neshta | 29cd289f7bb54a307c0a7aabaced5f9aea79cccf4eb576d40128deff2e902e7f

Analysis

max time kernel
94s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-01-2025 11:15

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General

Target

JaffaCakes118_205380449dea9056b68e8ed7c7cb3900.exe
Size

135KB
MD5

205380449dea9056b68e8ed7c7cb3900
SHA1

0dcf213ed3a15add135fbc09a6549c1298a0c637
SHA256

29cd289f7bb54a307c0a7aabaced5f9aea79cccf4eb576d40128deff2e902e7f
SHA512

9caeb1d74624ec3262267512d48c8770535b553910413f47f3b58151154eb89494ee63c9363540a842c27d275c8d79803a3bf5799370f8b4c3d905d33fdad445
SSDEEP

3072:v5rCqOP1iYxpX58VcGp3/zsaMWr85C35rCqOP1iYxpX58VcGp3/zO:v5ezrnOLs1W935ezrnOLO

Score

10^/10

neshta discovery persistence spyware

Malware Config

Signatures

Detect Neshta payload 1 IoCs

resource	yara_rule
behavioral2/files/0x000e000000023bb7-3.dat	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

Executes dropped EXE 1 IoCs

pid	Process
1492	Un_A.exe

Loads dropped DLL 1 IoCs

pid	Process
1492	Un_A.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Razer\Synapse3\install.log	Un_A.exe

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

System Information Discovery
T1082

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	Un_A.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_205380449dea9056b68e8ed7c7cb3900.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral2/files/0x000e000000023bb7-3.dat	nsis_installer_1
behavioral2/files/0x000e000000023bb7-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 1492	2004	JaffaCakes118_205380449dea9056b68e8ed7c7cb3900.exe	83
PID 2004 wrote to memory of 1492	2004	JaffaCakes118_205380449dea9056b68e8ed7c7cb3900.exe	83
PID 2004 wrote to memory of 1492	2004	JaffaCakes118_205380449dea9056b68e8ed7c7cb3900.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_205380449dea9056b68e8ed7c7cb3900.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_205380449dea9056b68e8ed7c7cb3900.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  PID:1492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsp9EB2.tmp\System.dll

Filesize
11KB

MD5
fccff8cb7a1067e23fd2e2b63971a8e1

SHA1
30e2a9e137c1223a78a0f7b0bf96a1c361976d91

SHA256
6fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e

SHA512
f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c

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C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe

Filesize
135KB

MD5
205380449dea9056b68e8ed7c7cb3900

SHA1
0dcf213ed3a15add135fbc09a6549c1298a0c637

SHA256
29cd289f7bb54a307c0a7aabaced5f9aea79cccf4eb576d40128deff2e902e7f

SHA512
9caeb1d74624ec3262267512d48c8770535b553910413f47f3b58151154eb89494ee63c9363540a842c27d275c8d79803a3bf5799370f8b4c3d905d33fdad445

Download Submit