Analysis
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max time kernel
143s -
max time network
129s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
25/03/2024, 01:15
Static task
static1
Behavioral task
behavioral1
Sample
a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.exe
Resource
win10v2004-20240226-en
General
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Target
a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.exe
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Size
2.0MB
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MD5
1815652bbc9863f1fbee1e2d177c5227
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SHA1
f86eca55fac4a8946071ffb058a5e53035c9d0b3
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SHA256
a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a
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SHA512
0c2cf56cadbfa70d1729065ac045f4c8d2bd48f70cb7eb7e9c0f80b4dec885cf811ec36891b5719e3ec78867f72613b646acd2ef6ebf44095561c6627e5a9a06
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SSDEEP
49152:326OR4kwI4U06inapc4sxtPOFwtwLMbb6hMOms36HM:mgen7paxt2FwSwbbAZCM
Malware Config
Extracted
socks5systemz
http://dtjhtso.info/search/?q=67e28dd86554fa2a495aa4197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a071ea771795af8e05c642db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668dfd18c3e69d
http://dtjhtso.info/search/?q=67e28dd86554fa2a495aa4197c27d78406abdd88be4b12eab517aa5c96bd86e9968549865a8bbc896c58e713bc90c91836b5281fc235a925ed3e03d6bd974a95129070b611e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c1ec979338c467
Signatures
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Detect Socks5Systemz Payload 5 IoCs
resource yara_rule behavioral1/memory/2380-74-0x00000000025F0000-0x0000000002692000-memory.dmp family_socks5systemz behavioral1/memory/2380-77-0x00000000025F0000-0x0000000002692000-memory.dmp family_socks5systemz behavioral1/memory/2380-86-0x00000000025F0000-0x0000000002692000-memory.dmp family_socks5systemz behavioral1/memory/2380-99-0x00000000025F0000-0x0000000002692000-memory.dmp family_socks5systemz behavioral1/memory/2380-100-0x00000000025F0000-0x0000000002692000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 3040 a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.tmp 2684 colorpicker32.exe 2380 colorpicker32.exe -
Loads dropped DLL 5 IoCs
pid Process 2644 a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.exe 3040 a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.tmp 3040 a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.tmp 3040 a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.tmp 3040 a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.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 15 IoCs
description pid Process procid_target PID 2644 wrote to memory of 3040 2644 a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.exe 28 PID 2644 wrote to memory of 3040 2644 a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.exe 28 PID 2644 wrote to memory of 3040 2644 a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.exe 28 PID 2644 wrote to memory of 3040 2644 a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.exe 28 PID 2644 wrote to memory of 3040 2644 a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.exe 28 PID 2644 wrote to memory of 3040 2644 a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.exe 28 PID 2644 wrote to memory of 3040 2644 a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.exe 28 PID 3040 wrote to memory of 2684 3040 a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.tmp 29 PID 3040 wrote to memory of 2684 3040 a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.tmp 29 PID 3040 wrote to memory of 2684 3040 a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.tmp 29 PID 3040 wrote to memory of 2684 3040 a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.tmp 29 PID 3040 wrote to memory of 2380 3040 a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.tmp 30 PID 3040 wrote to memory of 2380 3040 a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.tmp 30 PID 3040 wrote to memory of 2380 3040 a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.tmp 30 PID 3040 wrote to memory of 2380 3040 a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.tmp 30
Processes
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C:\Users\Admin\AppData\Local\Temp\a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.exe"C:\Users\Admin\AppData\Local\Temp\a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2644 -
C:\Users\Admin\AppData\Local\Temp\is-Q71CA.tmp\a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.tmp"C:\Users\Admin\AppData\Local\Temp\is-Q71CA.tmp\a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.tmp" /SL5="$4010A,1780134,54272,C:\Users\Admin\AppData\Local\Temp\a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3040 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -i3⤵
- Executes dropped EXE
PID:2684
-
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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:2380
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.2MB
MD59ead69486e7530e672139e432e31cda5
SHA146efa8161656e8d2ca438e124ce9af8be1b2f890
SHA25613d4c480e1c7c75fddfd0f16c9380acc81d12aba664506f5f96f63cac8f15fbd
SHA512f1e2d4fd6f553e7c140176717fbd4987b034ea1e34d4b6520a4f08f661460a20ec5ae0d33ce24e70185e6428a93d676fddb4144e1a73f8300356388c2d132429
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Filesize
2.0MB
MD5b60d0a7cea04fb71a6390e773a6bf4fe
SHA13ea965ab6eb2c45f67fb19230f484f4399d5f87c
SHA25615d252823210d0ab4adc8881242b3a367c46f2fcbe40a580581c20ab25ac886f
SHA512e9a5f989954d49269bdd0c45e4ff4f228edee84a3e35a1fa2e4fdb283c9ac41a028abe40bf55927b9b958e6f91d4fcbca997b8aa28341c3139b3e12504fd6313
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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\Users\Admin\AppData\Local\Temp\is-Q71CA.tmp\a8757a8ee40ba6cb4339d00a2e92c6783779fa6363ec433b28e10612fe8fc14a.tmp
Filesize677KB
MD5bb16a1aed23a42be299fa83942dc45cc
SHA1eef3b71f03f3ea6148a08bf4ba6d3bc2239a56ba
SHA2562fbf5d1a94ff7aa773d0abe9e2216f0347f47083bf66632e516b9e59ede819df
SHA512bd1c5cf999c8824946906a6242309b41e6bcc926733107e87787ecb70c4e4d78ae395fcc9033606a72f08fee98103957063b3a47cd74e9e395d77c75287fd0b4