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
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
24/03/2024, 17:25
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 3 IoCs
resource yara_rule behavioral2/memory/4716-66-0x00000000007D0000-0x0000000000872000-memory.dmp family_socks5systemz behavioral2/memory/4716-69-0x00000000007D0000-0x0000000000872000-memory.dmp family_socks5systemz behavioral2/memory/4716-80-0x00000000007D0000-0x0000000000872000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 4796 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 4132 sitefreeedition.exe 4716 sitefreeedition.exe -
Loads dropped DLL 1 IoCs
pid Process 4796 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp -
Unexpected DNS network traffic destination 2 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 152.89.198.214 Destination IP 152.89.198.214 -
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 9 IoCs
description pid Process procid_target PID 2592 wrote to memory of 4796 2592 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe 96 PID 2592 wrote to memory of 4796 2592 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe 96 PID 2592 wrote to memory of 4796 2592 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe 96 PID 4796 wrote to memory of 4132 4796 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 99 PID 4796 wrote to memory of 4132 4796 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 99 PID 4796 wrote to memory of 4132 4796 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 99 PID 4796 wrote to memory of 4716 4796 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 100 PID 4796 wrote to memory of 4716 4796 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 100 PID 4796 wrote to memory of 4716 4796 e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp 100
Processes
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C:\Users\Admin\AppData\Local\Temp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe"C:\Users\Admin\AppData\Local\Temp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2592 -
C:\Users\Admin\AppData\Local\Temp\is-IPVIJ.tmp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp"C:\Users\Admin\AppData\Local\Temp\is-IPVIJ.tmp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp" /SL5="$70214,1887224,54272,C:\Users\Admin\AppData\Local\Temp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4796 -
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:4132
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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:4716
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4240 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:81⤵PID:5044
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.6MB
MD5fdf1de7ee4b2c555a5efafd43b4af522
SHA1d7161f0b54b8fbdb2b3ae9621f13c17e88c2fcd8
SHA256df1f3e480a17a72bf77caa0bd936ad762c98c2a60187732d2d038edfc56eba0e
SHA5127223cc1c47e4d98fd2b6954500404c574fc41088e335c105fb34974559458f45254b52b270650ceda60fb92d3811557253584d88c32e090674dbac04831e934e
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Filesize
2.2MB
MD5f5accb44aea64489ee12bd31c9c3dbb7
SHA134341d42e3664cc7a1682af3a0c98e566fb96d26
SHA256c8055d97a9d2d52abfccbef80d16a3f38d7c2108c1524c1e5aee14002aab98fe
SHA5121edbe7b50dd0bb1170dd0da0eeb53c33e52401453c0d6bf9b7bf1dd5dad670180d026091d92d022cb43f17cc0aef9b80414b1ee2baa8d1f518d53ca2b195ade4
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C:\Users\Admin\AppData\Local\Temp\is-IPVIJ.tmp\e44d878e1be2235927f48fa0d547e95a8b64e92e31a920a5a3439b9c79657b46.tmp
Filesize677KB
MD55a1e3d46cb5a24f8e50b2a59d2ba1cf3
SHA1fe86894c4757c144449bc744649b7fb9e03346f1
SHA256d3a2c2ce7d70b3b9c30faf3f72bf4ebcdea8f331d6b6cac5dae906327997985d
SHA512a27dc5c443abb31826b14e514aa717be5bf0f548b82170f79705f45ca28abaedc485c5b8738044735f61eca9e1f0ca659b519a3947551404085d07202ae709af
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63