ermac | c92742794cd107cd3aaa340461c8957134af7d6a8c703545be09eadad6a3ebf2

Analysis

max time kernel
8s
max time network
145s
platform
android_x64
resource
android-x64-20231215-en
resource tags

androidarch:x64arch:x86image:android-x64-20231215-enlocale:en-usos:android-10-x64system
submitted
12-02-2024 18:29

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General

Target

cd6509d9fbd70121035a18f0e75b0e5f.apk
Size

3.1MB
MD5

cd6509d9fbd70121035a18f0e75b0e5f
SHA1

ce71b79b5dcdcf2ec07ba90e32baa4b782d635da
SHA256

c92742794cd107cd3aaa340461c8957134af7d6a8c703545be09eadad6a3ebf2
SHA512

b0ed3f65b81102ccee1e539125df2be49390d2dfb90cea32eb439a849a5882db71dc17e4c269c0d777f8e39ffd39418287f3573e92b7b99e3f33de7ca83a2049
SSDEEP

98304:YiFhn+C12SojeGOuIQnHQ9XieS6qke2DcxPtjyK/Cxl:WSojeGnIyHQRG6qke2DqPxo

Score

10^/10

ermac hook banker infostealer rat trojan

Malware Config

Extracted

Family

ermac

AES_key

Extracted

Family

hook

AES_key

Signatures

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

Ermac2 payload 1 IoCs

Processes:

resource	yara_rule
/data/data/com.rifubetoteha.domoju/app_ded/QhxX6wsq93Nns2Y7OL0XEExaXeMheJsy.dex	family_ermac2

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

Loads dropped Dex/Jar 4 IoCs

Runs executable file dropped to the device during analysis.

Processes:

com.rifubetoteha.domoju

ioc	pid	process
/data/user/0/com.rifubetoteha.domoju/app_ded/QhxX6wsq93Nns2Y7OL0XEExaXeMheJsy.dex	5107	com.rifubetoteha.domoju
/data/user/0/com.rifubetoteha.domoju/app_ded/QhxX6wsq93Nns2Y7OL0XEExaXeMheJsy.dex	5107	com.rifubetoteha.domoju
/data/user/0/com.rifubetoteha.domoju/app_ded/x9ChsQHyZLLpANdDugVgc0cALjtkVD4K.dex	5107	com.rifubetoteha.domoju
/data/user/0/com.rifubetoteha.domoju/app_ded/x9ChsQHyZLLpANdDugVgc0cALjtkVD4K.dex	5107	com.rifubetoteha.domoju

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

Processes:

com.rifubetoteha.domoju

description ioc process

Framework API call javax.crypto.Cipher.doFinal com.rifubetoteha.domoju

description	ioc	process
Framework API call	javax.crypto.Cipher.doFinal	com.rifubetoteha.domoju

com.rifubetoteha.domoju
1⤵
- Loads dropped Dex/Jar
- Uses Crypto APIs (Might try to encrypt user data)
PID:5107

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

/data/data/com.rifubetoteha.domoju/app_ded/QhxX6wsq93Nns2Y7OL0XEExaXeMheJsy.dex

Filesize
1.5MB

MD5
8896e9bff0557d5d78c55bbdb0b85762

SHA1
fcb1a2eb344f0180c873758e85008dace02c47e2

SHA256
8a79aa78c46001c76355ac87d12f6bfb3f0d267ce599bd3113014fe936ed4c59

SHA512
a027ae6f9e8d0480d3ec41d947e73bdf5530df0899bc7b777fc2ad07735e232949557fe0579fb3fd606ee6529da1355dd54fd37525a83f64e07eb5d3f7645648

Download Submit
/data/data/com.rifubetoteha.domoju/app_ded/x9ChsQHyZLLpANdDugVgc0cALjtkVD4K.dex

Filesize
4.7MB

MD5
25f4f0398f07d71c274d510a5979cbc6

SHA1
e7ecb46ae314f2ce33b8f5af7a7a80cab7dbfc05

SHA256
a37237f95364e64a60a068ce59a1a9d513d573955b0747940492ecfafd3aa90d

SHA512
0f187f124bd061541fa726f5159556f2ac7c1814e95d495bc92001064a7381a96282e5527ea1528f1564415eff0feda3469696fd84c89e2d2c22ee97c15a6f40

Download Submit
/data/data/com.rifubetoteha.domoju/no_backup/androidx.work.workdb

Filesize
4KB

MD5
f2b4b0190b9f384ca885f0c8c9b14700

SHA1
934ff2646757b5b6e7f20f6a0aa76c7f995d9361

SHA256
0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

SHA512
ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

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

Filesize
512B

MD5
c44c474b218e63e8db14d28f49b64a47

SHA1
e42afbc43213c6959de1dcd85760bd6042a10d47

SHA256
7d75bb1856eca055304994ddc791c3f8df1aaa02541ec166fd96552c45af4d8d

SHA512
948271ae646870d92ca39f144bf4f7ebff02de1ac73a1d560a47a7356423031182365d0afca5353f9588fa43cd1c177b1a24239a2ae30aeb6fedc46614d19969

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

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

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

Filesize
16KB

MD5
4523a5c7f59de7251840123b3fe7a1f5

SHA1
f937d14a3a62781264007a39d55cba45d0ac88bd

SHA256
671c1ef674cf3e4368cfbc98936682100e015ebaf34582d6fd35d930b045b8a7

SHA512
617ba90e184760bf6dbe652329d89bcb4121783cbb5ddd99443ec99decae52d8d85fdcefd7a6292669e5ded5339c6cb238893cee4fa1ce610427b898010c50d0

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

Filesize
108KB

MD5
079163357fa5949e95d65f15faa0f1e2

SHA1
9b71171f0b4f11ff539485c68ba846d35d848405

SHA256
a905662e66aabe26b9d476e9cacee683e8787fbf9bb691c2adb0bd37367b6229

SHA512
c05b59551a4939b55a8685f546fa0b6f518cf81fc509c40630dbca7936f3205ae9b8fe8c5ba3bc46a8f68f8db0ede14a6df1a74d2ec878a245f8dc3bedb254c8

Download Submit
/storage/emulated/0/crash/crash-2024-02-12-18-29-24-1707762564568.log

Filesize
3KB

MD5
1762af825fdfbf5abbffc0f73eb0ca13

SHA1
4bc8e8013618a26bf253a18d92f64141caa0e7e3

SHA256
2e637206e8f3e2c101b9449c1b06a9adfd902178479f45b60415b6610806933b

SHA512
1209d212b486365a91c4e3ba7499c26b95a9b5eb582c1e8ea830463eacc5f4c00c32ea5b76742966af08641768ca374c28d7660b4a8e7698ebbf4ffd0ca3e8dd

Download Submit