6e64e3e3907b4c705f5560b583898c0a2a8638e0b7a0ea5fcf5b6b

Download Submit
memory/1220-30-0x0000000000401000-0x000000000040B000-memory.dmp

Filesize
40KB

Download
memory/1220-28-0x0000000000400000-0x00000000005D7000-memory.dmp

Filesize
1.8MB

Download
memory/1220-29-0x0000000076FB4000-0x0000000076FB6000-memory.dmp

Filesize
8KB

Download
memory/1220-33-0x0000000000400000-0x00000000005D7000-memory.dmp

Filesize
1.8MB

Download
memory/1220-35-0x0000000000400000-0x00000000005D7000-memory.dmp

Filesize
1.8MB

Download
memory/1220-36-0x0000000000400000-0x00000000005D7000-memory.dmp

Filesize
1.8MB

Download
memory/2748-16-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/2748-0-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/4456-122-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4456-124-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/4456-127-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download