Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
25/03/2024, 00:36
Static task
static1
Behavioral task
behavioral1
Sample
cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.exe
Resource
win10v2004-20240226-en
General
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Target
cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.exe
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Size
2.1MB
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MD5
406974e05e94b8586cff2ecf2e00d2de
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SHA1
1a57282797d06ee6091af015d5095506dd83a363
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SHA256
cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f
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SHA512
dce958396571fc00bfccd3f073b9f013e1017434ecc3d9f3b2bc55be1d30879ece524927b2a5110639daac95aadef83e04839dbca118aff6736e3cc0d7a23d82
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SSDEEP
49152:32cJU0UwraR8jxQo8fh4Sc8jSwVrok7EKfQmgkoaM:maUwrZWNfh28jVrtEKIrIM
Malware Config
Extracted
socks5systemz
http://ejbvfxb.ua/search/?q=67e28dd86c0ea7794406f94d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f671ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c2e895923a
http://ejbvfxb.ua/search/?q=67e28dd86c0ea7794406f94d7c27d78406abdd88be4b12eab517aa5c96bd86e490874896148ab2865b77f80ebad9cc0f7cb63037ed2ab423a4334383ba915d911ec07bb106a0708727e40ea678c45abbe74ffb0e2807e12571c17f3e83fe16c1ee96983ccd6797
Signatures
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Detect Socks5Systemz Payload 5 IoCs
resource yara_rule behavioral2/memory/2588-65-0x00000000008A0000-0x0000000000942000-memory.dmp family_socks5systemz behavioral2/memory/2588-69-0x00000000008A0000-0x0000000000942000-memory.dmp family_socks5systemz behavioral2/memory/2588-78-0x00000000008A0000-0x0000000000942000-memory.dmp family_socks5systemz behavioral2/memory/2588-91-0x00000000008A0000-0x0000000000942000-memory.dmp family_socks5systemz behavioral2/memory/2588-92-0x00000000008A0000-0x0000000000942000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Detects executables packed with VMProtect. 19 IoCs
resource yara_rule behavioral2/memory/3916-43-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3916-42-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/3916-39-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2588-46-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2588-49-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2588-52-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2588-54-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2588-57-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2588-60-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2588-63-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2588-68-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2588-74-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2588-77-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2588-81-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2588-84-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2588-87-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2588-90-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2588-96-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2588-99-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect -
Executes dropped EXE 3 IoCs
pid Process 4856 cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.tmp 3916 colorpicker32.exe 2588 colorpicker32.exe -
Loads dropped DLL 1 IoCs
pid Process 4856 cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.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 4852 wrote to memory of 4856 4852 cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.exe 89 PID 4852 wrote to memory of 4856 4852 cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.exe 89 PID 4852 wrote to memory of 4856 4852 cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.exe 89 PID 4856 wrote to memory of 3916 4856 cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.tmp 93 PID 4856 wrote to memory of 3916 4856 cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.tmp 93 PID 4856 wrote to memory of 3916 4856 cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.tmp 93 PID 4856 wrote to memory of 2588 4856 cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.tmp 94 PID 4856 wrote to memory of 2588 4856 cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.tmp 94 PID 4856 wrote to memory of 2588 4856 cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.tmp 94
Processes
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C:\Users\Admin\AppData\Local\Temp\cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.exe"C:\Users\Admin\AppData\Local\Temp\cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4852 -
C:\Users\Admin\AppData\Local\Temp\is-6V5S3.tmp\cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.tmp"C:\Users\Admin\AppData\Local\Temp\is-6V5S3.tmp\cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.tmp" /SL5="$7011A,1806141,54272,C:\Users\Admin\AppData\Local\Temp\cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4856 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -i3⤵
- Executes dropped EXE
PID:3916
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C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -s3⤵
- Executes dropped EXE
PID:2588
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.7MB
MD531d54362a15685407dc9865b951798e8
SHA16accb01867a29675f47501f39a1e018ef778ce32
SHA25697d2e0d65e270dfc407988f936bfbec0633f52b39330c2ee49aa39476c1079ff
SHA5123f07429052f665ed8208450376eda27c6ba1523838a6c6837af2a9b260feb79492857333d231a7632291a625e378f08fa8fde2534c1b6568e6b5bc22454511b2
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Filesize
896KB
MD52ebdcdff01a694c3eafaf97bcda4a617
SHA112d0902354339a506cdad568b7b1966f9d238286
SHA2565c6d81f1580224eaf87d545cd1a48069a7465f0e922d989f7db9cdd1bfa03cd5
SHA512f1254f6d5c1c99457f1ada631bd5612edab9d7db6456854fa7d82ba38adb4018068c8b00c584720d7db7fce4328995f79663304d186c3c4aea4771323bab5076
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Filesize
806KB
MD5a3b0fbb6216a1e25233da54a9e7b9601
SHA117b1cadedaa84a564d19c7a3888773790dadf2d7
SHA256bba80b0ffc2d4c7a25169dcba1d9ec221c07b17c95b8ac162763d1e246b1959c
SHA512f53f881a7f0598afe7094226201543046b0a478f2bc10ce2bd8c71330e0095b12371fdb76057ef8152c4402b73f244559b93e0cb25ff61f2c4d1e5792bfdd756
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C:\Users\Admin\AppData\Local\Temp\is-6V5S3.tmp\cb8f045facd1167c5f65844bfc78f3facf57ed4c82cb9aaea9342d2666feba2f.tmp
Filesize677KB
MD5bb16a1aed23a42be299fa83942dc45cc
SHA1eef3b71f03f3ea6148a08bf4ba6d3bc2239a56ba
SHA2562fbf5d1a94ff7aa773d0abe9e2216f0347f47083bf66632e516b9e59ede819df
SHA512bd1c5cf999c8824946906a6242309b41e6bcc926733107e87787ecb70c4e4d78ae395fcc9033606a72f08fee98103957063b3a47cd74e9e395d77c75287fd0b4
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63