Resubmissions
24/03/2024, 17:36
240324-v6mkpseb47 1024/03/2024, 17:25
240324-vzb6dsea48 1024/03/2024, 15:03
240324-sfgknagb51 1024/03/2024, 14:25
240324-rrgjcsdb88 10Analysis
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max time kernel
95s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
24/03/2024, 17:36
Static task
static1
Behavioral task
behavioral1
Sample
e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe
Resource
win10v2004-20240226-en
General
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Target
e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe
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Size
2.1MB
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MD5
530e5b703869db00c3b0814025c199c0
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SHA1
bacd94bd03b21e5f5ecae37acf070340f7f33222
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SHA256
e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46
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SHA512
8d5711efea6b95cb74f2b298dd193241f29941311009240787a7930ecbc625686b8f56a9807b711b351fbc2e964c3c817c253ccc75f9db1a5bdff2b9e9e550b8
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SSDEEP
49152:32IonT/SO6ZebdP47Q2jsCKC3LAxIJ57SCD7T0S/48I:mIZDZkQ70b1xInxD/48I
Malware Config
Signatures
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Detect Socks5Systemz Payload 2 IoCs
resource yara_rule behavioral1/memory/2512-72-0x00000000021D0000-0x0000000002272000-memory.dmp family_socks5systemz behavioral1/memory/2512-83-0x00000000021D0000-0x0000000002272000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 2600 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 2676 sitefreeedition.exe 2512 sitefreeedition.exe -
Loads dropped DLL 5 IoCs
pid Process 2236 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe 2600 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 2600 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 2600 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 2600 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2236 wrote to memory of 2600 2236 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe 28 PID 2236 wrote to memory of 2600 2236 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe 28 PID 2236 wrote to memory of 2600 2236 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe 28 PID 2236 wrote to memory of 2600 2236 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe 28 PID 2236 wrote to memory of 2600 2236 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe 28 PID 2236 wrote to memory of 2600 2236 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe 28 PID 2236 wrote to memory of 2600 2236 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe 28 PID 2600 wrote to memory of 2676 2600 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 29 PID 2600 wrote to memory of 2676 2600 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 29 PID 2600 wrote to memory of 2676 2600 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 29 PID 2600 wrote to memory of 2676 2600 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 29 PID 2600 wrote to memory of 2512 2600 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 30 PID 2600 wrote to memory of 2512 2600 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 30 PID 2600 wrote to memory of 2512 2600 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 30 PID 2600 wrote to memory of 2512 2600 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 30
Processes
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C:\Users\Admin\AppData\Local\Temp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe"C:\Users\Admin\AppData\Local\Temp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2236 -
C:\Users\Admin\AppData\Local\Temp\is-T4B3R.tmp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp"C:\Users\Admin\AppData\Local\Temp\is-T4B3R.tmp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp" /SL5="$5010A,1887224,54272,C:\Users\Admin\AppData\Local\Temp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2600 -
C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe"C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -i3⤵
- Executes dropped EXE
PID:2676
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C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe"C:\Users\Admin\AppData\Local\Site Free Edition\sitefreeedition.exe" -s3⤵
- Executes dropped EXE
PID:2512
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
320KB
MD5b75bd7a678e7bf6e81382433626db9f2
SHA1230aa0be900b4411c7e63b101b4dd7bddd6b6bd9
SHA2567cadfaaf77ce3b070b7a22121848854ad7aab455ef03a51740e1f630f3a3a53b
SHA512366545e70aab3d93373295b21d1e1c8cbf862034618a79ed3dbeea68bd9ee28b8585bcb9e5b6ea6efc576b9a9c75957ec0954db5782ed1ba453cfe1203d44e8b
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Filesize
2.2MB
MD5f5accb44aea64489ee12bd31c9c3dbb7
SHA134341d42e3664cc7a1682af3a0c98e566fb96d26
SHA256c8055d97a9d2d52abfccbef80d16a3f38d7c2108c1524c1e5aee14002aab98fe
SHA5121edbe7b50dd0bb1170dd0da0eeb53c33e52401453c0d6bf9b7bf1dd5dad670180d026091d92d022cb43f17cc0aef9b80414b1ee2baa8d1f518d53ca2b195ade4
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Filesize
1.5MB
MD5c53ed8d0ca5a0b96c4102833f67ba819
SHA14ae11ab35d21180a67e8435d3af9f1d62f8275c0
SHA25638cab3e2a8dc18c5d9ad6b46b73bf9068d0a6bfc3533f893005b0399efb1d18b
SHA512a2cc6598b814140a2b58d65fbc886053d8c5f4713b00b6c2930713aa66f157ea302b1a2a5073b9b05016d5bea8bbaca403198e19019d99a56a1d7a5f7c56e296
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Filesize
1.4MB
MD5a22d5d885b83a0f4af74d943e18e015a
SHA12fe4de0036f3735446532be02a82d573716ad005
SHA2567074c2e1fd69a23124adf14865331ca8e96f5871b0fa91261b2ea8779275f50a
SHA512c5b2fcaf04846460c4bcaef3f55964c47f4d7f693b07804ec8003ec4d51b721c2d7550599d0cd6de95088960559cb01c9b64c38eabfac277aece5eacfe6f7198
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\Users\Admin\AppData\Local\Temp\is-T4B3R.tmp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp
Filesize677KB
MD55a1e3d46cb5a24f8e50b2a59d2ba1cf3
SHA1fe86894c4757c144449bc744649b7fb9e03346f1
SHA256d3a2c2ce7d70b3b9c30faf3f72bf4ebcdea8f331d6b6cac5dae906327997985d
SHA512a27dc5c443abb31826b14e514aa717be5bf0f548b82170f79705f45ca28abaedc485c5b8738044735f61eca9e1f0ca659b519a3947551404085d07202ae709af
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3