neshta | 0cd908ecf19baa32f59f374f76f4eff074d85ec13ee0a7081eae7232718a5621

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
09-01-2025 20:40

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General

Target

JaffaCakes118_d1de04534ff3457bfb7efd36a9f6fb1a.exe
Size

318KB
MD5

d1de04534ff3457bfb7efd36a9f6fb1a
SHA1

377b95d97e31a7f41baa9bcddd639913437863dd
SHA256

0cd908ecf19baa32f59f374f76f4eff074d85ec13ee0a7081eae7232718a5621
SHA512

1b95a1b9d6dcef3100bab56405059b77cced3662064a06eb706423c409ab277a06b8cfb2ea4e699ad67fcbc18bc5d3fb5754515895ecffa7b52df05dbdf2329d
SSDEEP

6144:N740IAIWrHZ/6wApVbWRemViBq6fZosBs2t0EyL+taO9r740Io:t51NQyeq6f+RKEo7

Score

10^/10

neshta discovery persistence spyware

Malware Config

Signatures

Detect Neshta payload 1 IoCs

resource	yara_rule
behavioral1/files/0x000900000001660b-5.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
1504	Un_A.exe

Loads dropped DLL 7 IoCs

pid	Process
2732	JaffaCakes118_d1de04534ff3457bfb7efd36a9f6fb1a.exe
1504	Un_A.exe
1504	Un_A.exe
1504	Un_A.exe
1504	Un_A.exe
1504	Un_A.exe
1504	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	JaffaCakes118_d1de04534ff3457bfb7efd36a9f6fb1a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Un_A.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1504	Un_A.exe
1504	Un_A.exe
1504	Un_A.exe
1504	Un_A.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 1504	2732	JaffaCakes118_d1de04534ff3457bfb7efd36a9f6fb1a.exe	30
PID 2732 wrote to memory of 1504	2732	JaffaCakes118_d1de04534ff3457bfb7efd36a9f6fb1a.exe	30
PID 2732 wrote to memory of 1504	2732	JaffaCakes118_d1de04534ff3457bfb7efd36a9f6fb1a.exe	30
PID 2732 wrote to memory of 1504	2732	JaffaCakes118_d1de04534ff3457bfb7efd36a9f6fb1a.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d1de04534ff3457bfb7efd36a9f6fb1a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d1de04534ff3457bfb7efd36a9f6fb1a.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2732
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:1504

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

Replay Monitor

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Downloads

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

Filesize
318KB

MD5
d1de04534ff3457bfb7efd36a9f6fb1a

SHA1
377b95d97e31a7f41baa9bcddd639913437863dd

SHA256
0cd908ecf19baa32f59f374f76f4eff074d85ec13ee0a7081eae7232718a5621

SHA512
1b95a1b9d6dcef3100bab56405059b77cced3662064a06eb706423c409ab277a06b8cfb2ea4e699ad67fcbc18bc5d3fb5754515895ecffa7b52df05dbdf2329d

Download Submit
\Users\Admin\AppData\Local\Temp\nse7495.tmp\StdUtils.dll

Filesize
100KB

MD5
c6a6e03f77c313b267498515488c5740

SHA1
3d49fc2784b9450962ed6b82b46e9c3c957d7c15

SHA256
b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

SHA512
9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

Download Submit
\Users\Admin\AppData\Local\Temp\nse7495.tmp\System.dll

Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

Download Submit
\Users\Admin\AppData\Local\Temp\nse7495.tmp\WinShell.dll

Filesize
3KB

MD5
1cc7c37b7e0c8cd8bf04b6cc283e1e56

SHA1
0b9519763be6625bd5abce175dcc59c96d100d4c

SHA256
9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

SHA512
7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

Download Submit
\Users\Admin\AppData\Local\Temp\nse7495.tmp\nsProcess.dll

Filesize
4KB

MD5
f0438a894f3a7e01a4aae8d1b5dd0289

SHA1
b058e3fcfb7b550041da16bf10d8837024c38bf6

SHA256
30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11

SHA512
f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7

Download Submit