ermac | 861b0cf29c8f5805010bd8dc6e53206604c322ac73a869154ed0da6e95cd0576

Analysis

max time kernel
147s
max time network
155s
platform
android-9_x86
resource
android-x86-arm-20240910-en
resource tags

arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
submitted
30-12-2024 22:02

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General

Target

861b0cf29c8f5805010bd8dc6e53206604c322ac73a869154ed0da6e95cd0576.apk
Size

4.2MB
MD5

9d102a721d259a15b591c9d34c33efa8
SHA1

f63e9493385585767407053887c95a5297594abd
SHA256

861b0cf29c8f5805010bd8dc6e53206604c322ac73a869154ed0da6e95cd0576
SHA512

18a3ad05cb72111eab82e8eaf203e52cd1c14a1a020ce184b76454d6d6fa7572083a07b09c436a391cb305564452bbf4c3c5442ce93d498e0b3229a44c3f1746
SSDEEP

98304:4oQPEtLo1G+IRVlirBTiAx7Goc86pC+ABlZ/ssJqBBzV9eU:43EW1GLV0bx7TL6QBBlZ/s2U

Score

10^/10

ermac hook banker collection credential_access discovery evasion execution impact infostealer persistence rat trojan

Malware Config

Extracted

Family

ermac

http://adsfgbkapmgnsdvbr.pro; http://adsfgbkapmgbrsgsh.pro; http://adsfgbkapmgdbshb.pro; http://adsfgbkapmgsdfbbnn.pro; http://adsfgbkapmgdsagbbs.pro

http://adsfgbkapmgnsdvbr.pro

http://adsfgbkapmgbrsgsh.pro

http://adsfgbkapmgdbshb.pro

http://adsfgbkapmgsdfbbnn.pro

http://adsfgbkapmgdsagbbs.pro

AES_key

Extracted

Family

hook

http://adsfgbkapmgnsdvbr.pro; http://adsfgbkapmgbrsgsh.pro; http://adsfgbkapmgdbshb.pro; http://adsfgbkapmgsdfbbnn.pro; http://adsfgbkapmgdsagbbs.pro

http://adsfgbkapmgnsdvbr.pro

http://adsfgbkapmgbrsgsh.pro

http://adsfgbkapmgdbshb.pro

http://adsfgbkapmgsdfbbnn.pro

http://adsfgbkapmgdsagbbs.pro

AES_key

Signatures

Ermac
An Android banking trojan first seen in July 2021.
banker trojan infostealer ermac
Ermac family
ermac

Ermac2 payload 2 IoCs

resource	yara_rule
behavioral1/memory/4284-0.dex	family_ermac2
behavioral1/memory/4258-0.dex	family_ermac2

Hook
Hook is an Android malware that is based on Ermac with RAT capabilities.
rat trojan infostealer hook
Hook family
hook

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.pamigexologema.dumo/app_post/COeR.json	4284	/system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.pamigexologema.dumo/app_post/COeR.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.pamigexologema.dumo/app_post/oat/x86/COeR.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.pamigexologema.dumo/app_post/COeR.json	4258	com.pamigexologema.dumo

Makes use of the framework's Accessibility service 4 TTPs 3 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.findAccessibilityNodeInfosByViewId	com.pamigexologema.dumo
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.pamigexologema.dumo
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.pamigexologema.dumo

Queries information about running processes on the device 1 TTPs 1 IoCs

Application may abuse the framework's APIs to collect information about running processes on the device.

discovery

Process Discovery

T1424

description	ioc	Process
Framework service call	android.app.IActivityManager.getRunningAppProcesses	com.pamigexologema.dumo

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.pamigexologema.dumo

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.pamigexologema.dumo

Performs UI accessibility actions on behalf of the user 1 TTPs 5 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

Prevent Application Removal

T1629.001

ioc	Process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.pamigexologema.dumo
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.pamigexologema.dumo
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.pamigexologema.dumo
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.pamigexologema.dumo
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.pamigexologema.dumo

Queries information about the current Wi-Fi connection 1 TTPs 1 IoCs

Application may abuse the framework's APIs to collect information about the current Wi-Fi connection.

discovery

System Network Connections Discovery

T1421

description	ioc	Process
Framework service call	android.net.wifi.IWifiManager.getConnectionInfo	com.pamigexologema.dumo

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.pamigexologema.dumo

Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs

persistence

Broadcast Receivers

T1624.001

description	ioc	Process
Framework service call	android.app.IActivityManager.registerReceiver	com.pamigexologema.dumo

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.pamigexologema.dumo

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.pamigexologema.dumo

Checks CPU information 2 TTPs 1 IoCs

System Checks

T1633.001

System Information Discovery

T1426

description	ioc	Process
File opened for read	/proc/cpuinfo	com.pamigexologema.dumo

Checks memory information 2 TTPs 1 IoCs

System Checks

T1633.001

System Information Discovery

T1426

description	ioc	Process
File opened for read	/proc/meminfo	com.pamigexologema.dumo

com.pamigexologema.dumo
1⤵
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Queries information about running processes on the device
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Performs UI accessibility actions on behalf of the user
- Queries information about the current Wi-Fi connection
- Queries the mobile country code (MCC)
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:4258
- /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.pamigexologema.dumo/app_post/COeR.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.pamigexologema.dumo/app_post/oat/x86/COeR.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4284

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Scheduled Task/Job

T1603

Persistence

Event Triggered Execution

T1624

Broadcast Receivers

T1624.001

Foreground Persistence

T1541

Scheduled Task/Job

T1603

Privilege Escalation

Defense Evasion

Download New Code at Runtime

T1407

Foreground Persistence

T1541

Impair Defenses

T1629

Prevent Application Removal

T1629.001

Input Injection

T1516

Virtualization/Sandbox Evasion

T1633

System Checks

T1633.001

Credential Access

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Discovery

Process Discovery

T1424

System Information Discovery

T1426

System Network Configuration Discovery

T1422

System Network Connections Discovery

T1421

Lateral Movement

Collection

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

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Downloads

/data/data/com.pamigexologema.dumo/app_post/COeR.json

Filesize
691KB

MD5
8e5386fc7f45301518c3006b89c83079

SHA1
8cb1115283944c581a5f4a741ee776be9885c308

SHA256
c55031f9a6015f5636a3d7b6cb3c1847ac619463286ebc19c8f413c161e46ee4

SHA512
59b34d39b2a049bae8cad6765bcf16b6b699af947a26de9b2e432907fbf61505bee373e9e880a54c6ba4952b386471bf4c286cc42cd585ece804ce3d0a01d938

Download Submit
/data/data/com.pamigexologema.dumo/app_post/COeR.json

Filesize
691KB

MD5
8ebdab52de7782f95fa36fbdca622f3e

SHA1
71e944e460a4ed5db740bae22408e25d8c0b7757

SHA256
2a338533e1cb612fa2802cb440dd9d64304c2928280d7911b9903575d02d8e1a

SHA512
e54919d4779bd9267752237b74a91b26a34cafb765844fb502f4225ad01d56bf2f5ea08050083deb20bb20c430aed5d59687d8f57c6082732d5b2763045c9c29

Download Submit
/data/data/com.pamigexologema.dumo/app_post/oat/COeR.json.cur.prof

Filesize
3KB

MD5
a1becb4847cd95246ba54cfee9728c3f

SHA1
f61cd3f8a6468df6d4d4b04781c568afebc2dd3e

SHA256
04e9abbee67c88578ec322fc20029afd76a3d331b045ed8af5b30fdf6759c902

SHA512
78d6e68c2c7c147c3fea4cb30257c52d9fb99e5a001bbc0bb0436357a95c0eb236d01906ca4d3ecfafbad6ef271dd992202cad583f0c975ee69116ea0ad5f6f4

Download Submit
/data/data/com.pamigexologema.dumo/no_backup/androidx.work.workdb

Filesize
4KB

MD5
f2b4b0190b9f384ca885f0c8c9b14700

SHA1
934ff2646757b5b6e7f20f6a0aa76c7f995d9361

SHA256
0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

SHA512
ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

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

Filesize
512B

MD5
a2daa2e4b80ae78335fbd264d65c5dc3

SHA1
746d3e8f7da4f065ff6a8777f1fc935f93b290c3

SHA256
04d4a956e0b80c2fc81f8a0bcee8d21ec3796ac75223e5747285c55aacfbee7a

SHA512
7153fbfae40fbdf8355d8903a199324cbc57f63722f0dc20645eddf57baba7109890affee6806a0f84b0e8c52ef6dac21928444e36a005bd5ad871f61cd075d2

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

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

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

Filesize
108KB

MD5
36f90980cdfe07c2d6b7516836f5e6aa

SHA1
76dc29399a212813d3196b3f720c3bfae34cd03e

SHA256
7e6f762290adbe4b5ee78cda3632b7a5b5723cd018de7dd7d5e525dcd1634b31

SHA512
1e056f61b991bd3614f90b684a0c265a1a531f529a514902bf249c1d3de7f3dfaf3997d7bbe9f8e04e429708eec4b087b1483ada17cc462849bb00386dc97a51

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

Filesize
173KB

MD5
d064167eacaada1730a4f9bed24267b2

SHA1
6e52b53b78fee1d8ff6490db7bc1c4b86a8a4524

SHA256
b2efe96cfb1c833ce2e43d2848ae495724ca387215cb88b56cdaed62b8e63b6b

SHA512
1f70048b8bd90cfb8af90e28855e3f5413e55d593b7b35566c303d3500474956b71491052400b4550ba5daa69a78203eac894cee099c5f4cbae1caa9f9c88726

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

Filesize
16KB

MD5
4d161f4b098b7b6fc1a28bf209c0e49b

SHA1
2b1c795ca8e4f31378c339fbcab84f10bf84d515

SHA256
dc06ec839d66de5f5eaa5dd22bc0d46caf5362a2807cd3fb4de1c11313a0c6e6

SHA512
edf64f131c828ce43682be3c4c51d37996640f5b55ae25ef1e18b51cebedc7a6cae2bbd3f490ffce1037453e2b29bb349f093196d45398b85b5c93c005fe714f

Download Submit
/data/user/0/com.pamigexologema.dumo/app_post/COeR.json

Filesize
1.5MB

MD5
24521f902ef2f3e2251979efcfca03c5

SHA1
b180bda4ad2ab82d9aa9aedd144138496a100178

SHA256
46a701848472dc1c3002f1973651436440f85bd160d02d4e95f8a600b8f4be90

SHA512
d84e42908cce0b5babeb0fe02a3e63cc7242ad17bb80420aa362e79f88ce55fd2c65b4cb5e6b9cdd3ee373e17d817b593a09bd0dc333d7903988628c888d5822

Download Submit
/data/user/0/com.pamigexologema.dumo/app_post/COeR.json

Filesize
1.5MB

MD5
ed9639581156ab46b1a9c6fc5be0911b

SHA1
b6fe2e8d6e8debf7ffd42d601f9d5fd5889742fa

SHA256
1e3152740f3ab4e85fc1ff97afd6f7aa84cbd5009e10f124a062ca81e16a640f

SHA512
c12f050fbc0e1ce995ed0f8e5e55f04e902b9d9cd805d79572aadbf561ddf18c82d340d7f8a4ea82d51d08611a258e0e8fd3259cb375a2c2a15bba1ddbcb7fc2

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads