octo | 4f39e86fb8f39acbd92f15da4a3b4eb622b52493e5d4e6d7c396eea68bebb2de

Analysis

max time kernel
140s
max time network
158s
platform
android_x64
resource
android-x64-arm64-20240624-en
resource tags

androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240624-enlocale:en-usos:android-11-x64system
submitted
15-11-2024 22:03

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General

Target

4f39e86fb8f39acbd92f15da4a3b4eb622b52493e5d4e6d7c396eea68bebb2de.apk
Size

605KB
MD5

52d376b16ea81906c20b6c8eac33019d
SHA1

f31ddc22872fc4e9642ca8fce1b9be4d62d24233
SHA256

4f39e86fb8f39acbd92f15da4a3b4eb622b52493e5d4e6d7c396eea68bebb2de
SHA512

57d0f44a6f7fc2ffd1b4bd1305a0d0bd1521401d9d21d6cd65ae80e2ffb67ebe8676f39c85b55a59b3c50181664068e40fe1b640f92364af210ef8187f379696
SSDEEP

12288:CyKc0+BjazBkz9iP0Twew190mVgHl+NVEkals4hDLrMhdhT:CyK1+NaVkzcP0Trw1909H0jBalsIzgdd

Score

10^/10

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

Malware Config

Extracted

Family

octo

https://7bb13903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://4b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://34b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://64b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://74b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://894b6413903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139030754567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b64139033074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

https://94b641553903074567453981d0595033c23.com/YmZiMzU0OTU5NGIz/

DES_key

AES_key

Signatures

Octo
Octo is a banking malware with remote access capabilities first seen in April 2022.
banker trojan infostealer rat octo
Octo family
octo

Octo payload 1 IoCs

resource	yara_rule
behavioral3/files/fstream-3.dat	family_octo

Loads dropped Dex/Jar 1 TTPs 2 IoCs

Runs executable file dropped to the device during analysis.

evasion

Download New Code at Runtime

T1407

ioc	pid	Process
/data/user/0/com.drawfarsym/code_cache/secondary-dexes/1731708207729_classes.dex	4464	com.drawfarsym
/data/user/0/com.drawfarsym/code_cache/secondary-dexes/1731708207729_classes.dex	4464	com.drawfarsym

Makes use of the framework's Accessibility service 4 TTPs 2 IoCs

Retrieves information displayed on the phone screen using AccessibilityService.

collection evasion credential_access

Input Injection

T1516

Screen Capture

T1513

Keylogging

T1417.001

GUI Input Capture

T1417.002

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.drawfarsym
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.drawfarsym

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
banker discovery

Security Software Discovery
T1418.001
Queries the phone number (MSISDN for GSM devices) 1 TTPs
discovery

System Network Configuration Discovery
T1422

Acquires the wake lock 1 IoCs

description	ioc	Process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.drawfarsym

Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs

Application may abuse the framework's foreground service to continue running in the foreground.

evasion persistence

Foreground Persistence

T1541

description	ioc	Process
Framework service call	android.app.IActivityManager.setServiceForeground	com.drawfarsym

Performs UI accessibility actions on behalf of the user 1 TTPs 4 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

Prevent Application Removal

T1629.001

ioc	Process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.drawfarsym
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.drawfarsym
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.drawfarsym
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.drawfarsym

Queries the mobile country code (MCC) 1 TTPs 1 IoCs

discovery

System Network Configuration Discovery

T1422

description	ioc	Process
Framework service call	com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone	com.drawfarsym

Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs

collection credential_access

Access Notifications

T1517

description	ioc	Process
Intent action	android.settings.ACTION_NOTIFICATION_LISTENER_SETTINGS	com.drawfarsym

Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs

evasion

User Evasion

T1628.002

description	ioc	Process
Intent action	android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS	com.drawfarsym

Requests modifying system settings. 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.action.MANAGE_WRITE_SETTINGS	com.drawfarsym

Schedules tasks to execute at a specified time 1 TTPs 1 IoCs

Application may abuse the framework's APIs to perform task scheduling for initial or recurring execution of malicious code.

execution persistence

Scheduled Task/Job

T1603

description	ioc	Process
Framework service call	android.app.job.IJobScheduler.schedule	com.drawfarsym

Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

impact

Data Encrypted for Impact

T1471

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.drawfarsym

com.drawfarsym
1⤵
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Performs UI accessibility actions on behalf of the user
- Queries the mobile country code (MCC)
- Requests accessing notifications (often used to intercept notifications before users become aware).
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Requests modifying system settings.
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
PID:4464

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Scheduled Task/Job

T1603

Persistence

Foreground Persistence

T1541

Scheduled Task/Job

T1603

Privilege Escalation

Defense Evasion

Download New Code at Runtime

T1407

Foreground Persistence

T1541

Hide Artifacts

T1628

User Evasion

T1628.002

Impair Defenses

T1629

Prevent Application Removal

T1629.001

Input Injection

T1516

Credential Access

Access Notifications

T1517

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Discovery

Software Discovery

T1418

Security Software Discovery

T1418.001

System Network Configuration Discovery

T1422

Lateral Movement

Collection

Access Notifications

T1517

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Screen Capture

T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

T1471

Input Injection

T1516

Replay Monitor

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Downloads

/data/data/com.drawfarsym/cache/classes.dex

Filesize
446KB

MD5
1a1a47e66116cf523207402412ba6c5a

SHA1
1908e7d762072261a4d06182b9434536fb7506ce

SHA256
2c907b6dda4c75fadcb2f104bc9b659a480372846402f36c1cc26c2c568b6882

SHA512
0e32e9d5f9644877d59416932143b8f48cc98e27ab5f0a7b1b7d5d95582ad9bc0ee7c31fb9cef72dc5f95dab73afd0715b0fe4274a0f2df2290da710d0a43f67

Download Submit
/data/data/com.drawfarsym/code_cache/secondary-dexes/1731708207729_classes.dex

Filesize
1.1MB

MD5
886f51647085722e7b6f112c0c2d6ced

SHA1
ea28019273cf4c51d37c613dceac3e1e2656e1a5

SHA256
02fbce2d24686a16c21b880c07af3357533e2e3ad361a21b1057f5511ae5fc9b

SHA512
b3204dc5fe2b5c06016d15764eea6903c1f7bd171987bedea89d9fc6689bc118054a76f2c1125ecf7fed86f9f472859d361169bb992e9f3b9d7c8c20bc7899c3

Download Submit
/data/data/com.drawfarsym/files/profileinstaller_profileWrittenFor_lastUpdateTime.dat

Filesize
8B

MD5
60a14367e676971f12a5fe8a3b138e90

SHA1
c6f94e1c57912f7e5e0b6e0ddc03578ba74a62b1

SHA256
c10a2eeac7acb1b2785cf277089996baca9a13611de10feca6b91f87a9e273ae

SHA512
60df97d8e62d9a2871f19cf33dad97bb84ea28f41c8ef57aa0408e0bc0120dfd333e4476d4edfcc0db20179ffbd76e21bc72e6a5acd07e2d8c10658079ea69a0

Download Submit
/data/data/com.drawfarsym/no_backup/androidx.work.workdb

Filesize
4KB

MD5
7e858c4054eb00fcddc653a04e5cd1c6

SHA1
2e056bf31a8d78df136f02a62afeeca77f4faccf

SHA256
9010186c5c083155a45673017d1e31c2a178e63cc15a57bbffde4d1956a23dad

SHA512
d0c7a120940c8e637d5566ef179d01eff88a2c2650afda69ad2a46aad76533eaace192028bba3d60407b4e34a950e7560f95d9f9b8eebe361ef62897d88b30cb

Download Submit
/data/data/com.drawfarsym/no_backup/androidx.work.workdb-journal

Filesize
512B

MD5
bc3a469811f3eb6f1fb68427d8a6e77c

SHA1
5ef1f5d9300607b9ed587272e3d7d99c076a1122

SHA256
87ed2cadc51ffc0616945e9936590b0b047c94a31fbabf5271ca8e1724db569f

SHA512
230bdf625d7938fda41753af43b9e06e8542bd2b82d5cfcd3f1ad6a729cc9983afb0a12a7d82c6b5f5df10d8747c31ce33d76fabe95a429546e1fdd4e2d94f62

Download Submit
/data/data/com.drawfarsym/no_backup/androidx.work.workdb-shm

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/data/com.drawfarsym/no_backup/androidx.work.workdb-wal

Filesize
169KB

MD5
baf084bb2d21ebbf659b0b6ecc75ce46

SHA1
39a31b7a75bf68166eee9ed2d1687611f4689507

SHA256
5da2ee3b863516fc1b6622d9ccc7796e65ec35069a25ace412ab327245f713c4

SHA512
f34747d4989bbbf35af79cd4c6df0c7dde73d62fd5a87d7eb6213e96cbe45692b9859238e11607a49b3ff302670ba05e47ac7a17314645e18dfa2bffad7a4218

Download Submit
/data/data/com.drawfarsym/no_backup/androidx.work.workdb-wal

Filesize
16KB

MD5
92dcc773c5f90af05ce0384c027deed5

SHA1
a0552e49059df1469747201beebd2852987b7131

SHA256
aa3503b8a4939658f7de5fc2905f3671aecddfe733bcd7995d52a4c9e548c79f

SHA512
70172d83bcfaabc0d161592ff2f34b2ec6e6200f6749346a7e2ba3e7db4122a41e875c7cdcad5bdd4a18eb5a52b2a87770d87147821af88bd39a95ea19d5417c

Download Submit
/data/data/com.drawfarsym/no_backup/androidx.work.workdb-wal

Filesize
116KB

MD5
23429e42c7e1f4af7fc298f954e1852e

SHA1
79525318a6da54014f2f9b8252c93d65a178bc09

SHA256
ac020292c5b3dee722912300327e7c6cbafce5f2895d818ba343e670df102187

SHA512
6e2c12e1eb956492a6bb78e476594b9fe2e0311fed45aa50a16038e3ac792747c8e42414eaaf0ef2fe69421b9e34f12b241cbb5218c50c176f17ec46b7f22b4d

Download Submit
/data/misc/profiles/cur/0/com.drawfarsym/primary.prof

Filesize
111B

MD5
d08e6a6aca95d9e7c02d0c45fd981359

SHA1
7db0821f0b8c5de9c402228a9f6bdf38645462d1

SHA256
8c093f6c8881cc2a8acb167a072e07b6ec5f971a1cab5bde19ac2dfc5da28e2c

SHA512
574949c9a8324e2b6f9b90b9cd9c43cd149ba79522a46aefe0266f3e090719efd00cd6268e1a561e113a93dcbb7eb0f55f7fdee6170e44af85cc848d29cbd8a2

Download Submit
/data/misc/profiles/cur/0/com.drawfarsym/primary.prof

Filesize
25B

MD5
b9d9e0f8902d129e1aeebff0ae7b725b

SHA1
cb0d2b4c9dd60a5c1fc6261fb581bcd3416fe781

SHA256
25a822139d06016af8be1296c0242b60e35074f94c713e03323636be1162ce91

SHA512
f158a9dc753e0cb41f71a98714ff02198c576bacdd792a6153fdaf6f9a7b52d8cfb6d09099a269d0c1b0d31e2ea5a307ea1db85115bdc6797887a6de36d597f6

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads