44edb14e4d26c50380ef7369128ba4dadd8c90d36354dfe099e07cdc7a216256

General

Target
jaffacakes118_not-a-virus.HEUR.AdWare.AndroidOS.Ewind.cs.apk
Size 9.5MB
Sample261015-db99vac13p
SHA256 44edb14e4d26c50380ef7369128ba4dadd8c90d36354dfe099e07cdc7a216256
MD5 cdf8119c8f4f606fdb83d35b56f45f9b
SHA1 e8a859bebd91aa604f5cada884440eaebd7d5bc3
SHA512 d54e92c47a1bc139e580d1b315255123de603ad104249a0cbee74be3161ce608fb17a05582c3a27ec25ee04bf4b58a276d332d6172fd948aa1d0276cad39a1c3
SSDEEP 196608:dpD6Pyv7I9RWu40uaSPF87SjGmb61EjHkpDnMfhHqKyFGCyvPvDzgATow:dAPe7I9R5btyv1jEx08wRnDzgAUw
TLSH
T162A633839358A466D0BAC536C3F98F9F65A99C085707EB330149F47C94BFDC4AE48AC9
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery evasion impact persistence

Malware Config

Signatures

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.yiwan.sgjs/cache/1582435991586.jar	4256	/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.yiwan.sgjs/cache/1582435991586.jar --output-vdex-fd=48 --oat-fd=49 --oat-location=/data/user/0/com.yiwan.sgjs/cache/oat/x86/1582435991586.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.yiwan.sgjs/cache/1582435991586.jar	4218	com.yiwan.sgjs

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.yiwan.sgjs

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.yiwan.sgjs

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.yiwan.sgjs

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.yiwan.sgjs

com.yiwan.sgjs
1⤵
- Loads dropped Dex/Jar
- Queries information about running processes on the device
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
- Checks memory information
PID:4218
- /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.yiwan.sgjs/cache/1582435991586.jar --output-vdex-fd=48 --oat-fd=49 --oat-location=/data/user/0/com.yiwan.sgjs/cache/oat/x86/1582435991586.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4256

Network

MITRE ATT&CK Mobile v16

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1624

Broadcast Receivers

1

T1624.001

Privilege Escalation

Defense Evasion

Download New Code at Runtime

1

T1407

Virtualization/Sandbox Evasion

1

T1633

System Checks

1

T1633.001

Credential Access

Discovery

Process Discovery

1

T1424

System Information Discovery

1

T1426

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

1

T1471

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Downloads

1582435991586.jar

Path /data/data/com.yiwan.sgjs/cache/1582435991586.jar
Size 9KB
SHA256 f809447486f89fcaa74f87e06d126d103d37eb2b3157e88f2c06d989b2c284ce
MD5 e8e0527a01aefdb89afd2c508f131da1
SHA1 f1103e6b260c657ceb3d95f1b023af3fda8b133a
SHA512 fb53683a83f1068d0f94567b156e6a8910c45b1b5f33db919f7e0b9c55eab28507a235ef76d44d5b549599ea3b54dbc00496a633339d276a80f395da938d6d34
SSDEEP 192:uGJqbQwgQYuNUnEV4bAa0s/ombgmdxjX5fGpTVHb3qX:LkMwTTNdlns/ombJB
TLSH
T1C412AEB4BF77093CD0DB0DB8CA67E800A05F25841AA7D514E0656066BFD47B5F1E315A
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

1582435991586.jar

Path /data/user/0/com.yiwan.sgjs/cache/1582435991586.jar
Size 20KB
SHA256 105c54b6fe3f25350e92187467761598e4c21d62b1091b77d091f65f3bd98864
MD5 2048eb6124a452540ee51dae4145aadf
SHA1 d05005b2cd7fe4cd652b0d7fd1bdac2c19d51451
SHA512 bb6cb3853dd2a5d0701e20607d4e153ae201268dd2e5e2d06cc2df208b3b4dc50132a4ab428251b1644d2399fcc717662438d082ff14203387bab8794109d44d
SSDEEP 384:Za0jn+huC5sMvRuvypj6f2ZzJgnnFGOkDkX+EOog9IWkzb7a5b9VQ3AKm8:ZU5sMvu/f2/gnLCH9It7ab9y3AK7
TLSH
T17892A553B7818533D56C9E3B293FD380DB20B3008A23A70759445BAEBCEE7D526E5AD4
MD5 SHA1 SHA512 SSDEEP TLSH

Download

1582435991586.jar

Path /data/user/0/com.yiwan.sgjs/cache/1582435991586.jar
Size 20KB
SHA256 2897b0812077c654a9b3fbb0b6303d5cde681eeba7ad9981de65716c7810d685
MD5 fde2ee00cbd121cfab5290b078aa3ceb
SHA1 e2b77d5320e155e413d040a8c20020962065b2f8
SHA512 a9326aff8e454a2b4ac09984ef2a65fddd4dc146b4c44d839035549bff8c9fdaae490326d0b018f76c1ca2e4fb25426d74f550ca0950982fba632a023af99a56
SSDEEP 384:Za0jn+huC5sMvRuvypj6f2ZzJgm+poK+l8m4qxXpj/7wyxBLBiok+9VQ3AKm8:ZU5sMvu/f2/gm+pDAPzj/Dip+9y3AK7
TLSH
T1D592A457B3918563D57CCD3F3A3ED390EB20B210CA23970728459AAEBDEA3D525D1AC4
MD5 SHA1 SHA512 SSDEEP TLSH

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Mobile v16

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Downloads