neshta | faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b

General

Target

faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe
Size

619KB
MD5

aac0d0a0ee44507e808062e7490182ab
SHA1

90c0bad36477ad99961eac4f5eab433821d286d1
SHA256

faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b
SHA512

f999ce49df95145891ba3d9e268556d61c50a6b0e75edc39909dac916546bae900b2f35538780b4f5dff005dafe5ec6d043cdb34068836d0ca43e9027aa80124
SSDEEP

3072:sr85CdAnnnnnnnnnnnnnnnnttKR7EEusaY89j+sEoyV5/hH1ARqAnnnnnnnnnnn2:k9d2gR7Tusa99j+qouY2gR7Tusa99j+B

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:

faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.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:

faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe

pid process

5048 faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.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:

faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe

Drops file in Program Files directory 14 IoCs

Processes:

faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE	faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe	faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe

Drops file in Windows directory 1 IoCs

Processes:

faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe

description ioc process

File opened for modification C:\Windows\svchost.com faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

4972 taskkill.exe

description	ioc	process
File opened for modification	C:\Windows\svchost.com	faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe

pid	process
4972	taskkill.exe

Modifies registry class 1 IoCs

Processes:

faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 4972 taskkill.exe

description	pid	process
Token: SeDebugPrivilege	4972	taskkill.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe

pid	process
5048	faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe
5048	faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exefaccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.execmd.exe

description	pid	process	target process
PID 1184 wrote to memory of 5048	1184	faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe	faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe
PID 1184 wrote to memory of 5048	1184	faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe	faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe
PID 5048 wrote to memory of 4748	5048	faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe	cmd.exe
PID 5048 wrote to memory of 4748	5048	faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe	cmd.exe
PID 4748 wrote to memory of 4972	4748	cmd.exe	taskkill.exe
PID 4748 wrote to memory of 4972	4748	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe
"C:\Users\Admin\AppData\Local\Temp\faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.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:1184
- C:\Users\Admin\AppData\Local\Temp\3582-490\faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:5048
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\3582-490\killpatcher.bat""
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4748
  - - C:\Windows\system32\taskkill.exe
      TASKKILL /F /IM "faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe"
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:4972

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\faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe

Filesize
579KB

MD5
3f64795b285d66ef47df701eedecd782

SHA1
213dd8b0a0fbbb3e22a04ab45e937487acef6a6b

SHA256
d0a95f9f6554b6d0dce5b30319c6343617f510a766d0f8aae3f8287c0db15179

SHA512
8797625438292bbf32ea58c29ea9a9ab000fb08aa60140a4d1aedf394bda6e01c2df0dae47cd2473af1af47c55e312ca2b0d783f361c49a995e24d280f0cc66f

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\faccfbbdc313a2f4b1d80119de898312b8fd84f586c4d5cf2482382910940f1b.exe

Filesize
579KB

MD5
3f64795b285d66ef47df701eedecd782

SHA1
213dd8b0a0fbbb3e22a04ab45e937487acef6a6b

SHA256
d0a95f9f6554b6d0dce5b30319c6343617f510a766d0f8aae3f8287c0db15179

SHA512
8797625438292bbf32ea58c29ea9a9ab000fb08aa60140a4d1aedf394bda6e01c2df0dae47cd2473af1af47c55e312ca2b0d783f361c49a995e24d280f0cc66f

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\killpatcher.bat

Filesize
171B

MD5
9c5a78a2826530ddb888e64ccf272902

SHA1
33df1874f829e88901f6374bb14b59cc62a12ce6

SHA256
1f04226648269db2a6a5db210b351c39dd0e9fb57d323b5598ac029c988d9f8e

SHA512
6f79f53e3b3aed16ab8b23e600d81aee92fcf62f47551fa95ebebe33f779ea535d4df223fa9cce4b84b005b0da181eca544495ff91dc7c9e75a32b894c8d6fb6

Download Submit
memory/4748-137-0x0000000000000000-mapping.dmp

Download
memory/4972-139-0x0000000000000000-mapping.dmp

Download
memory/5048-132-0x0000000000000000-mapping.dmp

Download
memory/5048-135-0x00007FFECE0B0000-0x00007FFECEAE6000-memory.dmp

Filesize
10.2MB

Download
memory/5048-136-0x0000000000E9A000-0x0000000000E9F000-memory.dmp

Filesize
20KB

Download
memory/5048-140-0x0000000000E9A000-0x0000000000E9F000-memory.dmp

Filesize
20KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads