neshta | b32a1e21f9941f2e70fac915af9cea3add6f859b8ccca73cc5aadf369af3ae1c

General

Target

tmp.exe
Size

153KB
MD5

74cf39132e2b3d825a2f6c0b9cd4ba90
SHA1

df674c8c6156698be10c0285fb3bc56a2daab533
SHA256

b32a1e21f9941f2e70fac915af9cea3add6f859b8ccca73cc5aadf369af3ae1c
SHA512

a6794a1b3ee3a374724a25a092f855460c9fc5cba002f7b414152ca8314ecaf1ee97b1e79d2c69cf768a589367a1af22ae49cf882a24558c3bde9e7b37de8d06

Score

10^/10

neshta warzonerat infostealer persistence rat spyware stealer

Malware Config

Extracted

Family

warzonerat

C2

dropy1.ddns.net:5200

Signatures

Modifies system executable filetype association 2 TTPs 1 IoCs
persistence

Modify Registry
T1112

Change Default File Association
T1042

Processes:

tmp.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*" tmp.exe
Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
WarzoneRat, AveMaria
WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.
rat infostealer warzonerat

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

Warzone RAT payload 4 IoCs

rat

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\3582-490\tmp.exe	warzonerat
C:\Users\Admin\AppData\Local\Temp\3582-490\tmp.exe	warzonerat
C:\ProgramData\images.exe	warzonerat
C:\ProgramData\images.exe	warzonerat

Executes dropped EXE 2 IoCs

Processes:

tmp.exeimages.exe

pid process

4880 tmp.exe
4968 images.exe
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

Processes:

tmp.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\Control Panel\International\Geo\Nation tmp.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

pid	process
4880	tmp.exe
4968	images.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\Control Panel\International\Geo\Nation	tmp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

tmp.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Images = "C:\\ProgramData\\images.exe"	tmp.exe

Drops file in Program Files directory 64 IoCs

Processes:

tmp.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\Download\{F3C4F~1\13165~1.21\MICROS~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe	tmp.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpconfig.exe	tmp.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	tmp.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe	tmp.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmplayer.exe	tmp.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe	tmp.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	tmp.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpshare.exe	tmp.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	tmp.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	tmp.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	tmp.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE	tmp.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	tmp.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	tmp.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\setup_wm.exe	tmp.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	tmp.exe
File opened for modification	C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe	tmp.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	tmp.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe	tmp.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wab.exe	tmp.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MI391D~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~2.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~4.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe	tmp.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MIA062~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	tmp.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	tmp.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~3.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MI9C33~1.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	tmp.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	tmp.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE	tmp.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	tmp.exe

Drops file in Windows directory 1 IoCs

Processes:

tmp.exe

description ioc process

File opened for modification C:\Windows\svchost.com tmp.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Modifies registry class 1 IoCs

Processes:

tmp.exe

description ioc process

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

description	ioc	process
File opened for modification	C:\Windows\svchost.com	tmp.exe

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

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

tmp.exetmp.exeimages.exe

description	pid	process	target process
PID 3892 wrote to memory of 4880	3892	tmp.exe	tmp.exe
PID 3892 wrote to memory of 4880	3892	tmp.exe	tmp.exe
PID 3892 wrote to memory of 4880	3892	tmp.exe	tmp.exe
PID 4880 wrote to memory of 4968	4880	tmp.exe	images.exe
PID 4880 wrote to memory of 4968	4880	tmp.exe	images.exe
PID 4880 wrote to memory of 4968	4880	tmp.exe	images.exe
PID 4968 wrote to memory of 3948	4968	images.exe	cmd.exe
PID 4968 wrote to memory of 3948	4968	images.exe	cmd.exe
PID 4968 wrote to memory of 3948	4968	images.exe	cmd.exe
PID 4968 wrote to memory of 3948	4968	images.exe	cmd.exe
PID 4968 wrote to memory of 3948	4968	images.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Modifies system executable filetype association
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3892
- C:\Users\Admin\AppData\Local\Temp\3582-490\tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\tmp.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4880
- - C:\ProgramData\images.exe
    "C:\ProgramData\images.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:4968
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe"
      4⤵
      PID:3948

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\images.exe

Filesize
113KB

MD5
ee6e1f4747970b4a632a44bb94306252

SHA1
2d9742c91dfd01e5a30a3e2aa2e122614a12431a

SHA256
4ae55af5ce1e246f3e044a5be932529618bb8d8d7738ad41ffcb999c54a927de

SHA512
f31fc26856cfb6db0bece9536037fed0352d7520ecdff23b5f0b247d668d97e33749ef0e7f34ffd217b30249d88a307f821e540cb0fe6374cf48e01e30562106

Download Submit
C:\ProgramData\images.exe

Filesize
113KB

MD5
ee6e1f4747970b4a632a44bb94306252

SHA1
2d9742c91dfd01e5a30a3e2aa2e122614a12431a

SHA256
4ae55af5ce1e246f3e044a5be932529618bb8d8d7738ad41ffcb999c54a927de

SHA512
f31fc26856cfb6db0bece9536037fed0352d7520ecdff23b5f0b247d668d97e33749ef0e7f34ffd217b30249d88a307f821e540cb0fe6374cf48e01e30562106

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\tmp.exe

Filesize
113KB

MD5
ee6e1f4747970b4a632a44bb94306252

SHA1
2d9742c91dfd01e5a30a3e2aa2e122614a12431a

SHA256
4ae55af5ce1e246f3e044a5be932529618bb8d8d7738ad41ffcb999c54a927de

SHA512
f31fc26856cfb6db0bece9536037fed0352d7520ecdff23b5f0b247d668d97e33749ef0e7f34ffd217b30249d88a307f821e540cb0fe6374cf48e01e30562106

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\tmp.exe

Filesize
113KB

MD5
ee6e1f4747970b4a632a44bb94306252

SHA1
2d9742c91dfd01e5a30a3e2aa2e122614a12431a

SHA256
4ae55af5ce1e246f3e044a5be932529618bb8d8d7738ad41ffcb999c54a927de

SHA512
f31fc26856cfb6db0bece9536037fed0352d7520ecdff23b5f0b247d668d97e33749ef0e7f34ffd217b30249d88a307f821e540cb0fe6374cf48e01e30562106

Download Submit
memory/3948-138-0x0000000000000000-mapping.dmp

Download
memory/3948-139-0x0000000000B60000-0x0000000000B61000-memory.dmp

Filesize
4KB

Download
memory/4880-132-0x0000000000000000-mapping.dmp

Download
memory/4968-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads