Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
02-02-2025 11:55
Behavioral task
behavioral1
Sample
b73509d8bbaae9febf879d20fbdb855f2f70e7a756cf1615ffdf0be358cd5d2eN.exe
Resource
win7-20240903-en
General
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Target
b73509d8bbaae9febf879d20fbdb855f2f70e7a756cf1615ffdf0be358cd5d2eN.exe
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Size
240KB
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MD5
966ceeeb26a8274d729f3240672bc170
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SHA1
30128ca5f3459d8cbd5fa8978e4d7da69aad9fd3
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SHA256
b73509d8bbaae9febf879d20fbdb855f2f70e7a756cf1615ffdf0be358cd5d2e
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SHA512
dd043803db3dd024eb6a8e2a596f366745b816a0b0d02cb1fce1b7e4648ca5ba0974a7a5edd2b0edf01724cc95a5479b39369749f163d2ff0917aa16573d6a8b
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SSDEEP
6144:MWjFeXXEPOIHcgGEchBWwCfBV+UdvrEFp7hKX5C:3YEG3m7fBjvrEH77
Malware Config
Signatures
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Floxif family
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral1/files/0x000c000000012263-2.dat floxif -
Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x000c000000012263-2.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 1992 b73509d8bbaae9febf879d20fbdb855f2f70e7a756cf1615ffdf0be358cd5d2eN.exe -
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\e: b73509d8bbaae9febf879d20fbdb855f2f70e7a756cf1615ffdf0be358cd5d2eN.exe -
resource yara_rule behavioral1/memory/1992-0-0x0000000000400000-0x000000000046E000-memory.dmp upx behavioral1/files/0x000c000000012263-2.dat upx behavioral1/memory/1992-4-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/1992-11-0x0000000000400000-0x000000000046E000-memory.dmp upx behavioral1/memory/1992-12-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/1992-17-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/1992-21-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/1992-27-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/1992-31-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/1992-35-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/1992-39-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll b73509d8bbaae9febf879d20fbdb855f2f70e7a756cf1615ffdf0be358cd5d2eN.exe File created \??\c:\program files\common files\system\symsrv.dll.000 b73509d8bbaae9febf879d20fbdb855f2f70e7a756cf1615ffdf0be358cd5d2eN.exe -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b73509d8bbaae9febf879d20fbdb855f2f70e7a756cf1615ffdf0be358cd5d2eN.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1992 b73509d8bbaae9febf879d20fbdb855f2f70e7a756cf1615ffdf0be358cd5d2eN.exe 1992 b73509d8bbaae9febf879d20fbdb855f2f70e7a756cf1615ffdf0be358cd5d2eN.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1992 b73509d8bbaae9febf879d20fbdb855f2f70e7a756cf1615ffdf0be358cd5d2eN.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b73509d8bbaae9febf879d20fbdb855f2f70e7a756cf1615ffdf0be358cd5d2eN.exe"C:\Users\Admin\AppData\Local\Temp\b73509d8bbaae9febf879d20fbdb855f2f70e7a756cf1615ffdf0be358cd5d2eN.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:1992
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
175B
MD51130c911bf5db4b8f7cf9b6f4b457623
SHA148e734c4bc1a8b5399bff4954e54b268bde9d54c
SHA256eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1
SHA51294e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab