neshta | 5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b

Analysis

max time kernel
200s
max time network
259s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
02-12-2022 14:42

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General

Target

5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b.exe
Size

324KB
MD5

160db755d4a29ce692a241d911c5936a
SHA1

d955b84347c873d0686dd151bef0226e9c817559
SHA256

5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b
SHA512

797366386932943cc7c8af0871ec7bed945931f0f2d1a79b2db8a3bed7feb120e503669f772c710623c8af8f16645a31fe7a394f21873f6220fd9f51ecbcae9a
SSDEEP

6144:k9NoTdyHcW1WVe3KrkyO7feuJm3oDqb1f6ro+HqBEOljIkJeZdC7Ez:BTdyHcWuearkyO7feuJm4Of6rhqBdIku

Score

10^/10

neshta persistence spyware

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b.exe

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
Executes dropped EXE 1 IoCs

Processes:

5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b.exe

pid process

1200 5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b.exe

pid	process
1200	5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b.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:

5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b.exe

Drops file in Windows directory 1 IoCs

Processes:

5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b.exe

description ioc process

File opened for modification C:\Windows\svchost.com 5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b.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	5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b.exe

Modifies registry class 1 IoCs

Processes:

5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b.exe

description	pid	process	target process
PID 3060 wrote to memory of 1200	3060	5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b.exe	5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b.exe
PID 3060 wrote to memory of 1200	3060	5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b.exe	5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b.exe
PID 3060 wrote to memory of 1200	3060	5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b.exe	5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b.exe

C:\Users\Admin\AppData\Local\Temp\5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b.exe
"C:\Users\Admin\AppData\Local\Temp\5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b.exe"
1⤵
- Modifies system executable filetype association
- Checks computer location settings
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3060

C:\Users\Admin\AppData\Local\Temp\3582-490\5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b.exe
"C:\Users\Admin\AppData\Local\Temp\3582-490\5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b.exe"
2⤵
- Executes dropped EXE
PID:1200

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Change Default File Association

T1042

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\3582-490\5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b.exe
Filesize
283KB

MD5
73a1482736077c4ea4b0bc866dfcf227

SHA1
2d7f5159d31b1dbe704c66d4719ea3720e3e7f50

SHA256
3e57e868fd0e36f125abd8e223a682245f5e244a9990ebf113777a3c06a5c137

SHA512
906eee5573a8cec09e07b15605429225f2d947615bfa5f86022e8c4684d3c975cdee44a6d3b8f3865f4ea63a20b7d04ba852c967a92320d460d2a4dd9e1f3a37

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\5618dc48c1cc32e8450bc34fe82b5cda3b3141f87dc48f2ae19894b2f78f3d3b.exe
Filesize
283KB

MD5
73a1482736077c4ea4b0bc866dfcf227

SHA1
2d7f5159d31b1dbe704c66d4719ea3720e3e7f50

SHA256
3e57e868fd0e36f125abd8e223a682245f5e244a9990ebf113777a3c06a5c137

SHA512
906eee5573a8cec09e07b15605429225f2d947615bfa5f86022e8c4684d3c975cdee44a6d3b8f3865f4ea63a20b7d04ba852c967a92320d460d2a4dd9e1f3a37

Download Submit
memory/1200-132-0x0000000000000000-mapping.dmp

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