Analysis
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max time kernel
117s -
max time network
116s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
09-09-2024 17:16
Static task
static1
Behavioral task
behavioral1
Sample
87e78de4bb103e9876e6caf8e77e21f0N.exe
Resource
win7-20240903-en
General
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Target
87e78de4bb103e9876e6caf8e77e21f0N.exe
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Size
313KB
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MD5
87e78de4bb103e9876e6caf8e77e21f0
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SHA1
9d4dc0883a41d54ad493d145a4ba095e85b06c62
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SHA256
80d29096da8b75487f2884aba881bb85aed905b9f5bafddb6fb067fe6547b4be
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SHA512
db6b135e827058b2631575aabf180bdf4f4bbf7a4b768ffe1533b12686db33f67ae94ba7bac4fb9d85a12f4414eabef8c9058eee35605309cb576f8e30fd2c38
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SSDEEP
6144:jb0lhY3hu4YLGMDQQJSUOP3J4Jcz42JsrhMSPHZobZR7j2GtBV+UdvrEFp7hKOS1:8nVSUcKY4lYZ5j2GtBjvrEH7NS1
Malware Config
Signatures
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Detects Floxif payload 1 IoCs
Processes:
resource yara_rule C:\Program Files\Common Files\System\symsrv.dll floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule C:\Program Files\Common Files\System\symsrv.dll acprotect -
Loads dropped DLL 3 IoCs
Processes:
87e78de4bb103e9876e6caf8e77e21f0N.exepid process 3592 87e78de4bb103e9876e6caf8e77e21f0N.exe 3592 87e78de4bb103e9876e6caf8e77e21f0N.exe 3592 87e78de4bb103e9876e6caf8e77e21f0N.exe -
Processes:
resource yara_rule C:\Program Files\Common Files\System\symsrv.dll upx behavioral2/memory/3592-5-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3592-100-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3592-101-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3592-106-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3592-111-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3592-117-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
87e78de4bb103e9876e6caf8e77e21f0N.exedescription ioc process File opened (read-only) \??\e: 87e78de4bb103e9876e6caf8e77e21f0N.exe -
Drops file in Program Files directory 2 IoCs
Processes:
87e78de4bb103e9876e6caf8e77e21f0N.exedescription ioc process File created C:\Program Files\Common Files\System\symsrv.dll 87e78de4bb103e9876e6caf8e77e21f0N.exe File created \??\c:\program files\common files\system\symsrv.dll.000 87e78de4bb103e9876e6caf8e77e21f0N.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
87e78de4bb103e9876e6caf8e77e21f0N.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 87e78de4bb103e9876e6caf8e77e21f0N.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
87e78de4bb103e9876e6caf8e77e21f0N.exepid process 3592 87e78de4bb103e9876e6caf8e77e21f0N.exe 3592 87e78de4bb103e9876e6caf8e77e21f0N.exe 3592 87e78de4bb103e9876e6caf8e77e21f0N.exe 3592 87e78de4bb103e9876e6caf8e77e21f0N.exe 3592 87e78de4bb103e9876e6caf8e77e21f0N.exe 3592 87e78de4bb103e9876e6caf8e77e21f0N.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
87e78de4bb103e9876e6caf8e77e21f0N.exedescription pid process Token: SeDebugPrivilege 3592 87e78de4bb103e9876e6caf8e77e21f0N.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\87e78de4bb103e9876e6caf8e77e21f0N.exe"C:\Users\Admin\AppData\Local\Temp\87e78de4bb103e9876e6caf8e77e21f0N.exe"1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3592
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
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Filesize
175B
MD51130c911bf5db4b8f7cf9b6f4b457623
SHA148e734c4bc1a8b5399bff4954e54b268bde9d54c
SHA256eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1
SHA51294e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0
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Filesize
12KB
MD508c82a46416a5e2b471d457968f53816
SHA13e3897c20b9e89b279b4764a633f67955bf8f09a
SHA256435baf3b7282c9110697a4916834ef9371dd29fae6b4cb8e19c19eb126562dc9
SHA51291e2055b91d04b2348a923cb298ac6ba3637de5038dc4f849c4d2f1665d17de9cd6eb6a97d42d0f894d65348c8fd8e79cd61b667ea5a78e8960347e8cc8db81d
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Filesize
678B
MD5f4f843a819e9cf8293b0c12f69778fb7
SHA1a96eab46d652672b5f469f4b90ff6c63cc088593
SHA256e98c1e393eeffd6a07779f9d75964f0d160bdd830d2717bd820e1dfca800384e
SHA512ad85eaccd8345bc43af325a2ea5ba548fcd56dca1f8680ae7578265a9071d5e2845fa8b40b6348d6d6661aebe09669b50f50b958d9ea9b748ddc8c1ad3b79f07