Analysis
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max time kernel
142s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
29-06-2024 12:25
Static task
static1
Behavioral task
behavioral1
Sample
daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral2
Sample
daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.exe
Resource
win11-20240611-en
General
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Target
daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.exe
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Size
5.1MB
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MD5
9a3174d1fe7143489aa92c8f44693189
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SHA1
10005595e058ad126574068fdf39dcf41181e76c
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SHA256
daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a
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SHA512
ce81f2c36714dec018cd083fcbff3977faef0c090d2d161b510d41e60fb906239ad5cccb16b2b1ef24b4f3744acc9e5836e53d728e0c0ccf45b7dc145d214c80
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SSDEEP
98304:CabHSQxovZ7J7+nxJpRKjZ7+dYfeXsw5lC/v0SQxY:jcVUJRKjZPvw5EX0SQC
Malware Config
Signatures
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Detect Socks5Systemz Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/4792-88-0x0000000000980000-0x0000000000A21000-memory.dmp family_socks5systemz behavioral1/memory/4792-111-0x0000000000980000-0x0000000000A21000-memory.dmp family_socks5systemz behavioral1/memory/4792-112-0x0000000000980000-0x0000000000A21000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
Processes:
daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.tmpvkfreeaudiosaver32.exevkfreeaudiosaver32.exepid process 1792 daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.tmp 4928 vkfreeaudiosaver32.exe 4792 vkfreeaudiosaver32.exe -
Loads dropped DLL 1 IoCs
Processes:
daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.tmppid process 1792 daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Processes:
description ioc Destination IP 141.98.234.31 -
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 FindShellTrayWindow 1 IoCs
Processes:
daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.tmppid process 1792 daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.tmp -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.exedaeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.tmpdescription pid process target process PID 4976 wrote to memory of 1792 4976 daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.exe daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.tmp PID 4976 wrote to memory of 1792 4976 daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.exe daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.tmp PID 4976 wrote to memory of 1792 4976 daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.exe daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.tmp PID 1792 wrote to memory of 4928 1792 daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.tmp vkfreeaudiosaver32.exe PID 1792 wrote to memory of 4928 1792 daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.tmp vkfreeaudiosaver32.exe PID 1792 wrote to memory of 4928 1792 daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.tmp vkfreeaudiosaver32.exe PID 1792 wrote to memory of 4792 1792 daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.tmp vkfreeaudiosaver32.exe PID 1792 wrote to memory of 4792 1792 daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.tmp vkfreeaudiosaver32.exe PID 1792 wrote to memory of 4792 1792 daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.tmp vkfreeaudiosaver32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.exe"C:\Users\Admin\AppData\Local\Temp\daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-9HHJ7.tmp\daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.tmp"C:\Users\Admin\AppData\Local\Temp\is-9HHJ7.tmp\daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.tmp" /SL5="$6020C,5119966,54272,C:\Users\Admin\AppData\Local\Temp\daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\VK Free Audio Saver\vkfreeaudiosaver32.exe"C:\Users\Admin\AppData\Local\VK Free Audio Saver\vkfreeaudiosaver32.exe" -i3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\VK Free Audio Saver\vkfreeaudiosaver32.exe"C:\Users\Admin\AppData\Local\VK Free Audio Saver\vkfreeaudiosaver32.exe" -s3⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\is-4EHQ0.tmp\_isetup\_iscrypt.dllFilesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-9HHJ7.tmp\daeea89cadc7bec5f8fbe6b5a7a267275f8b22b4fabc6443fa4fb19f05f6860a.tmpFilesize
680KB
MD531afd676fdf62a3ee6a499837ea0ffef
SHA19a014771b713474cd787cd20857b79b6cdf236c3
SHA256ed615763544059955ebae2a355a1ecca2bba3af561c82b274ee86b303d52a292
SHA512ca9e0d6d3f174027aeafa15a2b7e3642c8e5208d69dd7cafb5d5e841298973503a1e53226ae3df7e2e2601b574da55dde16bcc93b22101710060876b248979b3
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C:\Users\Admin\AppData\Local\VK Free Audio Saver\vkfreeaudiosaver32.exeFilesize
3.5MB
MD5b63980b3331e5d6044d3f03a05174ec7
SHA16ca86f6560527383f3185be64d35099aac3998eb
SHA25650444e9699c2f7864f47edff519c4c60a2250d6349b6add250befcec0e9dccfb
SHA51217b65845bee605e30176b962c70f305d54727a14fbc70281c78273a95a53f3579a3da6023851329c8bccf067d4e3b122257d6c7daceffa2d9983eee29d952dd7
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memory/1792-71-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/1792-7-0x0000000000400000-0x00000000004BA000-memory.dmpFilesize
744KB
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memory/4792-101-0x0000000000400000-0x0000000000782000-memory.dmpFilesize
3.5MB
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memory/4792-76-0x0000000000400000-0x0000000000782000-memory.dmpFilesize
3.5MB
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memory/4792-111-0x0000000000980000-0x0000000000A21000-memory.dmpFilesize
644KB
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memory/4792-110-0x0000000000400000-0x0000000000782000-memory.dmpFilesize
3.5MB
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memory/4792-107-0x0000000000400000-0x0000000000782000-memory.dmpFilesize
3.5MB
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memory/4792-67-0x0000000000400000-0x0000000000782000-memory.dmpFilesize
3.5MB
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memory/4792-69-0x0000000000400000-0x0000000000782000-memory.dmpFilesize
3.5MB
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memory/4792-104-0x0000000000400000-0x0000000000782000-memory.dmpFilesize
3.5MB
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memory/4792-119-0x0000000000400000-0x0000000000782000-memory.dmpFilesize
3.5MB
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memory/4792-72-0x0000000000400000-0x0000000000782000-memory.dmpFilesize
3.5MB
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memory/4792-75-0x0000000000400000-0x0000000000782000-memory.dmpFilesize
3.5MB
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memory/4792-112-0x0000000000980000-0x0000000000A21000-memory.dmpFilesize
644KB
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memory/4792-79-0x0000000000400000-0x0000000000782000-memory.dmpFilesize
3.5MB
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memory/4792-82-0x0000000000400000-0x0000000000782000-memory.dmpFilesize
3.5MB
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memory/4792-85-0x0000000000400000-0x0000000000782000-memory.dmpFilesize
3.5MB
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memory/4792-88-0x0000000000980000-0x0000000000A21000-memory.dmpFilesize
644KB
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memory/4792-90-0x0000000000400000-0x0000000000782000-memory.dmpFilesize
3.5MB
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memory/4792-95-0x0000000000400000-0x0000000000782000-memory.dmpFilesize
3.5MB
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memory/4792-98-0x0000000000400000-0x0000000000782000-memory.dmpFilesize
3.5MB
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memory/4792-116-0x0000000000400000-0x0000000000782000-memory.dmpFilesize
3.5MB
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memory/4928-59-0x0000000000400000-0x0000000000782000-memory.dmpFilesize
3.5MB
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memory/4928-60-0x0000000000400000-0x0000000000782000-memory.dmpFilesize
3.5MB
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memory/4928-65-0x0000000000400000-0x0000000000782000-memory.dmpFilesize
3.5MB
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memory/4928-63-0x0000000000400000-0x0000000000782000-memory.dmpFilesize
3.5MB
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memory/4976-3-0x0000000000401000-0x000000000040B000-memory.dmpFilesize
40KB
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memory/4976-0-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/4976-70-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB