neshta | 97db074429c34620602136cd6635bab0ecf8fea57ecfc28e40f533e34bbe8498

Analysis

max time kernel
151s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
22/08/2022, 15:01

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General

Target
0x000a00000001318e-58.exe
Size 167KB
Sample220822-sedsdacch6
SHA256 97db074429c34620602136cd6635bab0ecf8fea57ecfc28e40f533e34bbe8498
MD5 bb4fe0df11de82bf9a3157ef12a89f22
SHA1 965ef5e758da721498d261b0f5b141b08a40d0b4
SHA512 8c848a25ef5375ee30fc9b73fdfb7041eac3a12177cd90cd00846cd3f80b482ddb31c33865bc9da02ee0fce55691c15f625717733f76dcb1e0de3810861fee76
MD5 SHA1 SHA512

Score

10^/10

neshta snakekeylogger collection keylogger persistence spyware stealer

Malware Config

Extracted

Credentials

Protocol
smtp
Host
smtp.gmail.com
Port
587
Username
[email protected]
Password
ajudqyuumffzusvv

Extracted

Family

snakekeylogger

Credentials

Protocol
smtp
Host
smtp.gmail.com
Port
587
Username
[email protected]
Password
ajudqyuumffzusvv
Email to
[email protected]

Signatures

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	0x000a00000001318e-58.exe

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

Snake Keylogger payload 3 IoCs

resource	yara_rule
behavioral2/files/0x000a000000022f5d-133.dat	family_snakekeylogger
behavioral2/files/0x000a000000022f5d-134.dat	family_snakekeylogger
behavioral2/memory/2212-135-0x0000000000CA0000-0x0000000000CC6000-memory.dmp	family_snakekeylogger

Executes dropped EXE 1 IoCs

pid	Process
2212	0x000a00000001318e-58.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	0x000a00000001318e-58.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
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0x000a00000001318e-58.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0x000a00000001318e-58.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0x000a00000001318e-58.exe

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
2	checkip.dyndns.org

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{0453A9B3-D658-41C4-A700-54CCC08CD46B}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{FC95E43A-AAC0-46D0-A9F2-A3CB3C070D15}.catalogItem	svchost.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\msedge.exe	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~4.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wab.exe	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmlaunch.exe	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\104012~1.47\msedge.exe	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\104012~1.47\MSEDGE~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MIA062~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MICROS~2.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~3\Adobe\Setup\{AC76B~1\setup.exe	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\104012~1.47\PWAHEL~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\UNINST~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13165~1.21\MI9C33~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\104012~1.47\INSTAL~1\setup.exe	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\INSTAL~1\setup.exe	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\104012~1.47\COOKIE~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\setup_wm.exe	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EdgeCore\104012~1.47\BHO\IE_TO_~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\MicrosoftEdgeUpdate.exe	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\MOZILL~1\MAINTE~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpconfig.exe	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\Download\{F3C4F~1\13165~1.21\MICROS~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	0x000a00000001318e-58.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	0x000a00000001318e-58.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.com	0x000a00000001318e-58.exe

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

System Information Discovery
T1082

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.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\" %*"	0x000a00000001318e-58.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2212	0x000a00000001318e-58.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2212	0x000a00000001318e-58.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2212	0x000a00000001318e-58.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1152 wrote to memory of 2212	1152	0x000a00000001318e-58.exe	75
PID 1152 wrote to memory of 2212	1152	0x000a00000001318e-58.exe	75
PID 1152 wrote to memory of 2212	1152	0x000a00000001318e-58.exe	75

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0x000a00000001318e-58.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0x000a00000001318e-58.exe

C:\Users\Admin\AppData\Local\Temp\0x000a00000001318e-58.exe
"C:\Users\Admin\AppData\Local\Temp\0x000a00000001318e-58.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:1152
- C:\Users\Admin\AppData\Local\Temp\3582-490\0x000a00000001318e-58.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\0x000a00000001318e-58.exe"
  2⤵
  - Executes dropped EXE
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2212

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:4284

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

T1042

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

0x000a00000001318e-58.exe

Path C:\Users\Admin\AppData\Local\Temp\3582-490\0x000a00000001318e-58.exe
Size 127KB
SHA256 b40a784e33284d4379663462415264f23d93ebff448b5619b2a7a0065f6e454a
MD5 834a6604493ff3b917a2971f1bc476a5
SHA1 62f0ed220a576d91aa26305b4fe951bea4fbe881
SHA512 6162aee0201d66205d6083753e7586a0225e910a135c963cc55f43b5a51147a3c50ea4d18ea5c10a6deb8e5aaa78377743d09a9fcd043d1b030d6c745988a0ef
SSDEEP 1536:0kAi/bFAcsJs6fL9lm0Hk3HJ9S+hktvYb13pMb/UyQnpiOWB0xF0Kcl:0kAi/sNlm0Hk3HbSDY7Mb8dpwB0xFbY
MD5 SHA1 SHA512 SSDEEP

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0x000a00000001318e-58.exe

Path C:\Users\Admin\AppData\Local\Temp\3582-490\0x000a00000001318e-58.exe
Size 127KB
SHA256 b40a784e33284d4379663462415264f23d93ebff448b5619b2a7a0065f6e454a
MD5 834a6604493ff3b917a2971f1bc476a5
SHA1 62f0ed220a576d91aa26305b4fe951bea4fbe881
SHA512 6162aee0201d66205d6083753e7586a0225e910a135c963cc55f43b5a51147a3c50ea4d18ea5c10a6deb8e5aaa78377743d09a9fcd043d1b030d6c745988a0ef
SSDEEP 1536:0kAi/bFAcsJs6fL9lm0Hk3HJ9S+hktvYb13pMb/UyQnpiOWB0xF0Kcl:0kAi/sNlm0Hk3HbSDY7Mb8dpwB0xFbY
MD5 SHA1 SHA512 SSDEEP

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memory/2212-135-0x0000000000CA0000-0x0000000000CC6000-memory.dmp

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memory/2212-136-0x0000000005C40000-0x00000000061E4000-memory.dmp

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memory/2212-137-0x0000000005690000-0x000000000572C000-memory.dmp

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memory/2212-138-0x0000000006AE0000-0x0000000006CA2000-memory.dmp

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memory/2212-139-0x0000000006E50000-0x0000000006EE2000-memory.dmp

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memory/2212-140-0x0000000007220000-0x000000000722A000-memory.dmp

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