Analysis
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max time kernel
144s -
max time network
129s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
23/03/2024, 12:31
Static task
static1
Behavioral task
behavioral1
Sample
ded765bc5ba4afdd70cdca87b06e031f.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
ded765bc5ba4afdd70cdca87b06e031f.exe
Resource
win10v2004-20240226-en
General
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Target
ded765bc5ba4afdd70cdca87b06e031f.exe
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Size
2.0MB
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MD5
ded765bc5ba4afdd70cdca87b06e031f
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SHA1
e422aec0d328480a4de087d57eb4c4ff5d4aba5e
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SHA256
5d56c9f85ca9374aee5fb7a4fdec2ba0d41123a39d74836419b40d35c6f29ee2
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SHA512
3abeab5b8268a885ed4b86a5dd7dbc83cfa4d4e53473c55fb92f7347e9732f108fdfcec3b8f1d3a1153c96dd44cd25224df343ded65ba54da603bdd5093bbfb8
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SSDEEP
49152:32qrMGcmhsZWMZA9wvRXHURUwDbNVrhs2zFb+Z90se7D:m6V0WMZXXiFbjrhs21w9bc
Malware Config
Extracted
socks5systemz
http://bexjfoq.com/search/?q=67e28dd86a5ef62a130aa5197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ce8889b5e4fa9281ae978a771ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668ff616c1ec95
http://bexjfoq.com/search/?q=67e28dd86a5ef62a130aa5197c27d78406abdd88be4b12eab517aa5c96bd86ee9d8145815a8bbc896c58e713bc90c91936b5281fc235a925ed3e04d6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c1ee9c9d3ace6f
Signatures
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Detect Socks5Systemz Payload 4 IoCs
resource yara_rule behavioral1/memory/2652-74-0x0000000002290000-0x0000000002332000-memory.dmp family_socks5systemz behavioral1/memory/2652-84-0x0000000002290000-0x0000000002332000-memory.dmp family_socks5systemz behavioral1/memory/2652-97-0x0000000002290000-0x0000000002332000-memory.dmp family_socks5systemz behavioral1/memory/2652-98-0x0000000002290000-0x0000000002332000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 1728 ded765bc5ba4afdd70cdca87b06e031f.tmp 2560 colorpicker.exe 2652 colorpicker.exe -
Loads dropped DLL 5 IoCs
pid Process 1096 ded765bc5ba4afdd70cdca87b06e031f.exe 1728 ded765bc5ba4afdd70cdca87b06e031f.tmp 1728 ded765bc5ba4afdd70cdca87b06e031f.tmp 1728 ded765bc5ba4afdd70cdca87b06e031f.tmp 1728 ded765bc5ba4afdd70cdca87b06e031f.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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 WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1096 wrote to memory of 1728 1096 ded765bc5ba4afdd70cdca87b06e031f.exe 28 PID 1096 wrote to memory of 1728 1096 ded765bc5ba4afdd70cdca87b06e031f.exe 28 PID 1096 wrote to memory of 1728 1096 ded765bc5ba4afdd70cdca87b06e031f.exe 28 PID 1096 wrote to memory of 1728 1096 ded765bc5ba4afdd70cdca87b06e031f.exe 28 PID 1096 wrote to memory of 1728 1096 ded765bc5ba4afdd70cdca87b06e031f.exe 28 PID 1096 wrote to memory of 1728 1096 ded765bc5ba4afdd70cdca87b06e031f.exe 28 PID 1096 wrote to memory of 1728 1096 ded765bc5ba4afdd70cdca87b06e031f.exe 28 PID 1728 wrote to memory of 2560 1728 ded765bc5ba4afdd70cdca87b06e031f.tmp 29 PID 1728 wrote to memory of 2560 1728 ded765bc5ba4afdd70cdca87b06e031f.tmp 29 PID 1728 wrote to memory of 2560 1728 ded765bc5ba4afdd70cdca87b06e031f.tmp 29 PID 1728 wrote to memory of 2560 1728 ded765bc5ba4afdd70cdca87b06e031f.tmp 29 PID 1728 wrote to memory of 2652 1728 ded765bc5ba4afdd70cdca87b06e031f.tmp 30 PID 1728 wrote to memory of 2652 1728 ded765bc5ba4afdd70cdca87b06e031f.tmp 30 PID 1728 wrote to memory of 2652 1728 ded765bc5ba4afdd70cdca87b06e031f.tmp 30 PID 1728 wrote to memory of 2652 1728 ded765bc5ba4afdd70cdca87b06e031f.tmp 30
Processes
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C:\Users\Admin\AppData\Local\Temp\ded765bc5ba4afdd70cdca87b06e031f.exe"C:\Users\Admin\AppData\Local\Temp\ded765bc5ba4afdd70cdca87b06e031f.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1096 -
C:\Users\Admin\AppData\Local\Temp\is-CNKGN.tmp\ded765bc5ba4afdd70cdca87b06e031f.tmp"C:\Users\Admin\AppData\Local\Temp\is-CNKGN.tmp\ded765bc5ba4afdd70cdca87b06e031f.tmp" /SL5="$4001C,1769802,54272,C:\Users\Admin\AppData\Local\Temp\ded765bc5ba4afdd70cdca87b06e031f.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1728 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:2560
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C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s3⤵
- Executes dropped EXE
PID:2652
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.9MB
MD578aa3b8ca0223ba7f88e808cb33bd5d2
SHA124ee4a975209379dc224dc33d18639462018d4bd
SHA256288b33af04aeb87ce176c1f8965e94a507865265b92c5891f075d550efbc522b
SHA5126b2a0294c7616e23c87c27142f2731b588dc6d292a85dc025e02d79c44d4b09fb582156668c20c1e65bf8fe99f7d946f1144e3284a9a1f488342e665b133e9d9
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Filesize
2.1MB
MD5a689446e3c009a816949c13a4369ef96
SHA19da43499c84cb0e5fb3fdc2d9c5862dbc7c30071
SHA2568c605cb6c45bc30ca483ad375e31dafe212c9543a8f3ce27e4c93d0961758345
SHA512d4fce27bdcf05afec2e572639e87b86226e457f4aebe11886ae44df111087a75eae5a986aca964bef2070c2b4eda146ab1f8b7ad3c0883b54fe226f4dfc9935c
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
677KB
MD592f7775908bb12183914bb0753782913
SHA18d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA5127e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39