Malware Analysis Report

2025-01-19 05:29

Sample ID 210726-sh7dh5qgyx
Target Telekom-Netz.apk
SHA256 65f49dd1523e0e28ff85f339142b6f36e36203e88ae969ef6e8fb8d3e48c171c
Tags
hydra banker infostealer obfuscation trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

65f49dd1523e0e28ff85f339142b6f36e36203e88ae969ef6e8fb8d3e48c171c

Threat Level: Known bad

The file Telekom-Netz.apk was found to be: Known bad.

Malicious Activity Summary

hydra banker infostealer obfuscation trojan

Hydra

Hydra Payload

Requests dangerous framework permissions

Loads dropped Dex/Jar

Uses reflection

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2021-07-29 14:56

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
Allows an application to send SMS messages. android.permission.SEND_SMS N/A N/A
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS N/A N/A
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows an application to initiate a phone call without going through the Dialer user interface for the user to confirm the call. android.permission.CALL_PHONE N/A N/A
Allows an application to read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-07-26 09:12

Reported

2021-07-26 09:14

Platform

android-x64-arm64

Max time kernel

3793242s

Max time network

115s

Command Line

fork.walk.elder

Signatures

Hydra

banker trojan infostealer hydra

Hydra Payload

Description Indicator Process Target
N/A N/A N/A N/A

Loads dropped Dex/Jar

Description Indicator Process Target
N/A /data/user/0/fork.walk.elder/app_DynamicOptDex/orQR.json N/A N/A
N/A /data/user/0/fork.walk.elder/app_DynamicOptDex/orQR.json N/A N/A

Uses reflection

obfuscation
Description Indicator Process Target
Acesses field com.android.okhttp.internal.tls.OkHostnameVerifier.INSTANCE N/A N/A N/A
Acesses field javax.security.auth.x500.X500Principal.thisX500Name N/A N/A N/A
Acesses field javax.security.auth.x500.X500Principal.thisX500Name N/A N/A N/A

Processes

fork.walk.elder

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
N/A 1.1.1.1:853 tcp
N/A 1.1.1.1:853 tcp
N/A 142.250.178.134:80 ad.doubleclick.net tcp
N/A 172.217.169.42:80 play.googleapis.com tcp
N/A 216.239.35.4:123 time.android.com udp
N/A 172.217.22.142:443 udp
N/A 142.250.178.136:443 tcp
N/A 185.199.109.133:443 tcp
N/A 1.1.1.1:853 tcp
N/A 142.250.180.3:443 udp
N/A 1.1.1.1:853 tcp

Files

/data/user/0/fork.walk.elder/app_DynamicOptDex/orQR.json

MD5 45de85b6580748f906d9faf838cd921d
SHA1 613828b6262d81e86d50faf276f80ff0aa4cb506
SHA256 16ee8ff9501e199e184430c5203d23f2f5e0ceec89da579dc2bb0cf9c33850ab
SHA512 64bc690be7856b7d9cf696403d37f601d8dbefabc454e5e3d15733cc10365d82e89758c82b398e19c7d50f08abddfc349e5a3b33b781757fe4427192c8e1374a

/data/user/0/fork.walk.elder/app_DynamicOptDex/orQR.json

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

/data/user/0/fork.walk.elder/app_DynamicOptDex/orQR.json

MD5 6f038f3787e42510e4173ca1aae2e115
SHA1 3e97fe2e94cdde996ecac2ae167062328b78acce
SHA256 326b4f05011f0638e00136b69006f19abda44f00a8bfd0a3dea710eb20e47374
SHA512 754a339a52ef94427c4871f27293910353daab9cbc001ceea9406d2b8ce9efbfcaf43629395df28d6f43de4d1be4f5cc16e0b7aea9b2d749380ff210ac033120

/data/user/0/fork.walk.elder/app_DynamicOptDex/oat/orQR.json.cur.prof

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

/data/user/0/fork.walk.elder/shared_prefs/pref_name_setting.xml

MD5 5684d3b5f0e70efebfa5005f8358f443
SHA1 5ded1c10d227467e75071c83a0e919c614d6f442
SHA256 f2438cf035b67a3119c5f69277f09e584ca268ebe2bcffc8c20a092b6c549414
SHA512 172f622bb9ab0b4d552fca7c7ed578a66a08ce58d9dd23a539fe49406406ecc2e27a5bf8dc9208076ba0eb16271989a75b910086e890e6b9fc4a91fdcc3e0000

/data/user/0/fork.walk.elder/shared_prefs/prefs30.xml

MD5 1c6b6a6a91f2ccf7ac553f9a439ad69e
SHA1 270b45bc1c3255f95fecf8bfa85f7dbfc8fb5748
SHA256 a7958ee3107cac53056bac67328f317cf9e3aaf4533e1072f0c4f0334ebbffa6
SHA512 8a61fcab1bc82977f72af693d4a749ad41df81a9a9c6eaafee0f4ffd36a34f069a259c6b20046a8bce58a6eab526df122cb82e8d093be73cf5ff9d41e489bf8e

/data/user/0/fork.walk.elder/shared_prefs/pref_name_setting.xml

MD5 4de7b3699ecfa6df394477159d6033e9
SHA1 b64118fb746248b14b25fd1730f85ad46bb02b61
SHA256 24468d9af4c39f19974a2c2aed499e580ab273f2366c6b892f4680d116c52042
SHA512 2e6049e90c84044d25674556b3040930a557a3a9e75cdb69b295ac7beeeab8563938c34419fc66a89c88dce7e868ad51a3ced73aef22486c7cacb0356f92b14c