3db2c1f543f255d87c37c3faa0dc3c4e20e0e939a20c58db4efad1bab9b55e9a

Analysis

max time kernel
4s
max time network
20s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-09-2024 19:02

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General

Target

zen.win-specific\zen\uninstall\helper.exe
Size

1.1MB
MD5

8f04caef6fe19520b1795523dbd79d13
SHA1

67fec91779d4f2bf175066edd1d9d04842b7b9c2
SHA256

4bd16c3aadf946dc43f604e2f68b25b85c097b31f49168d6b82b7cee9178fcab
SHA512

22853d3f6dd0ff80606b443b6225a4af48cb98ff6aff507efd8f4ee459fd4fecb9891441dd940a9b1cc92b7321f6ef3a54ee132c4c8a6846ab975ee8456fa7ce
SSDEEP

12288:UTSUjD5xMDk9euP+btSjDUJDJY95+B7a2So/FJW1sx:UTzMD8hmbtSjp0BW1ocsx

Score

4^/10

discovery

Malware Config

Signatures

Loads dropped DLL 2 IoCs

Processes:

helper.exe

pid process

2440 helper.exe
2440 helper.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 1 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

Processes:

helper.exe

description ioc process

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

pid	process
2440	helper.exe
2440	helper.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	helper.exe

C:\Users\Admin\AppData\Local\Temp\zen.win-specific\zen\uninstall\helper.exe
"C:\Users\Admin\AppData\Local\Temp\zen.win-specific\zen\uninstall\helper.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2440

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\nsuAC57.tmp\CityHash.dll

Filesize
53KB

MD5
2021acc65fa998daa98131e20c4605be

SHA1
2e8407cfe3b1a9d839ea391cfc423e8df8d8a390

SHA256
c299a0a71bf57eb241868158b4fcfe839d15d5ba607e1bdc5499fdf67b334a14

SHA512
cb96d3547bab778cbe94076be6765ed2ae07e183e4888d6c380f240b8c6708662a3b2b6b2294e38c48bc91bf2cc5fc7cfcd3afe63775151ba2fe34b06ce38948

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\Users\Admin\AppData\Local\Temp\nsuAC57.tmp\System.dll

Filesize
22KB

MD5
b361682fa5e6a1906e754cfa08aa8d90

SHA1
c6701aee0c866565de1b7c1f81fd88da56b395d3

SHA256
b711c4f17690421c9dc8ddb9ed5a9ddc539b3a28f11e19c851e25dcfc7701c04

SHA512
2778f91c9bcf83277d26c71118a1ccb0fb3ce50e89729f14f4915bc65dd48503a77b1e5118ce774dea72f5ce3cc8681eb9ca3c55cf90e9f61a177101ba192ae9

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