Analysis
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max time kernel
149s -
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, 02:11
Static task
static1
Behavioral task
behavioral1
Sample
5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.exe
Resource
win10v2004-20240226-en
General
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Target
5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.exe
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Size
2.0MB
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MD5
336e9bf05f1fe2d98473bbb424363322
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SHA1
7f1cbeb05e4860646c2600813bda69b468dc73ae
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SHA256
5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb
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SHA512
02bd5d0a54d5bea0f2c7d05b4fa68741bf098ad52485378232b49301f01f0da838bccbb152e4d61b79966041c6ae1880e364cda13d2592d1153476d41ec8e9b5
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SSDEEP
49152:32115Bqx2wgevTb1FR0FdsEoZlDgrZcwiIx3WYdfSRM:m11qxPRwGl0rZc4SRM
Malware Config
Extracted
socks5systemz
http://cevspxs.net/search/?q=67e28dd86c09f220490efa1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4ae8889b5e4fa9281ae978fe71ea771795af8e05c642db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3ed929f3c
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/4940-65-0x0000000000950000-0x00000000009F2000-memory.dmp family_socks5systemz behavioral2/memory/4940-69-0x0000000000950000-0x00000000009F2000-memory.dmp family_socks5systemz behavioral2/memory/4940-78-0x0000000000950000-0x00000000009F2000-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/4192-39-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4192-40-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4192-43-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4940-46-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4940-49-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4940-53-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4940-54-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4940-57-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4940-60-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4940-63-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4940-68-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4940-74-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4940-77-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4940-81-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4940-84-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4940-87-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4940-90-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4940-94-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/4940-97-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect -
Executes dropped EXE 3 IoCs
pid Process 2316 5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.tmp 4192 colorpicker32.exe 4940 colorpicker32.exe -
Loads dropped DLL 1 IoCs
pid Process 2316 5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.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 91.211.247.248 -
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 2256 wrote to memory of 2316 2256 5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.exe 90 PID 2256 wrote to memory of 2316 2256 5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.exe 90 PID 2256 wrote to memory of 2316 2256 5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.exe 90 PID 2316 wrote to memory of 4192 2316 5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.tmp 93 PID 2316 wrote to memory of 4192 2316 5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.tmp 93 PID 2316 wrote to memory of 4192 2316 5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.tmp 93 PID 2316 wrote to memory of 4940 2316 5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.tmp 94 PID 2316 wrote to memory of 4940 2316 5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.tmp 94 PID 2316 wrote to memory of 4940 2316 5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.tmp 94
Processes
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C:\Users\Admin\AppData\Local\Temp\5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.exe"C:\Users\Admin\AppData\Local\Temp\5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2256 -
C:\Users\Admin\AppData\Local\Temp\is-5OH06.tmp\5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.tmp"C:\Users\Admin\AppData\Local\Temp\is-5OH06.tmp\5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.tmp" /SL5="$50062,1745403,54272,C:\Users\Admin\AppData\Local\Temp\5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2316 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -i3⤵
- Executes dropped EXE
PID:4192
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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:4940
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2.1MB
MD5c6ddf75954ee1290e3ee16bbd5637809
SHA17148081c9479d6b6733499820128f3da3fd3f307
SHA2569e69f3a6e9941dcaae7672f3b9c2acfead8daff782d325e3a01bb897bcc763ca
SHA512f797e650490bfb666d40e197a55aedc9ab442d1576f8fbd19af0a3fa0ba67fb31c3c4185671aa4d30df944a8d1619a5c3e6de46a0a5d14e9d37569c206ca5149
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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C:\Users\Admin\AppData\Local\Temp\is-5OH06.tmp\5e00b8843a33d3dd8cc77eaaa1b4a8350182d639a8ce83575946b3786b356dfb.tmp
Filesize677KB
MD5bb16a1aed23a42be299fa83942dc45cc
SHA1eef3b71f03f3ea6148a08bf4ba6d3bc2239a56ba
SHA2562fbf5d1a94ff7aa773d0abe9e2216f0347f47083bf66632e516b9e59ede819df
SHA512bd1c5cf999c8824946906a6242309b41e6bcc926733107e87787ecb70c4e4d78ae395fcc9033606a72f08fee98103957063b3a47cd74e9e395d77c75287fd0b4