Analysis
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max time kernel
145s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240319-en -
resource tags
arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system -
submitted
24/03/2024, 23:34
Static task
static1
Behavioral task
behavioral1
Sample
af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.exe
Resource
win10v2004-20240319-en
General
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Target
af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.exe
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Size
2.0MB
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MD5
81a85f3125aefa6f06649cbf53136988
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SHA1
ee72a132008d3d1394bb8c00c534014748edf94a
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SHA256
af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636
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SHA512
e35e322759210c09797a2f0079c2e35c498a278d3a9eaf4e5dcccd8c834828e0d0fb1b2cc3630b76b4b373f3b3e5be252fe0fba65254fd2b9e68f73cb8ae4bf4
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SSDEEP
49152:32JBpBDCRjWetUW7NUN3/qLr2CQzB2qaQoe7D:mzpBD2aetUcUN3/ACzpKc
Malware Config
Extracted
socks5systemz
http://bfxpqeh.com/search/?q=67e28dd86a08a32d155da44d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f471ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c2ec96983c
http://bfxpqeh.com/search/?q=67e28dd86a08a32d155da44d7c27d78406abdd88be4b12eab517aa5c96bd86e8968645835a8bbc896c58e713bc90c91c36b5281fc235a925ed3e57d6bd974a95129070b611e96cc92be510b866db52b2e34aec4c2b14a82966836f23d7f210c7ee949939ce6c9411
Signatures
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Detect Socks5Systemz Payload 4 IoCs
resource yara_rule behavioral2/memory/4724-67-0x00000000008F0000-0x0000000000992000-memory.dmp family_socks5systemz behavioral2/memory/4724-77-0x00000000008F0000-0x0000000000992000-memory.dmp family_socks5systemz behavioral2/memory/4724-90-0x00000000008F0000-0x0000000000992000-memory.dmp family_socks5systemz behavioral2/memory/4724-91-0x00000000008F0000-0x0000000000992000-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/868-38-0x0000000000400000-0x000000000060A000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/868-41-0x0000000000400000-0x000000000060A000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/868-42-0x0000000000400000-0x000000000060A000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-46-0x0000000000400000-0x000000000060A000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-49-0x0000000000400000-0x000000000060A000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-53-0x0000000000400000-0x000000000060A000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-54-0x0000000000400000-0x000000000060A000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-57-0x0000000000400000-0x000000000060A000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-60-0x0000000000400000-0x000000000060A000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-63-0x0000000000400000-0x000000000060A000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-66-0x0000000000400000-0x000000000060A000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-73-0x0000000000400000-0x000000000060A000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-76-0x0000000000400000-0x000000000060A000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-80-0x0000000000400000-0x000000000060A000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-83-0x0000000000400000-0x000000000060A000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-86-0x0000000000400000-0x000000000060A000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-89-0x0000000000400000-0x000000000060A000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-95-0x0000000000400000-0x000000000060A000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4724-98-0x0000000000400000-0x000000000060A000-memory.dmp INDICATOR_EXE_Packed_VMProtect -
Executes dropped EXE 3 IoCs
pid Process 4468 af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.tmp 868 colorpicker.exe 4724 colorpicker.exe -
Loads dropped DLL 1 IoCs
pid Process 4468 af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.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 45.155.250.90 -
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 3536 wrote to memory of 4468 3536 af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.exe 94 PID 3536 wrote to memory of 4468 3536 af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.exe 94 PID 3536 wrote to memory of 4468 3536 af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.exe 94 PID 4468 wrote to memory of 868 4468 af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.tmp 97 PID 4468 wrote to memory of 868 4468 af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.tmp 97 PID 4468 wrote to memory of 868 4468 af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.tmp 97 PID 4468 wrote to memory of 4724 4468 af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.tmp 98 PID 4468 wrote to memory of 4724 4468 af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.tmp 98 PID 4468 wrote to memory of 4724 4468 af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.tmp 98
Processes
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C:\Users\Admin\AppData\Local\Temp\af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.exe"C:\Users\Admin\AppData\Local\Temp\af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3536 -
C:\Users\Admin\AppData\Local\Temp\is-V6EOA.tmp\af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.tmp"C:\Users\Admin\AppData\Local\Temp\is-V6EOA.tmp\af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.tmp" /SL5="$C005C,1784413,54272,C:\Users\Admin\AppData\Local\Temp\af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4468 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:868
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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:4724
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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=3996 --field-trial-handle=2228,i,17475224967547320003,13667387715861799238,262144 --variations-seed-version /prefetch:81⤵PID:2076
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.0MB
MD5e0be643656cf2b26337e1c880860a0ff
SHA14b142324fce15d65ac607d14b3cc736ad06ec4db
SHA25685f81ec4027dfa1ecadc0cd91ba941563a034abd95f198bae8ed4c1921546483
SHA512e7bf1495f8aae0fcbe4c84c79e852687fc7206d296f4bc1c69a64e94f3db1495ece04a8a39fb0d9db193c1accce42e340f7db427b73dcb06ec76ce57877b3ab1
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Filesize
1.1MB
MD5830a18ea6a283a40876b69064ea13603
SHA186f84fc9ddf5208336fe98ded7fdda2a97a089e4
SHA2568b6ad42e6826b48e3a90b46f52b8b22394c3caa0c059e75b077b816036ed049e
SHA5122df8eb11bac62aa7cbe5238de82f5529bb90fb2fa20aa6509d876a88a779573e902a48780c5cf4eaf731a6b823bcc203c3e601cd46c180f38faf81c146989d43
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-V6EOA.tmp\af460f770a41c228adf3b601c6577d2f9a94b3b2bb0363257713400f9f9e9636.tmp
Filesize677KB
MD592f7775908bb12183914bb0753782913
SHA18d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA5127e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39