Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
20/10/2022, 00:18
Behavioral task
behavioral1
Sample
79c403cf7bfb43356cc397ddafa1bca54bcd41d798e89e218d7e4797321d572e.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
79c403cf7bfb43356cc397ddafa1bca54bcd41d798e89e218d7e4797321d572e.exe
Resource
win10v2004-20220901-en
General
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Target
79c403cf7bfb43356cc397ddafa1bca54bcd41d798e89e218d7e4797321d572e.exe
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Size
28KB
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MD5
a1aff49f6a41d29253fe8ef8352beeb7
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SHA1
07a89d2aa22f387cfc516082f5666b6b21531c69
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SHA256
79c403cf7bfb43356cc397ddafa1bca54bcd41d798e89e218d7e4797321d572e
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SHA512
68573ddd32dd2446807f1589a9bbf277d2d5f1ea59dbb11afaf7deb022f4293ad4e746a554a7f14a5451c46378340b6d1a6abe1949b4dd95123cd1e3f4ffd7cb
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SSDEEP
384:1vxBbK26lj5Id8SpHx9jLhsznnVxA1WmP5w7GGCJlqqwMyNGs7r3phv:Dv8IRRdsxq1DjJcqffCzphv
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4964 services.exe -
resource yara_rule behavioral2/memory/1344-132-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/files/0x0002000000022ddb-135.dat upx behavioral2/files/0x0002000000022ddb-134.dat upx behavioral2/memory/4964-137-0x0000000000400000-0x0000000000408000-memory.dmp upx behavioral2/memory/1344-138-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral2/memory/4964-139-0x0000000000400000-0x0000000000408000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\JavaVM = "C:\\Windows\\java.exe" 79c403cf7bfb43356cc397ddafa1bca54bcd41d798e89e218d7e4797321d572e.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Services = "C:\\Windows\\services.exe" services.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\services.exe 79c403cf7bfb43356cc397ddafa1bca54bcd41d798e89e218d7e4797321d572e.exe File opened for modification C:\Windows\java.exe 79c403cf7bfb43356cc397ddafa1bca54bcd41d798e89e218d7e4797321d572e.exe File created C:\Windows\java.exe 79c403cf7bfb43356cc397ddafa1bca54bcd41d798e89e218d7e4797321d572e.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1344 wrote to memory of 4964 1344 79c403cf7bfb43356cc397ddafa1bca54bcd41d798e89e218d7e4797321d572e.exe 83 PID 1344 wrote to memory of 4964 1344 79c403cf7bfb43356cc397ddafa1bca54bcd41d798e89e218d7e4797321d572e.exe 83 PID 1344 wrote to memory of 4964 1344 79c403cf7bfb43356cc397ddafa1bca54bcd41d798e89e218d7e4797321d572e.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\79c403cf7bfb43356cc397ddafa1bca54bcd41d798e89e218d7e4797321d572e.exe"C:\Users\Admin\AppData\Local\Temp\79c403cf7bfb43356cc397ddafa1bca54bcd41d798e89e218d7e4797321d572e.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1344 -
C:\Windows\services.exe"C:\Windows\services.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
PID:4964
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD580b94312c2eb4175cd32997268491d95
SHA1180e47bfd81127ccc6b16d77780006b6efc39303
SHA2566abc9e938216a512c07d54d13512e497afb0ce8ec153a0500800bc83b90dfeaa
SHA512c0f4050938c7590ebd7eef267bd9ab9d53441a8a1d8c8f2548f129f1a892f4e05f547fd61458cfd0a2a7ec0b77d3ce00d9db09c9e9b2d1017d24f1f7f201da5f
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Filesize
1KB
MD5d5eba57da620f0800ecda00342e666f4
SHA1598d82008802faab11e8089b6c966601fc7dd1e7
SHA256f00668e949f52ae45d248e1f05ddb0654fb6ba08ceffe46cd0502a1a1dfb47e3
SHA51226061047dd3f8dcf1565999688e176f7c1f342ae579a16cbbe22c669157661cad3949796717f0225a5e22d1f5e54ddb5910180d3bc1cfe663ead65c4d9782378
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Filesize
1KB
MD54702ade8e356c11e6020c7f06e569126
SHA1f27740b03abffc8c42a6554a3a46c8ee14886841
SHA256afed617367f44c82944c183fe85e06bb47ea4f7ac198faaa891812d9fcb7f540
SHA512eab1aec5f5aba8d121d22b8051c7351352447e72669a50c48ffe5e9fe99fdc8f14f2360799e3722878cf0231c04b3086df204dce918e4ba80a9ebf483dca1e08
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2
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Filesize
8KB
MD5b0fe74719b1b647e2056641931907f4a
SHA1e858c206d2d1542a79936cb00d85da853bfc95e2
SHA256bf316f51d0c345d61eaee3940791b64e81f676e3bca42bad61073227bee6653c
SHA5129c82e88264696d0dadef9c0442ad8d1183e48f0fb355a4fc9bf4fa5db4e27745039f98b1fd1febff620a5ded6dd493227f00d7d2e74b19757685aa8655f921c2