Analysis
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max time kernel
148s -
max time network
155s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
23/03/2024, 11:11
Static task
static1
Behavioral task
behavioral1
Sample
54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.exe
Resource
win11-20240221-en
General
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Target
54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.exe
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Size
2.1MB
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MD5
9e8ff48c9d1e5d038c8dfabf68eb03dd
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SHA1
fbd2bf503a35a325a43fe5570da654f9b080d553
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SHA256
54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4
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SHA512
11401d38d069fe211ec4e9e91c9153463d7db5a72196cb4c2f1339ae05fbf9a8be7af4f6284b839b844e11dd3c0debfeb510f160fe4572ea9bca0a85c7974b6a
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SSDEEP
49152:32m/7tt7CbxyTitGhOLx2GsE1y+f4A2xEhoOJae7D:mOvGbcTmFkEYFwac
Malware Config
Extracted
socks5systemz
http://dtaeeyz.info/search/?q=67e28dd83a0ba47b435ca84a7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa1ee8889b5e4fa9281ae978a071ea771795af8e05c642db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ffe10c9ed96923c
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/2964-68-0x0000000000920000-0x00000000009C2000-memory.dmp family_socks5systemz behavioral2/memory/2964-67-0x0000000000920000-0x00000000009C2000-memory.dmp family_socks5systemz behavioral2/memory/2964-78-0x0000000000920000-0x00000000009C2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 3240 54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp 1380 colorpicker.exe 2964 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 3240 54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.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 9 IoCs
description pid Process procid_target PID 4168 wrote to memory of 3240 4168 54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.exe 80 PID 4168 wrote to memory of 3240 4168 54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.exe 80 PID 4168 wrote to memory of 3240 4168 54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.exe 80 PID 3240 wrote to memory of 1380 3240 54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp 82 PID 3240 wrote to memory of 1380 3240 54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp 82 PID 3240 wrote to memory of 1380 3240 54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp 82 PID 3240 wrote to memory of 2964 3240 54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp 83 PID 3240 wrote to memory of 2964 3240 54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp 83 PID 3240 wrote to memory of 2964 3240 54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp 83
Processes
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C:\Users\Admin\AppData\Local\Temp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.exe"C:\Users\Admin\AppData\Local\Temp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4168 -
C:\Users\Admin\AppData\Local\Temp\is-FI9UE.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp"C:\Users\Admin\AppData\Local\Temp\is-FI9UE.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp" /SL5="$8006C,1794777,54272,C:\Users\Admin\AppData\Local\Temp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3240 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:1380
-
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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:2964
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.4MB
MD5019f1bfa872d5e52deb8e74a82dff209
SHA13cf1bf0e2530169ed975c48a1a475b44dfa5c923
SHA25681fe591f1680e69151f3b7b3fb08bbb1db424a71d9e1cec4b231c1eae7dc9ddb
SHA512818c95cf54d650978c0e2f23e7adca46ae9e29a05bb53bf0d81a7fd8e92962f6e651ad9847fd0cbdc918632c8384dea9a355dca8794504240bb4d4e2770dada7
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Filesize
512KB
MD5eb76a96037919c63d23d5964decafd96
SHA15c23a8447ba60b683b08830fe6100c1ed46a3066
SHA2561f1e827194efb4028bcff5d3a5e55ba7dc097e581ca25ea35714df33ff2b314f
SHA512897073a0e77d69c0ace9dffc1d7d11b6bf6b85f4049b82ba9709807825960982fddd238356f36927d5f2f29f91f9402e88c627e1d5e018927a7bbba2cc5dd81b
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Filesize
2.1MB
MD52b9cd72d2188e739c982dd6eeb7d734b
SHA1fcb9b736c8987c20cac62abb17726917fe0ed224
SHA256f9eee992963a615a1bbcddfd7bb18ee977d2c207602bdb19fcc76aa52f54bdbc
SHA51232296c818ddb1daf53837f387b73e03ee2dbd878031278dab979c172ab928d86f63f04190ceaea967ffb143ffde25d9a283c1f92d6d7bb354e936c39b779d341
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C:\Users\Admin\AppData\Local\Temp\is-FI9UE.tmp\54a7785ee23bf5aabf61e909cd849e0b1649dccb6edca691fba411e7f36774a4.tmp
Filesize677KB
MD592f7775908bb12183914bb0753782913
SHA18d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA5127e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63