Analysis
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max time kernel
149s -
max time network
137s -
platform
android_x86 -
resource
android-x86-arm-20231215-en -
resource tags
androidarch:armarch:x86image:android-x86-arm-20231215-enlocale:en-usos:android-9-x86system -
submitted
28-01-2024 21:34
Static task
static1
Behavioral task
behavioral1
Sample
7e0fb2f9a44f5f0fd16b13a057073c4a.apk
Resource
android-x86-arm-20231215-en
Behavioral task
behavioral2
Sample
7e0fb2f9a44f5f0fd16b13a057073c4a.apk
Resource
android-x64-20231215-en
Behavioral task
behavioral3
Sample
7e0fb2f9a44f5f0fd16b13a057073c4a.apk
Resource
android-x64-arm64-20231215-en
General
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Target
7e0fb2f9a44f5f0fd16b13a057073c4a.apk
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Size
4.8MB
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MD5
7e0fb2f9a44f5f0fd16b13a057073c4a
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SHA1
a05f51771024502c146840cd976007fa53c09ed1
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SHA256
65f49dd1523e0e28ff85f339142b6f36e36203e88ae969ef6e8fb8d3e48c171c
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SHA512
0909a1a7d883022f6afbfab5decc3841f8a1b0d0c993fb5730656eef38ee321cae2dcdf32cf11ce3650bdf33bc96f63803a424c104358131f76a9e629c224792
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SSDEEP
98304:RbmNnh99Cq7yEvmO4IdrC6MrUl3n46ca26tEQ6iv9L:RSRh99CCyEvmO4IdurK6a26tEQ6QZ
Malware Config
Signatures
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Hydra
Android banker and info stealer.
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Hydra payload 3 IoCs
resource yara_rule behavioral1/files/fstream-2.dat family_hydra1 behavioral1/memory/4240-0.dex family_hydra1 behavioral1/memory/4240-1.dex family_hydra1 -
Makes use of the framework's Accessibility service 2 IoCs
Retrieves information displayed on the phone screen using AccessibilityService.
description ioc Process Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId fork.walk.elder Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId fork.walk.elder -
Loads dropped Dex/Jar 3 IoCs
Runs executable file dropped to the device during analysis.
ioc pid Process /data/user/0/fork.walk.elder/app_DynamicOptDex/orQR.json 4240 fork.walk.elder /data/user/0/fork.walk.elder/app_DynamicOptDex/orQR.json 4267 /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/fork.walk.elder/app_DynamicOptDex/orQR.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/fork.walk.elder/app_DynamicOptDex/oat/x86/orQR.odex --compiler-filter=quicken --class-loader-context=& /data/user/0/fork.walk.elder/app_DynamicOptDex/orQR.json 4240 fork.walk.elder -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 8 ip-api.com -
Reads information about phone network operator.
Processes
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fork.walk.elder1⤵
- Makes use of the framework's Accessibility service
- Loads dropped Dex/Jar
PID:4240 -
/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/fork.walk.elder/app_DynamicOptDex/orQR.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/fork.walk.elder/app_DynamicOptDex/oat/x86/orQR.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
PID:4267
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Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD59574d57dbb07881a21432467f31f4935
SHA1ce98aefda106e3a869fcaa5454244826e13a1301
SHA25665a202c298c1dca7dda2a03676d6fb61a2a2a9cab0e1ec2611a1f0e47f2f53ad
SHA512735efae67d37965feb1f03612112693d7a1bb31e24d352a930e9dfa577e9e29752a29407c6d11dacdb6d5ca40a8e03875b66ab1114e5675a28480ae657b5552e
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Filesize
2.8MB
MD545de85b6580748f906d9faf838cd921d
SHA1613828b6262d81e86d50faf276f80ff0aa4cb506
SHA25616ee8ff9501e199e184430c5203d23f2f5e0ceec89da579dc2bb0cf9c33850ab
SHA51264bc690be7856b7d9cf696403d37f601d8dbefabc454e5e3d15733cc10365d82e89758c82b398e19c7d50f08abddfc349e5a3b33b781757fe4427192c8e1374a
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Filesize
2.5MB
MD5b962adc0aa69403b2ae930503829b51f
SHA118b5c870f98c0de7456865e779e0252ae528acd1
SHA2567a20b1a83f5e056b7fef1078048b42f67cc8e717b3e57b61bd250b64b038f622
SHA51228948af399dd2363757c05d5d7823861e5b2c359fb42677f5043869a4f9e6172c13297a4b828567b5dffd6eb47b47249a8e9448c0d016916a5d0fcc1b8727651
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Filesize
2.8MB
MD56f038f3787e42510e4173ca1aae2e115
SHA13e97fe2e94cdde996ecac2ae167062328b78acce
SHA256326b4f05011f0638e00136b69006f19abda44f00a8bfd0a3dea710eb20e47374
SHA512754a339a52ef94427c4871f27293910353daab9cbc001ceea9406d2b8ce9efbfcaf43629395df28d6f43de4d1be4f5cc16e0b7aea9b2d749380ff210ac033120
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Filesize
2.8MB
MD51530240b126bfa3d62b6f485b24b5ae6
SHA19423cb3ae8b6e36002c2c0ff6666131168d650c1
SHA256f7b9eb9e9242a726f157537f23db4f9eaaaf4b90f99422d4cd6b2cd048564ffd
SHA512a44b3a3459a5aabe076366429903436938a2ac7e7174e5867c751b0888cead0492ce634c969cef8b4bf24e70258f0df48344c3c2768023afd1be11496a754455