MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a773cd2e22fc5a09ff8d8fac9d022104f8e48c7923a3c6b4d9bf5953e0d40e4d. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Threat unknown


Vendor detections: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: a773cd2e22fc5a09ff8d8fac9d022104f8e48c7923a3c6b4d9bf5953e0d40e4d
SHA3-384 hash: 133e0124db1f9217f9684c54659abcf822ed61d9d6c194a46507cdb681d39920ea2f2de25d3bdb711b09b922c8e1a9cb
SHA1 hash: 57145b32df0358552773007924398c13c1563ccd
MD5 hash: 0a0af6e2f1180bed8ca261c9d20a656f
humanhash: robert-venus-bulldog-bulldog
File name:HelloCS2.12(自动更新有广告).apk
Download: download sample
File size:25'217'077 bytes
First seen:2025-12-01 20:34:00 UTC
Last seen:Never
File type: apk
MIME type:application/java-archive
ssdeep 786432:W5mpIiorHxYcrVMHRHZG3isbPm6gMkuU6z7E3hTLVJGl7O:WgIioDnuHR5G3isbPrERTxYl7O
TLSH T156473396EE9CE859E723F436C3784C03B470097066A5E6491B51BD9C4EFEEC1920AFC9
TrID 35.2% (.APK) Android Package (27000/1/5)
28.1% (.OXT) OpenOffice Extension (21500/1/3)
17.6% (.JAR) Java Archive (13500/1/2)
13.7% (.SH3D) Sweet Home 3D Design (generic) (10500/1/3)
5.2% (.ZIP) ZIP compressed archive (4000/1)
Magika apk
Reporter juroots
Tags:apk signed

Code Signing Certificate

Organisation:上海戴思软件技术有限公司
Issuer:上海戴思软件技术有限公司
Algorithm:sha256WithRSAEncryption
Valid from:2017-01-03T08:50:14Z
Valid to:2116-12-10T08:50:14Z
Serial number: 4f4a2e0e
Thumbprint Algorithm:SHA256
Thumbprint: 9b200e7758e811605c957322c6865bb34989e79b363ad39895c7e4ef40976a96
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
34
Origin country :
IL IL
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
android base64 crypto evasive fingerprint persistence signed spyagent
Result
Application Permissions
mount and unmount file systems (MOUNT_UNMOUNT_FILESYSTEMS)
read/modify/delete external storage contents (WRITE_EXTERNAL_STORAGE)
read phone state and identity (READ_PHONE_STATE)
intercept outgoing calls (PROCESS_OUTGOING_CALLS)
display system-level alerts (SYSTEM_ALERT_WINDOW)
read SMS or MMS (READ_SMS)
send SMS messages (SEND_SMS)
directly call phone numbers (CALL_PHONE)
retrieve running applications (GET_TASKS)
modify global system settings (WRITE_SETTINGS)
read external storage contents (READ_EXTERNAL_STORAGE)
coarse (network-based) location (ACCESS_COARSE_LOCATION)
fine (GPS) location (ACCESS_FINE_LOCATION)
mock location sources for testing (ACCESS_MOCK_LOCATION)
record audio (RECORD_AUDIO)
Allows an application to request installing packages. (REQUEST_INSTALL_PACKAGES)
take pictures and videos (CAMERA)
list accounts (GET_ACCOUNTS)
read user-defined dictionary (READ_USER_DICTIONARY)
read contact data (READ_CONTACTS)
write contact data (WRITE_CONTACTS)
automatically start at boot (RECEIVE_BOOT_COMPLETED)
control vibrator (VIBRATE)
prevent phone from sleeping (WAKE_LOCK)
allow Wi-Fi Multicast reception (CHANGE_WIFI_MULTICAST_STATE)
kill background processes (KILL_BACKGROUND_PROCESSES)
full Internet access (INTERNET)
view network status (ACCESS_NETWORK_STATE)
view Wi-Fi status (ACCESS_WIFI_STATE)
change Wi-Fi status (CHANGE_WIFI_STATE)
access extra location provider commands (ACCESS_LOCATION_EXTRA_COMMANDS)
create Bluetooth connections (BLUETOOTH)
bluetooth administration (BLUETOOTH_ADMIN)
change network connectivity (CHANGE_NETWORK_STATE)
send sticky broadcast (BROADCAST_STICKY)
update component usage statistics (PACKAGE_USAGE_STATS)
read/write to resources owned by diag (DIAGNOSTIC)
modify secure system settings (WRITE_SECURE_SETTINGS)
access the cache file system (ACCESS_CACHE_FILESYSTEM)
Verdict:
Adware
File Type:
apk
First seen:
2025-10-03T12:26:00Z UTC
Last seen:
2025-12-01T14:25:00Z UTC
Hits:
~10
Gathering data
Threat name:
Android.PUA.Presenoker
Status:
Malicious
First seen:
2025-10-03 18:27:44 UTC
File Type:
Binary (Archive)
Extracted files:
1489
AV detection:
14 of 35 (40.00%)
Threat level:
  1/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
android banker collection credential_access defense_evasion discovery evasion impact persistence
Behaviour
Checks CPU information
Checks memory information
Registers a broadcast receiver at runtime (usually for listening for system events)
Uses Crypto APIs (Might try to encrypt user data)
Listens for changes in the sensor environment (might be used to detect emulation)
Makes use of the framework's foreground persistence service
Queries information about active data network
Queries information about the current Wi-Fi connection
Queries the mobile country code (MCC)
Queries the unique device ID (IMEI, MEID, IMSI)
Reads information about phone network operator.
Checks Android system properties for emulator presence.
Loads dropped Dex/Jar
Obtains sensitive information copied to the device clipboard
Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)
Queries information about running processes on the device
Queries information about the current nearby Wi-Fi networks
Requests cell location
Checks if the Android device is rooted.
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:strrat_jar_v1
Author:RandomMalware
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

apk a773cd2e22fc5a09ff8d8fac9d022104f8e48c7923a3c6b4d9bf5953e0d40e4d

(this sample)

  
Delivery method
Distributed via web download

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