Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
31-12-2024 02:41
Static task
static1
Behavioral task
behavioral1
Sample
4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe
Resource
win7-20240708-en
General
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Target
4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe
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Size
130KB
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MD5
57565e03a1748b72d5bdbd8e7b5c1750
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SHA1
181c7298a578bcc2e369a5f12b0c589785a011f6
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SHA256
4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4
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SHA512
dda589b24ecc30184e8d50ad6cefcc002f246876e6758237e36e27a4baf361833bf452e9ae1bc4050ee28b0493a6830295f44baf80441a77109f238fdae93d8d
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SSDEEP
3072:tIFYwOe6LOUp52lQBV+UdE+rECWp7hKH9o:toYwOe27BV+UdvrEFp7hKG
Malware Config
Signatures
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Floxif family
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral1/files/0x000a00000001225e-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/0x000a00000001225e-2.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 2740 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\WirelessConfig = "c:\\users\\admin\\appdata\\roaming\\svchost10.exe" 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\E: 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe File opened (read-only) \??\Q: 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe File opened (read-only) \??\e: 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe File opened (read-only) \??\P: 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe File opened (read-only) \??\R: 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe File opened (read-only) \??\I: 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe File opened (read-only) \??\J: 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe File opened (read-only) \??\N: 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe File opened (read-only) \??\V: 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe File opened (read-only) \??\H: 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe File opened (read-only) \??\K: 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe File opened (read-only) \??\L: 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe File opened (read-only) \??\S: 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe File opened (read-only) \??\T: 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe File opened (read-only) \??\U: 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe File opened (read-only) \??\W: 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe File opened (read-only) \??\X: 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe File opened (read-only) \??\G: 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe File opened (read-only) \??\M: 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe File opened (read-only) \??\O: 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe File opened (read-only) \??\Y: 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe File opened (read-only) \??\Z: 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe -
resource yara_rule behavioral1/memory/2740-4-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/files/0x000a00000001225e-2.dat upx behavioral1/memory/2740-32-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2740-31-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2740-36-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2740-40-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2740-44-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2740-48-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2740-52-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe File created \??\c:\program files\common files\system\symsrv.dll.000 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.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 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2740 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe 2740 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe 2740 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2740 4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe"C:\Users\Admin\AppData\Local\Temp\4de137f11933dc0ecc4f5bb2da65fad34b734787d7fdffd7eafd56fe637ab9d4N.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2740
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1AppInit DLLs
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1AppInit DLLs
1Defense Evasion
Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
175B
MD51130c911bf5db4b8f7cf9b6f4b457623
SHA148e734c4bc1a8b5399bff4954e54b268bde9d54c
SHA256eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1
SHA51294e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab