Analysis
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max time kernel
146s -
max time network
153s -
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, 02:21
Static task
static1
Behavioral task
behavioral1
Sample
c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.exe
Resource
win10v2004-20240226-en
General
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Target
c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.exe
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Size
2.0MB
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MD5
fe4c1aa2eebc57c4d40a044e96f5d487
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SHA1
aa76ba4df9b79489d59d547e58720d015d6d2c98
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SHA256
c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2
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SHA512
c53cb703a60672c742d5a9b1d7c878d6780f6b76998204138c93286efd787b052a0b1c261fb2ebcbe7f73ecc2488f3a22a478e1d8660facd3ddd989808f06caa
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SSDEEP
49152:32AgRwW0LztkRUZpA6DTWt8C7G1lW2sKwTIAM:mUEUZ++2a1EfXM
Malware Config
Extracted
socks5systemz
http://erqucez.ua/search/?q=67e28dd86f5af1211209a81b7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa48e8889b5e4fa9281ae978f071ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ffe12c3ec969d3f
Signatures
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Detect Socks5Systemz Payload 3 IoCs
resource yara_rule behavioral2/memory/2964-67-0x0000000000910000-0x00000000009B2000-memory.dmp family_socks5systemz behavioral2/memory/2964-68-0x0000000000910000-0x00000000009B2000-memory.dmp family_socks5systemz behavioral2/memory/2964-78-0x0000000000910000-0x00000000009B2000-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/972-39-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/972-43-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/972-42-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2964-46-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2964-49-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2964-53-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2964-54-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2964-57-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2964-60-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2964-63-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2964-66-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2964-74-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2964-77-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2964-81-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2964-84-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2964-87-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2964-90-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2964-94-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect behavioral2/memory/2964-97-0x0000000000400000-0x0000000000611000-memory.dmp INDICATOR_EXE_Packed_VMProtect -
Executes dropped EXE 3 IoCs
pid Process 1064 c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.tmp 972 colorpicker32.exe 2964 colorpicker32.exe -
Loads dropped DLL 1 IoCs
pid Process 1064 c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.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 152.89.198.214 -
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 1376 wrote to memory of 1064 1376 c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.exe 89 PID 1376 wrote to memory of 1064 1376 c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.exe 89 PID 1376 wrote to memory of 1064 1376 c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.exe 89 PID 1064 wrote to memory of 972 1064 c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.tmp 92 PID 1064 wrote to memory of 972 1064 c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.tmp 92 PID 1064 wrote to memory of 972 1064 c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.tmp 92 PID 1064 wrote to memory of 2964 1064 c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.tmp 93 PID 1064 wrote to memory of 2964 1064 c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.tmp 93 PID 1064 wrote to memory of 2964 1064 c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.tmp 93
Processes
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C:\Users\Admin\AppData\Local\Temp\c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.exe"C:\Users\Admin\AppData\Local\Temp\c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1376 -
C:\Users\Admin\AppData\Local\Temp\is-200UM.tmp\c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.tmp"C:\Users\Admin\AppData\Local\Temp\is-200UM.tmp\c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.tmp" /SL5="$801CA,1762897,54272,C:\Users\Admin\AppData\Local\Temp\c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1064 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker32.exe" -i3⤵
- Executes dropped EXE
PID:972
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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:2964
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.3MB
MD598e068783ce97cab80bd4a4d2d64c7a6
SHA1d20fe9b663f7da57963fd4c6d8cccd2c8d13215a
SHA256aa65df8f318f37dbbe11fa4ba731ea61c43c069b5fcb89a7495c1172ee54d1b7
SHA512ab385511124a42337db87108e5bf4b533017dd9a0381dd0b08ec70cb819a5a131bc15e02e98a4d0702bb3d022911534b9f8ceebbfd9c3eafe962758f07481f8e
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Filesize
1.3MB
MD50d5126ad2627462b9fe82dde8bd6f7cd
SHA1f71d9754c9fec46180b16ef25ba4b51be64c60bb
SHA256f62468d9c1c6cccf9946b29ea178c1ae26257fb34c5411a1cc73f84bb36293bf
SHA51203a2e6a0a3a6db9066c48b928285eac21faaf98ea91c4f5b66b1124bee4e6a4e2bb97371d1b098dc577199db5b82e32b15f4bea39a56e210bf04163cd521230c
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Filesize
665KB
MD50d432f459309df7cfb9eb20638067123
SHA1abfe747275ba67af9a138aeb8ef3774990893f7c
SHA2568a19ee966c58587bb2f5835af9ebe2596e97087684848ef71c0b586713dc1292
SHA5123e148eed8ae47ee6af8b1ae004efbc319aa137a866dade9b104a481dbc0fe45eeb189613401067793fae20350d13e2fb14ed512fd4558e6578179518302498f9
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C:\Users\Admin\AppData\Local\Temp\is-200UM.tmp\c5a44d49487fc4ef176fab38c0761607e5f1005588079b1ccca24f5b11bcbde2.tmp
Filesize677KB
MD5bb16a1aed23a42be299fa83942dc45cc
SHA1eef3b71f03f3ea6148a08bf4ba6d3bc2239a56ba
SHA2562fbf5d1a94ff7aa773d0abe9e2216f0347f47083bf66632e516b9e59ede819df
SHA512bd1c5cf999c8824946906a6242309b41e6bcc926733107e87787ecb70c4e4d78ae395fcc9033606a72f08fee98103957063b3a47cd74e9e395d77c75287fd0b4
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63