ermac | 26fecbc88045e70e234883e10fc38bdd7ea20a35f7a69581d96c8f5ca112a73c

Analysis

max time kernel
3228303s
max time network
156s
platform
android_x86
resource
android-x86-arm-20231023-en
resource tags

androidarch:armarch:x86image:android-x86-arm-20231023-enlocale:en-usos:android-9-x86system
submitted
11-11-2023 22:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

26fecbc88045e70e234883e10fc38bdd7ea20a35f7a69581d96c8f5ca112a73c.apk
Size

1.3MB
MD5

7ac11849e56e4060a3c34546820fc986
SHA1

bbdba4c3995d3578057d04fdd4cd2f30e7b6304d
SHA256

26fecbc88045e70e234883e10fc38bdd7ea20a35f7a69581d96c8f5ca112a73c
SHA512

58d42a097506be8d98603941a571f4fa44d87853a92fd3f6a213f996a5b14b44788204de5caefb097247a19dcfdbf5a1dae108b4858661b15395b6e6aac9e3a5
SSDEEP

24576:M4O7mlm5gSyluKhE3SB6H/sNkIgpaYesIhAjD9RGiD:M4O7mo5gS2uKhE3SBk8kJeJm

Score

10^/10

ermac hook banker evasion infostealer ransomware rat trojan

Malware Config

Extracted

Family

ermac

http://85.209.176.47:3434

AES_key

Extracted

Family

hook

http://85.209.176.47:3434

AES_key

Signatures

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

Ermac2 payload 3 IoCs

resource	yara_rule
behavioral1/files/fstream-2.dat	family_ermac2
behavioral1/memory/4317-0.dex	family_ermac2
behavioral1/memory/4317-1.dex	family_ermac2

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

Makes use of the framework's Accessibility service. 3 IoCs

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	m486jg87.d9e7u.r2bkggdy
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	m486jg87.d9e7u.r2bkggdy
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	m486jg87.d9e7u.r2bkggdy

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

banker

description	ioc	Process
Framework service call	android.content.pm.IPackageManager.getInstalledApplications	m486jg87.d9e7u.r2bkggdy

Acquires the wake lock. 1 IoCs

description	ioc	Process
Framework service call	android.os.IPowerManager.acquireWakeLock	m486jg87.d9e7u.r2bkggdy

Loads dropped Dex/Jar 2 IoCs

Runs executable file dropped to the device during analysis.

ioc	pid	Process
/data/user/0/m486jg87.d9e7u.r2bkggdy/app_nptj.j4k.eps5.ami/newobfs/0.pobfs	4317	m486jg87.d9e7u.r2bkggdy
/data/user/0/m486jg87.d9e7u.r2bkggdy/app_nptj.j4k.eps5.ami/newobfs/0.pobfs	4317	m486jg87.d9e7u.r2bkggdy

Reads information about phone network operator.

Removes a system notification. 1 IoCs

evasion

description	ioc	Process
Framework service call	android.app.INotificationManager.cancelNotificationWithTag	m486jg87.d9e7u.r2bkggdy

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

ransomware

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	m486jg87.d9e7u.r2bkggdy

m486jg87.d9e7u.r2bkggdy
1⤵
- 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).
- Acquires the wake lock.
- Loads dropped Dex/Jar
- Removes a system notification.
- Uses Crypto APIs (Might try to encrypt user data).
PID:4317

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

/data/data/m486jg87.d9e7u.r2bkggdy/app_nptj.j4k.eps5.ami/newobfs/0.pobfs

Filesize
1.5MB

MD5
df25c52b7e4e8f1f9143aaf53f37c8e7

SHA1
364270499c8fded9ce2ff54af67739c5abf6b90f

SHA256
d139a9df70cf2e730890ea87913f9c7f9c40f1a283ca8b438db7eaef460df785

SHA512
1ca05424e3bdab62441cd55e380f34720900d736f564459ce89e5907699f6fecfe04242aae8c3a113e32b5e6d44650ce258ba720e425c42aaeaf4ee971034821

Download Submit
/data/data/m486jg87.d9e7u.r2bkggdy/no_backup/androidx.work.workdb

Filesize
4KB

MD5
f2b4b0190b9f384ca885f0c8c9b14700

SHA1
934ff2646757b5b6e7f20f6a0aa76c7f995d9361

SHA256
0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

SHA512
ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

Download Submit
/data/data/m486jg87.d9e7u.r2bkggdy/no_backup/androidx.work.workdb-journal

Filesize
512B

MD5
79315bee8ec7a8eb9eb37a98e021b8ce

SHA1
04e80d552f7308a4cb52a088ee992136001bc813

SHA256
1e34694ee44e4834880f1b0365c6d9b9e00aa9ecc00ff20c148ae2e009698e71

SHA512
fa2fd9e3b15ed59f2de855a0c1581ed4a2ccbed3f5538b7a7b166fa2d9535a1f3e4a1810debd9d172d939844d623dd278d4df4decc362fe4b895d542a1b3896f

Download Submit
/data/data/m486jg87.d9e7u.r2bkggdy/no_backup/androidx.work.workdb-shm

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/data/m486jg87.d9e7u.r2bkggdy/no_backup/androidx.work.workdb-wal

Filesize
108KB

MD5
4fcce3eea350598b54852c60a76951b4

SHA1
54a54bc3f7bb9a1deb788f801e71a3f70e7e90ba

SHA256
5a211468f631d8d930f4d7002dff287fa2d5fd9152bc970970314a9d9d8525d6

SHA512
2f04f46d23736991c2c43550571b4d8023110d9e14bc18a61d6c44d554c2d03d55e3e72cddc2c224f7e27b0deda1771ab6a9d98beb6862269b5657849a9f395c

Download Submit
/data/data/m486jg87.d9e7u.r2bkggdy/no_backup/androidx.work.workdb-wal

Filesize
173KB

MD5
277caf7c403a99021b6f72aee50cf175

SHA1
1ece526466e647dafbe4a1f73cbbd3f86487b8eb

SHA256
f65eb6c9ffbbae9ff12e0fb3eceac102ae6d9f9b9c41892a0d5e7e21138975c0

SHA512
fbf4098b4ad5de669a1b272cad85721bde8ba1a93db25e63e2428206c56d5a61b7ca7c1c598a0fe366ec922da7013d3bcd2c2a68dc221eccc21cc3f84a5a4aed

Download Submit
/data/data/m486jg87.d9e7u.r2bkggdy/no_backup/androidx.work.workdb-wal

Filesize
16KB

MD5
55fc604f8611107be2e9a971c3c8b22f

SHA1
52198e1ef673f486ce53c614e1c23de5665760ff

SHA256
0a8e7b1a29bb39e3ad17d42accaf5a7256a5b267dddc19c9a47b0068b00e76f1

SHA512
568dcf7c6eb638e55adb58b47830155d00aa873a1820774a89d6f90aea3f217adfed97d2119202d9ba734a4f90f94d8def93f32f100f5e6dc3b81d9ef0382f1b

Download Submit
/data/user/0/m486jg87.d9e7u.r2bkggdy/app_nptj.j4k.eps5.ami/newobfs/0.pobfs

Filesize
1.5MB

MD5
df25c52b7e4e8f1f9143aaf53f37c8e7

SHA1
364270499c8fded9ce2ff54af67739c5abf6b90f

SHA256
d139a9df70cf2e730890ea87913f9c7f9c40f1a283ca8b438db7eaef460df785

SHA512
1ca05424e3bdab62441cd55e380f34720900d736f564459ce89e5907699f6fecfe04242aae8c3a113e32b5e6d44650ce258ba720e425c42aaeaf4ee971034821

Download Submit
/data/user/0/m486jg87.d9e7u.r2bkggdy/app_nptj.j4k.eps5.ami/newobfs/0.pobfs

Filesize
1.5MB

MD5
df25c52b7e4e8f1f9143aaf53f37c8e7

SHA1
364270499c8fded9ce2ff54af67739c5abf6b90f

SHA256
d139a9df70cf2e730890ea87913f9c7f9c40f1a283ca8b438db7eaef460df785

SHA512
1ca05424e3bdab62441cd55e380f34720900d736f564459ce89e5907699f6fecfe04242aae8c3a113e32b5e6d44650ce258ba720e425c42aaeaf4ee971034821

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads