Malware Analysis Report

2024-09-09 13:50

Sample ID 240723-qhs1csvclh
Target 97e1e1b53f1797dd648aa8cc40b57d2b.zip
SHA256 ca3da13d69ce07ed9b31314f2404f9c6a2235067406b545d7b00517258cee9d6
Tags
octo banker collection credential_access discovery evasion impact infostealer persistence rat stealth trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

ca3da13d69ce07ed9b31314f2404f9c6a2235067406b545d7b00517258cee9d6

Threat Level: Known bad

The file 97e1e1b53f1797dd648aa8cc40b57d2b.zip was found to be: Known bad.

Malicious Activity Summary

octo banker collection credential_access discovery evasion impact infostealer persistence rat stealth trojan

Octo payload

Octo

Removes its main activity from the application launcher

Loads dropped Dex/Jar

Queries the phone number (MSISDN for GSM devices)

Makes use of the framework's Accessibility service

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

Declares broadcast receivers with permission to handle system events

Requests accessing notifications (often used to intercept notifications before users become aware).

Reads information about phone network operator.

Requests disabling of battery optimizations (often used to enable hiding in the background).

Requests dangerous framework permissions

Performs UI accessibility actions on behalf of the user

Acquires the wake lock

Requests modifying system settings.

Declares services with permission to bind to the system

Makes use of the framework's foreground persistence service

Queries the unique device ID (IMEI, MEID, IMSI)

Queries the mobile country code (MCC)

Registers a broadcast receiver at runtime (usually for listening for system events)

Uses Crypto APIs (Might try to encrypt user data)

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-07-23 13:16

Signatures

Declares broadcast receivers with permission to handle system events

Description Indicator Process Target
Required by device admin receivers to bind with the system. Allows apps to manage device administration features. android.permission.BIND_DEVICE_ADMIN N/A N/A

Declares services with permission to bind to the system

Description Indicator Process Target
Required by accessibility services to bind with the system. Allows apps to access accessibility features. android.permission.BIND_ACCESSIBILITY_SERVICE N/A N/A
Required by notification listener services to bind with the system. Allows apps to listen to and interact with notifications on the device. android.permission.BIND_NOTIFICATION_LISTENER_SERVICE N/A N/A

Requests dangerous framework permissions

Description Indicator Process Target
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows an application to read from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Allows an application to read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to send SMS messages. android.permission.SEND_SMS 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 or write the system settings. android.permission.WRITE_SETTINGS N/A N/A
Allows read only access to phone state, including the current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device. android.permission.READ_PHONE_STATE N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-23 13:16

Reported

2024-07-23 13:19

Platform

android-x86-arm-20240624-en

Max time kernel

179s

Max time network

136s

Command Line

com.atlotzowj

Signatures

Octo

banker trojan infostealer rat octo

Octo payload

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

Removes its main activity from the application launcher

stealth trojan evasion
Description Indicator Process Target
N/A N/A N/A N/A

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.atlotzowj/cache/tqampnkfskbkj N/A N/A
N/A /data/user/0/com.atlotzowj/cache/tqampnkfskbkj N/A N/A

Makes use of the framework's Accessibility service

collection evasion credential_access
Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId N/A N/A

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

banker discovery

Queries the phone number (MSISDN for GSM devices)

discovery

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

Makes use of the framework's foreground persistence service

evasion persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.setServiceForeground N/A N/A

Performs UI accessibility actions on behalf of the user

evasion
Description Indicator Process Target
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A

Queries the mobile country code (MCC)

discovery
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone N/A N/A

Queries the unique device ID (IMEI, MEID, IMSI)

discovery

Requests accessing notifications (often used to intercept notifications before users become aware).

collection credential_access
Description Indicator Process Target
Intent action android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS N/A N/A

Requests disabling of battery optimizations (often used to enable hiding in the background).

evasion
Description Indicator Process Target
Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS N/A N/A

Requests modifying system settings.

evasion
Description Indicator Process Target
Intent action android.settings.action.MANAGE_WRITE_SETTINGS N/A N/A

Registers a broadcast receiver at runtime (usually for listening for system events)

persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.registerReceiver N/A N/A

Uses Crypto APIs (Might try to encrypt user data)

impact
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Processes

com.atlotzowj

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 216.58.204.74:443 tcp
US 1.1.1.1:53 semanticlocation-pa.googleapis.com udp
US 1.1.1.1:53 sicaktanbayilcam52.com udp
US 1.1.1.1:53 selamcanoonaber.site udp
US 1.1.1.1:53 sicakdanbeynimyandii2.com udp
US 1.1.1.1:53 hava540derece.com udp
US 1.1.1.1:53 cehennemdirloo34.com udp
US 1.1.1.1:53 otururkenterliyorum42.com udp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
GB 142.250.187.206:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 172.217.16.238:443 android.apis.google.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp

Files

/data/data/com.atlotzowj/cache/tqampnkfskbkj

MD5 6092d6a7e87603379faa309d45961349
SHA1 242d8827535e1519e130b6211e3469fccea05bcd
SHA256 f3fd9598445d565a0620cd3e97408168cc812b39eb459d4a3b8b0d4d5cab3b25
SHA512 98243ac2cbcd8ccb39fcfe380caabdd7e764fa8656288ccb69fae29278c546f67c57089e8683538578b944cf0e45573771fdff40f8056e06901bffb2417aad7f

/data/data/com.atlotzowj/kl.txt

MD5 c2a3e8c98c0f51170d845b1906af7474
SHA1 46395f93e2c8f12c26ad0f4d1ac54d15356890f3
SHA256 c552e5dda6f0e8c18feb46479072716543f560befaebe7733afc34d648e0f081
SHA512 c00bda086aa5609d17ca7109ac19e5a44465b977cdf379f6e75886a19202a88522efc05a6a90e6c434d3ecb6ca3aec719f0af7a9bba40f562890f34160ddc38b

/data/data/com.atlotzowj/kl.txt

MD5 615f772818989440b30bfe74b65bc9fb
SHA1 1306eb6fa9b07f0b8210c2993a6402049eafcc90
SHA256 c78aa9aefdf2d072222bc793cb46d39bfeed680c3055e9e5865e6d6c8f463056
SHA512 dee592d9f7938d0ed6fb05828b8bea1317a3b42eb06e86a86b7635c71006b8f7e26afc192e0bb18fbcde794e8cb99e8d13edc178c816c8fd949520bcf33a6b95

/data/data/com.atlotzowj/kl.txt

MD5 03a354bf99d6843e445f4f31b31ce7cc
SHA1 56bfebe7973e5390737a73d35dd40c2a5b0d30c6
SHA256 397b92317558429e972ca9bfccb54d1a8449d8de77163dfa75d0c07d21006c7b
SHA512 3ec5317914a50439e5afef592f5aecd3e87137bd713e2e0a7c573c55beff40e3692f177d6a30cdaed3a9171751d06a7aa5ca906d981174c6eae09dea1797045b

/data/data/com.atlotzowj/kl.txt

MD5 3ee2b2f0eadd82805860b3cc415f6bbc
SHA1 42f03e39c0f4e05c04cfa9d91a70fba35757b44e
SHA256 ac0feb8073d42aa72ca27886c118a7ffcb875cf3160f410af421f851040dccc7
SHA512 77b1ee20cc0fd0a737aa7c08167c6e8ce03d1cf664a45df675770767d370bc4b1b7201e6638e2e7fb0493243f05a2f1ffe737657fb8c78b1adb959e718d10b31

/data/data/com.atlotzowj/kl.txt

MD5 2ac149efe8cde8e08f39631557190571
SHA1 1aeb0c8993513950a3cf0bf1f4de56e629d73868
SHA256 9b0e418973ea2ef5d9d2663ec44fa935efc5e611f108b75f5c58b233371ff76d
SHA512 4b0182cce4f4a590f077e061c47fe20cc97426b431721e4a95a97973adc820a74ae0fa8b091b073cb02875ee997c726f42018dd430f8ae96d6d93cc43eae5950

/data/data/com.atlotzowj/cache/oat/tqampnkfskbkj.cur.prof

MD5 532eda0f96144d0b02a96d3e1b124ff3
SHA1 3d3e6f9cbcd810340c4a71fb7f1b3901ce3d13c3
SHA256 0547d527280b985b00cff66a11d2cf729f9506d82a2cec729d92ab5635af0948
SHA512 74d8c8c7a7ccfb8e99b5b9b22aa6c82f5921a127d95db588108152680c4b0f87068dd9d15364200983236b2ed77918b4aceba08c84471d075b2da412634eb907

/data/data/com.atlotzowj/.qcom.atlotzowj

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-23 13:16

Reported

2024-07-23 13:19

Platform

android-33-x64-arm64-20240624-en

Max time kernel

179s

Max time network

140s

Command Line

com.atlotzowj

Signatures

Octo

banker trojan infostealer rat octo

Octo payload

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

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.atlotzowj/cache/tqampnkfskbkj N/A N/A

Makes use of the framework's Accessibility service

collection evasion credential_access
Description Indicator Process Target
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId N/A N/A
Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId N/A N/A

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

banker discovery

Queries the phone number (MSISDN for GSM devices)

discovery

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

Makes use of the framework's foreground persistence service

evasion persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.setServiceForeground N/A N/A

Performs UI accessibility actions on behalf of the user

evasion
Description Indicator Process Target
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A
N/A android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction N/A N/A

Queries the mobile country code (MCC)

discovery
Description Indicator Process Target
Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone N/A N/A

Reads information about phone network operator.

discovery

Requests accessing notifications (often used to intercept notifications before users become aware).

collection credential_access
Description Indicator Process Target
Intent action android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS N/A N/A

Requests disabling of battery optimizations (often used to enable hiding in the background).

evasion
Description Indicator Process Target
Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS N/A N/A

Requests modifying system settings.

evasion
Description Indicator Process Target
Intent action android.settings.action.MANAGE_WRITE_SETTINGS N/A N/A

Uses Crypto APIs (Might try to encrypt user data)

impact
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Processes

com.atlotzowj

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
GB 216.58.201.100:443 udp
GB 216.58.201.100:443 tcp
GB 216.58.201.100:443 tcp
US 1.1.1.1:53 otururkenterliyorum42.com udp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
GB 216.58.204.78:443 udp
US 1.1.1.1:53 rcs-acs-tmo-us.jibe.google.com udp
US 216.239.36.155:443 rcs-acs-tmo-us.jibe.google.com tcp
US 1.1.1.1:53 remoteprovisioning.googleapis.com udp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
US 172.64.41.3:443 tcp
US 172.64.41.3:443 tcp
GB 142.250.180.3:443 tcp
US 172.64.41.3:443 udp
GB 142.250.180.3:443 udp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
GB 216.58.201.100:443 udp
GB 142.250.200.36:443 udp
GB 142.250.200.36:443 tcp
GB 142.250.200.36:443 tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp
RU 193.143.1.24:443 otururkenterliyorum42.com tcp

Files

/data/data/com.atlotzowj/cache/tqampnkfskbkj

MD5 6092d6a7e87603379faa309d45961349
SHA1 242d8827535e1519e130b6211e3469fccea05bcd
SHA256 f3fd9598445d565a0620cd3e97408168cc812b39eb459d4a3b8b0d4d5cab3b25
SHA512 98243ac2cbcd8ccb39fcfe380caabdd7e764fa8656288ccb69fae29278c546f67c57089e8683538578b944cf0e45573771fdff40f8056e06901bffb2417aad7f

/data/data/com.atlotzowj/kl.txt

MD5 c7b2c57233bd0988b29f6588e4bfd51a
SHA1 b21d658ae0a6e5894eb8ca5f79c0e85529c12768
SHA256 a88b5a064e0651e863f5a38d60c23317cf76d95b93087083eaec2efe5daacdd5
SHA512 e7be8458a2d665ee868d474b8d19cd47347a4fa9252bfd1f0e8cf188e4ee85a66717e109fb109af459f60a4c5aed652fa3c3a8d904fe09ae8a3a2b550c8341ad

/data/data/com.atlotzowj/kl.txt

MD5 144f5d614591b4a222f71d1a3b4f6ace
SHA1 854b2e6ce23c7e7ec0b3d12f94e61b2949c6a13f
SHA256 07a90de4f370206d99773e35e388ea9f4eb0a4b9f0aea9fb627e0c83af980082
SHA512 9d2bc56e4fc19306a4c4eec4658a3bf4f53485c36d6f429bf582803d526877da1e12894ff769af04d06c75b0feabfb125edb2e9370d65d6aebd24ccf2749a0c8

/data/data/com.atlotzowj/kl.txt

MD5 b8f9f9579c791b8bdbb1fedf84ba33e7
SHA1 a47e5e1a08f171823d65f9eb443955bbcb2ab7fd
SHA256 6df6dec579680891b096834878038af86db70c1b1d54f8fa242935003eb53b86
SHA512 40f763fa83b98bc62b142a9330cc2a40cff685b878beacacf1f4f7b67fb74e52bc06380e593d55fd9c200ecd4326046fb523106b3f0f0e714ce5839a83a0bf49

/data/data/com.atlotzowj/kl.txt

MD5 452ce3f4b0e89f3957ce6c11d5f9a71f
SHA1 e16f005c3aea573417c1c41fe3c8694250897fda
SHA256 d11f2b1f35eb74232265804e23dcfdb8139261aabd9526f3b27a0ef1f6d3808c
SHA512 1766d6724e740267295c9e3067fc0ccd4fd5777d8f03dd377a0e39cfc24276abcca67235e9cb2c0f0ae47f6cb830379e818785bba93900c4226fea6cd67ea1cd

/data/data/com.atlotzowj/kl.txt

MD5 1119328df3a5780ab4197478f2223b98
SHA1 055f27dd0144d9e241a0c83a7bab4f962a10f052
SHA256 f6805ff9d5bce30ef50a9b3bf6e4bf58638086b7107f55629e498fdab9f076bb
SHA512 95482864adf0362d27bcb5df6cdbc338745979a9c60730ba739c3ec5686fd6037dbee25756a6257e1cf0069098e7580803890133bae658d773460ac4ad5029e3

/data/data/com.atlotzowj/cache/oat/tqampnkfskbkj.cur.prof

MD5 d3e0dc05af3f1847483db486505b6a81
SHA1 22df16b36b24b1f733616836f440b9334078e0f4
SHA256 84c088c7e1f0a30e1627940397066584c8458c5e1c509046910d2a7db89f4008
SHA512 5e127ae83084eab7ee12ec33320778016387f12c657abd2f3106ff2df93eb0b6558ebcd584f535eede191aaf6413781c1b074ecafeeb78d8454aefd24c7cd35d

/data/data/com.atlotzowj/.qcom.atlotzowj

MD5 046a414913add6f5bb60072c7db819b6
SHA1 451ee4f6809260aec622d772fd329c7d0297a842
SHA256 b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA512 4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c