Analysis
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max time kernel
511268s -
max time network
38s -
platform
android_x86 -
resource
android-x86-arm-20220823-en -
resource tags
androidarch:armarch:x86image:android-x86-arm-20220823-enlocale:en-usos:android-9-x86system -
submitted
04/02/2023, 23:07
Static task
static1
Behavioral task
behavioral1
Sample
signed.apk
Resource
android-x86-arm-20220823-en
Behavioral task
behavioral2
Sample
signed.apk
Resource
android-x64-arm64-20220823-en
General
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Target
signed.apk
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Size
8.4MB
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MD5
04f9f15fafe185a87406cfab414f1d82
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SHA1
e7c818ba772c05c2651577289cc696b193f4883b
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SHA256
232b31136ca516af6f62abe4dd07fd86edb8be698dca86d4dd27ed284206404a
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SHA512
ef9f68e9f50b477a4a48b571dcd809b1f92ee75960e2827db69408111e61d599220a5350fa3dc22f200fa784d6ebf6fb1726e22b1bfb966209bf7ac88a0046cf
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SSDEEP
196608:ZCDDMksCXzgAh+9WoBETw1OYkLJtaJ+KwXLk6I/oJ30jlEaukioEQOYz+:wDQksUogoac1ODDakKwXg6bN0JhlDA
Malware Config
Extracted
ermac
Signatures
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Ermac
An Android banking trojan first seen in July 2021.
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Ermac payload 4 IoCs
resource yara_rule behavioral1/files/4105-0.dat family_ermac behavioral1/memory/4105-0.dex family_ermac behavioral1/memory/4251-0.dex family_ermac behavioral1/memory/4105-1.dex family_ermac -
Loads dropped Dex/Jar 12 IoCs
Runs executable file dropped to the device during analysis.
ioc pid Process /data/user/0/com.ctwjesgj.ufefhxxu/app_ded/NDpF6BHqS8a1lsleDEQirXDoaBqAKms3.dex 4105 com.ctwjesgj.ufefhxxu /data/user/0/com.ctwjesgj.ufefhxxu/app_ded/NDpF6BHqS8a1lsleDEQirXDoaBqAKms3.dex 4251 /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.ctwjesgj.ufefhxxu/app_ded/NDpF6BHqS8a1lsleDEQirXDoaBqAKms3.dex --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.ctwjesgj.ufefhxxu/app_ded/oat/x86/NDpF6BHqS8a1lsleDEQirXDoaBqAKms3.odex --compiler-filter=quicken --class-loader-context=& /data/user/0/com.ctwjesgj.ufefhxxu/app_ded/NDpF6BHqS8a1lsleDEQirXDoaBqAKms3.dex 4105 com.ctwjesgj.ufefhxxu /data/user/0/com.ctwjesgj.ufefhxxu/app_ded/iiI8f6zhIpc5uSglFFP51JvDuqE1lfrf.dex 4105 com.ctwjesgj.ufefhxxu /data/user/0/com.ctwjesgj.ufefhxxu/app_ded/iiI8f6zhIpc5uSglFFP51JvDuqE1lfrf.dex 4395 /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.ctwjesgj.ufefhxxu/app_ded/iiI8f6zhIpc5uSglFFP51JvDuqE1lfrf.dex --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.ctwjesgj.ufefhxxu/app_ded/oat/x86/iiI8f6zhIpc5uSglFFP51JvDuqE1lfrf.odex --compiler-filter=quicken --class-loader-context=& /data/user/0/com.ctwjesgj.ufefhxxu/app_ded/iiI8f6zhIpc5uSglFFP51JvDuqE1lfrf.dex 4105 com.ctwjesgj.ufefhxxu /data/user/0/com.ctwjesgj.ufefhxxu/app_ded/uIZbPWZfm59VdzXnKNe5pmZJxuQDeTtK.dex 4105 com.ctwjesgj.ufefhxxu /data/user/0/com.ctwjesgj.ufefhxxu/app_ded/uIZbPWZfm59VdzXnKNe5pmZJxuQDeTtK.dex 4458 /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.ctwjesgj.ufefhxxu/app_ded/uIZbPWZfm59VdzXnKNe5pmZJxuQDeTtK.dex --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.ctwjesgj.ufefhxxu/app_ded/oat/x86/uIZbPWZfm59VdzXnKNe5pmZJxuQDeTtK.odex --compiler-filter=quicken --class-loader-context=& /data/user/0/com.ctwjesgj.ufefhxxu/app_ded/uIZbPWZfm59VdzXnKNe5pmZJxuQDeTtK.dex 4105 com.ctwjesgj.ufefhxxu /data/user/0/com.ctwjesgj.ufefhxxu/app_ded/1OGx5z734wzVnk2cpfiksiuBQCOVWxJL.dex 4105 com.ctwjesgj.ufefhxxu /data/user/0/com.ctwjesgj.ufefhxxu/app_ded/1OGx5z734wzVnk2cpfiksiuBQCOVWxJL.dex 4503 /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.ctwjesgj.ufefhxxu/app_ded/1OGx5z734wzVnk2cpfiksiuBQCOVWxJL.dex --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.ctwjesgj.ufefhxxu/app_ded/oat/x86/1OGx5z734wzVnk2cpfiksiuBQCOVWxJL.odex --compiler-filter=quicken --class-loader-context=& /data/user/0/com.ctwjesgj.ufefhxxu/app_ded/1OGx5z734wzVnk2cpfiksiuBQCOVWxJL.dex 4105 com.ctwjesgj.ufefhxxu -
Uses Crypto APIs (Might try to encrypt user data). 1 IoCs
description ioc Process Framework API call javax.crypto.Cipher.doFinal com.ctwjesgj.ufefhxxu
Processes
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com.ctwjesgj.ufefhxxu1⤵
- Loads dropped Dex/Jar
- Uses Crypto APIs (Might try to encrypt user data).
PID:4105 -
/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.ctwjesgj.ufefhxxu/app_ded/NDpF6BHqS8a1lsleDEQirXDoaBqAKms3.dex --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.ctwjesgj.ufefhxxu/app_ded/oat/x86/NDpF6BHqS8a1lsleDEQirXDoaBqAKms3.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
PID:4251
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/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.ctwjesgj.ufefhxxu/app_ded/iiI8f6zhIpc5uSglFFP51JvDuqE1lfrf.dex --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.ctwjesgj.ufefhxxu/app_ded/oat/x86/iiI8f6zhIpc5uSglFFP51JvDuqE1lfrf.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
PID:4395
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/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.ctwjesgj.ufefhxxu/app_ded/uIZbPWZfm59VdzXnKNe5pmZJxuQDeTtK.dex --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.ctwjesgj.ufefhxxu/app_ded/oat/x86/uIZbPWZfm59VdzXnKNe5pmZJxuQDeTtK.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
PID:4458
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/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.ctwjesgj.ufefhxxu/app_ded/1OGx5z734wzVnk2cpfiksiuBQCOVWxJL.dex --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/com.ctwjesgj.ufefhxxu/app_ded/oat/x86/1OGx5z734wzVnk2cpfiksiuBQCOVWxJL.odex --compiler-filter=quicken --class-loader-context=&2⤵
- Loads dropped Dex/Jar
PID:4503
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rm -r/data/user/0/com.ctwjesgj.ufefhxxu/app_ded/NDpF6BHqS8a1lsleDEQirXDoaBqAKms3.dex2⤵PID:4527
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rm -r/data/user/0/com.ctwjesgj.ufefhxxu/app_ded/iiI8f6zhIpc5uSglFFP51JvDuqE1lfrf.dex2⤵PID:4542
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rm -r/data/user/0/com.ctwjesgj.ufefhxxu/app_ded/uIZbPWZfm59VdzXnKNe5pmZJxuQDeTtK.dex2⤵PID:4560
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rm -r/data/user/0/com.ctwjesgj.ufefhxxu/app_ded/1OGx5z734wzVnk2cpfiksiuBQCOVWxJL.dex2⤵PID:4578
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rm -r/data/user/0/com.ctwjesgj.ufefhxxu/app_ded/oat/x86/NDpF6BHqS8a1lsleDEQirXDoaBqAKms3.vdex2⤵PID:4596
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rm -r/data/user/0/com.ctwjesgj.ufefhxxu/app_ded/oat/x86/NDpF6BHqS8a1lsleDEQirXDoaBqAKms3.odex2⤵PID:4620
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rm -r/data/user/0/com.ctwjesgj.ufefhxxu/app_ded/oat/x86/iiI8f6zhIpc5uSglFFP51JvDuqE1lfrf.vdex2⤵PID:4633
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rm -r/data/user/0/com.ctwjesgj.ufefhxxu/app_ded/oat/x86/iiI8f6zhIpc5uSglFFP51JvDuqE1lfrf.odex2⤵PID:4653
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rm -r/data/user/0/com.ctwjesgj.ufefhxxu/app_ded/oat/x86/uIZbPWZfm59VdzXnKNe5pmZJxuQDeTtK.vdex2⤵PID:4673
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rm -r/data/user/0/com.ctwjesgj.ufefhxxu/app_ded/oat/x86/uIZbPWZfm59VdzXnKNe5pmZJxuQDeTtK.odex2⤵PID:4689
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rm -r/data/user/0/com.ctwjesgj.ufefhxxu/app_ded/oat/x86/1OGx5z734wzVnk2cpfiksiuBQCOVWxJL.vdex2⤵PID:4706
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rm -r/data/user/0/com.ctwjesgj.ufefhxxu/app_ded/oat/x86/1OGx5z734wzVnk2cpfiksiuBQCOVWxJL.odex2⤵PID:4725
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Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
366KB
MD5eed3146cae88c5fe8c7da45b23f6ae9a
SHA1ae0a50840749e73b582ce071a296039a17d296d4
SHA2568379dcbdb9dd7789a19e183909e1f2ce65a25a806e95b04018e11ff7735fc33e
SHA51267a9322b7416ed4a56a70d1f0db0b51ac896286df029734a2df4fcfc37333ca860b7afa675f27d22ab9bf46f8db3759c738484841153b8c2b7fb5680eba0baaf
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Filesize
366KB
MD5eed3146cae88c5fe8c7da45b23f6ae9a
SHA1ae0a50840749e73b582ce071a296039a17d296d4
SHA2568379dcbdb9dd7789a19e183909e1f2ce65a25a806e95b04018e11ff7735fc33e
SHA51267a9322b7416ed4a56a70d1f0db0b51ac896286df029734a2df4fcfc37333ca860b7afa675f27d22ab9bf46f8db3759c738484841153b8c2b7fb5680eba0baaf
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Filesize
366KB
MD5b2852701a698b83cf61c8440c7b8c53c
SHA1aeb696aaeda2caca0981403341111f8e6defad11
SHA2563898aa7417b52d1a4b8703c2fd87df3eccc44bfd85ef1f540362a29366748358
SHA512643aea6014ccb4f2afc23a9f5b0eb37fe2cb12606b426aff1659f5aae2d30c434c373dfed45712445d5a5fde4b3a5f97e90fccc5ff7c8ca02dab8745283260ac
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Filesize
366KB
MD5eed3146cae88c5fe8c7da45b23f6ae9a
SHA1ae0a50840749e73b582ce071a296039a17d296d4
SHA2568379dcbdb9dd7789a19e183909e1f2ce65a25a806e95b04018e11ff7735fc33e
SHA51267a9322b7416ed4a56a70d1f0db0b51ac896286df029734a2df4fcfc37333ca860b7afa675f27d22ab9bf46f8db3759c738484841153b8c2b7fb5680eba0baaf
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Filesize
3.8MB
MD5ca1c7e59c33e57d29a9f6794e16acfad
SHA19871ab596b6ab0dd2c5e42e6d746f221ec3897a8
SHA256c434ee0564ffe2cb5ddd5f252b6380462545308ab487bdde2f047f7ca4ee8687
SHA512101f5d9b38b46a58b859f6f846357cd08a48f1414587f8e94bdc84987f587aacfcb3755a1cc9d12f175eea6b8de5b7a333305cd5c8bd6efc729484ef02263994
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Filesize
3.8MB
MD5ca1c7e59c33e57d29a9f6794e16acfad
SHA19871ab596b6ab0dd2c5e42e6d746f221ec3897a8
SHA256c434ee0564ffe2cb5ddd5f252b6380462545308ab487bdde2f047f7ca4ee8687
SHA512101f5d9b38b46a58b859f6f846357cd08a48f1414587f8e94bdc84987f587aacfcb3755a1cc9d12f175eea6b8de5b7a333305cd5c8bd6efc729484ef02263994
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Filesize
3.8MB
MD5a4652cb14c17a1a553837f0adfec6e4f
SHA13a821242bf6126b0efae352d066362d9855d1acc
SHA256712273dd7ba3ecacf484b31b24cece19e59d3617561bffb08f3b522fcbea167e
SHA512382f4ebd029dc3de7546c8fc8f6a42f8fa7da88c7bb1bc3636ea2eca0f6a04207d6e26b2e92170a9927f6c6f3e9e403bb6bb3ab93369146ca6807b5dee5d50b0
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Filesize
3.8MB
MD5ca1c7e59c33e57d29a9f6794e16acfad
SHA19871ab596b6ab0dd2c5e42e6d746f221ec3897a8
SHA256c434ee0564ffe2cb5ddd5f252b6380462545308ab487bdde2f047f7ca4ee8687
SHA512101f5d9b38b46a58b859f6f846357cd08a48f1414587f8e94bdc84987f587aacfcb3755a1cc9d12f175eea6b8de5b7a333305cd5c8bd6efc729484ef02263994
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Filesize
3.1MB
MD5bba7aceaeb4ffb791c3d78cb9f3c6b3b
SHA175a7637d4c40c879c0736f034bfb9c1432fec973
SHA256177216c77e782bf041aaf07b067e039300638e66002950154ff855707d1254f9
SHA512b42b6fee9ccf07ec1484435d68ca63d24a1b392e1e310b4a8496e560093a3c1a8145f8ad91eec54b8254e70f3659f98ae46156f5ed2ba9664f9e3cb32f0b59ab
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Filesize
3.1MB
MD5bba7aceaeb4ffb791c3d78cb9f3c6b3b
SHA175a7637d4c40c879c0736f034bfb9c1432fec973
SHA256177216c77e782bf041aaf07b067e039300638e66002950154ff855707d1254f9
SHA512b42b6fee9ccf07ec1484435d68ca63d24a1b392e1e310b4a8496e560093a3c1a8145f8ad91eec54b8254e70f3659f98ae46156f5ed2ba9664f9e3cb32f0b59ab
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Filesize
3.1MB
MD51f42bf73116d0515d9b9957def189887
SHA1515f7b5d31f56eb34acee3c67de2b754d2b0d319
SHA256438394b132e3c227674c43c4f6fc0e75a97ebdce010a933fbbbe69c02138393e
SHA51217c8ca27212510a39ddd2dc8cb017ae30fd0fa6d7e4641e13d1018c7ae741c6c076e16814ece55e56ece60ec03f9b38f214adc1d1bfc5d56764ffe0c1393b933
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Filesize
3.1MB
MD5bba7aceaeb4ffb791c3d78cb9f3c6b3b
SHA175a7637d4c40c879c0736f034bfb9c1432fec973
SHA256177216c77e782bf041aaf07b067e039300638e66002950154ff855707d1254f9
SHA512b42b6fee9ccf07ec1484435d68ca63d24a1b392e1e310b4a8496e560093a3c1a8145f8ad91eec54b8254e70f3659f98ae46156f5ed2ba9664f9e3cb32f0b59ab
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Filesize
3.5MB
MD5cac6a0a2d78e39d587284afc264fdf61
SHA1eb6eb68de88ac18713de58f327b849408c02d891
SHA256541ab62f6bad60f106452a72df5c46f92c44c6fd2d87e8da6218561a7d654a3c
SHA512a0034a1fb64f4fba73c33326d0cdb35395d18d0a48f296d07f34508c02198192bc4b0c40a732869b14d5a5721a4c5293178e4e9e068674ae01399d451090f1bf
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Filesize
3.5MB
MD5cac6a0a2d78e39d587284afc264fdf61
SHA1eb6eb68de88ac18713de58f327b849408c02d891
SHA256541ab62f6bad60f106452a72df5c46f92c44c6fd2d87e8da6218561a7d654a3c
SHA512a0034a1fb64f4fba73c33326d0cdb35395d18d0a48f296d07f34508c02198192bc4b0c40a732869b14d5a5721a4c5293178e4e9e068674ae01399d451090f1bf
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Filesize
3.5MB
MD578484503583910c2df6f016046a2567c
SHA142f17f2d40a7037cb3f44cad193d528cc7c6ad40
SHA256e3203456b203522008c5924f0e9fa8db5dc720115bb618a719f9448fb6f8bcef
SHA512b48069eb1257d00b4f3942a2a442f26bfcc596fb8e8635172c3a0ee7814593ce9e48da2fbf57c098b78dc19bb237a81258df1a91bc14b1a2aecc5e015b1c2a6e
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Filesize
3.5MB
MD5cac6a0a2d78e39d587284afc264fdf61
SHA1eb6eb68de88ac18713de58f327b849408c02d891
SHA256541ab62f6bad60f106452a72df5c46f92c44c6fd2d87e8da6218561a7d654a3c
SHA512a0034a1fb64f4fba73c33326d0cdb35395d18d0a48f296d07f34508c02198192bc4b0c40a732869b14d5a5721a4c5293178e4e9e068674ae01399d451090f1bf