neshta | 73801baa28785c295686c51154e9d8b91e1d249808a003dbbbee97de33d5228d

General

Target

835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
Size

1.1MB
MD5

e085e748221b5b6f32af4337de1db53d
SHA1

30c677c2773a6fffa6cf6ded75a3a9fbfbb3dd3d
SHA256

835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e
SHA512

6c67769778e45fafc3700e1fcb5572b3217109dee7f811c1e0e81b44ee87a9802e529da6eba0f95ee010650637994fdead4aed072e602c00fb62efaa4d8df698
SSDEEP

24576:SRBrzwX0YmJI8DRnCD4jtnT8Q1r0ly78ipwR7H:kJzdnm4lT8Q1r0pieR7H

Score

10^/10

neshta xmrig miner persistence spyware upx

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig

XMRig Miner payload 1 IoCs

miner

Processes:

resource	yara_rule
behavioral2/memory/3380-135-0x0000000000400000-0x0000000000871000-memory.dmp	xmrig

Executes dropped EXE 1 IoCs

Processes:

835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe

pid process

3380 835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe

pid	process
3380	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\3582-490\835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe	upx
C:\Users\Admin\AppData\Local\Temp\3582-490\835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe	upx
behavioral2/memory/3380-135-0x0000000000400000-0x0000000000871000-memory.dmp	upx

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:

835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe

Drops file in Program Files directory 30 IoCs

Processes:

835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\WOW_HE~1.EXE	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\ADOBEA~1.EXE	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\Google\Update\DISABL~1.EXE	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jusched.exe	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe

Drops file in Windows directory 1 IoCs

Processes:

835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe

description ioc process

File opened for modification C:\Windows\svchost.com 835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Windows\svchost.com	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe

Modifies registry class 1 IoCs

Processes:

835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe

description	pid	process	target process
PID 4728 wrote to memory of 3380	4728	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
PID 4728 wrote to memory of 3380	4728	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
PID 4728 wrote to memory of 3380	4728	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe	835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe

C:\Users\Admin\AppData\Local\Temp\835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
"C:\Users\Admin\AppData\Local\Temp\835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.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:4728

C:\Users\Admin\AppData\Local\Temp\3582-490\835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe"
2⤵
- Executes dropped EXE
PID:3380

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\3582-490\835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe

Filesize
1.1MB

MD5
80ff3475582de86c9132364ac9f973c0

SHA1
cc1f51b642d6cf47ee809d1015f174a0adb06841

SHA256
612aa000654882bbb324a233f7599cb4e1eb6fa74c9c29f8cbcd49f158c0d214

SHA512
a65374d87bd1bae1a106c423dffd91936892cb76ee0dace833e600baaef65f06c865811ba3882aa7b69033b127355fed2d3770d81f2efe5c6ef954aaa5be72bf

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\835a2d19698f5ac78ff27746b78837a6a66150e49c1fcc87fec54fee6482d36e.exe

Filesize
1.1MB

MD5
80ff3475582de86c9132364ac9f973c0

SHA1
cc1f51b642d6cf47ee809d1015f174a0adb06841

SHA256
612aa000654882bbb324a233f7599cb4e1eb6fa74c9c29f8cbcd49f158c0d214

SHA512
a65374d87bd1bae1a106c423dffd91936892cb76ee0dace833e600baaef65f06c865811ba3882aa7b69033b127355fed2d3770d81f2efe5c6ef954aaa5be72bf

Download Submit
memory/3380-132-0x0000000000000000-mapping.dmp

Download
memory/3380-135-0x0000000000400000-0x0000000000871000-memory.dmp

Filesize
4.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads