neshta | 55d726f18ff6c6a006fa861edd7b8a7cba7534d2900daffed6c04714c54f4bb1

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 10:20

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General

Target

$PLUGINSDIR/azxcktqvoyc.dll
Size

32KB
MD5

26ffa4722b447fff084a239b44f7cac9
SHA1

39f7ad0bf15f3dcf6e67141108476abea370f7e3
SHA256

77aba174986d7969103ae452fd1193ccb9dc495a4579fa4b7f2939e367b33121
SHA512

118068c79e021899abeeb9a17e548b9887af536fc9b8a9a35358ef85980d31fc5192f989a4d5d1a3826c63882888cdc10ac3c5f3918a4172bbf547643ff75532
SSDEEP

384:6eyzsup6rnYbZmywovTGUuoyD2mFTDw4ujoXIlOzBplLkFzSKmW26W:6eyP6Umy5qUuo/mFX91p

Score

10^/10

neshta discovery persistence spyware

Malware Config

Signatures

Detect Neshta payload 1 IoCs

resource	yara_rule
behavioral3/memory/2664-1-0x0000000000120000-0x000000000013B000-memory.dmp	family_neshta

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2804	2664	WerFault.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2180	2648	rundll32.exe	30
PID 2648 wrote to memory of 2180	2648	rundll32.exe	30
PID 2648 wrote to memory of 2180	2648	rundll32.exe	30
PID 2648 wrote to memory of 2180	2648	rundll32.exe	30
PID 2648 wrote to memory of 2180	2648	rundll32.exe	30
PID 2648 wrote to memory of 2180	2648	rundll32.exe	30
PID 2648 wrote to memory of 2180	2648	rundll32.exe	30
PID 2180 wrote to memory of 2664	2180	rundll32.exe	31
PID 2180 wrote to memory of 2664	2180	rundll32.exe	31
PID 2180 wrote to memory of 2664	2180	rundll32.exe	31
PID 2180 wrote to memory of 2664	2180	rundll32.exe	31
PID 2180 wrote to memory of 2664	2180	rundll32.exe	31
PID 2180 wrote to memory of 2664	2180	rundll32.exe	31
PID 2180 wrote to memory of 2664	2180	rundll32.exe	31
PID 2180 wrote to memory of 2664	2180	rundll32.exe	31
PID 2180 wrote to memory of 2664	2180	rundll32.exe	31
PID 2180 wrote to memory of 2664	2180	rundll32.exe	31
PID 2180 wrote to memory of 2664	2180	rundll32.exe	31
PID 2180 wrote to memory of 2664	2180	rundll32.exe	31
PID 2180 wrote to memory of 2664	2180	rundll32.exe	31
PID 2180 wrote to memory of 2664	2180	rundll32.exe	31
PID 2180 wrote to memory of 2664	2180	rundll32.exe	31
PID 2180 wrote to memory of 2664	2180	rundll32.exe	31
PID 2180 wrote to memory of 2664	2180	rundll32.exe	31
PID 2664 wrote to memory of 2804	2664	rundll32.exe	32
PID 2664 wrote to memory of 2804	2664	rundll32.exe	32
PID 2664 wrote to memory of 2804	2664	rundll32.exe	32
PID 2664 wrote to memory of 2804	2664	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\azxcktqvoyc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\azxcktqvoyc.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2180
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\azxcktqvoyc.dll,#1
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2664
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 196
      4⤵
      Program crash
      PID:2804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2180-0-0x0000000074A57000-0x0000000074A59000-memory.dmp

Filesize
8KB

Download
memory/2664-1-0x0000000000120000-0x000000000013B000-memory.dmp

Filesize
108KB

Download
memory/2664-10-0x0000000000120000-0x000000000013B000-memory.dmp

Filesize
108KB

Download
memory/2664-6-0x0000000000120000-0x000000000013B000-memory.dmp

Filesize
108KB

Download
memory/2664-11-0x0000000000120000-0x000000000013B000-memory.dmp

Filesize
108KB

Download