Analysis
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max time kernel
101s -
max time network
105s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
16-08-2024 01:48
Static task
static1
Behavioral task
behavioral1
Sample
178c2e93d00490bab87add64fc170000N.dll
Resource
win7-20240729-en
General
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Target
178c2e93d00490bab87add64fc170000N.dll
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Size
351KB
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MD5
178c2e93d00490bab87add64fc170000
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SHA1
fe74aa5ef044f1814ffae78020a7c6e275f210e6
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SHA256
4ab6ad9355fe26e7cec685cc781466cd87171036162f07728d577782359c5551
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SHA512
7d5081f0f37329fff88956bf4b77512c52149c3d34d113a7228bde6a026814c266426b07d9d89a86adc2cea81984aad764ebac5fe4e10b5dd7120c04514b7310
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SSDEEP
6144:dr5DKX4B6GWIU3XYOGsBvpBV+UdvrEFp7hKcI:drRKg6GWdnpBjvrEH7I
Malware Config
Signatures
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x000900000002349c-1.dat floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x000900000002349c-1.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 3116 rundll32.exe -
resource yara_rule behavioral2/files/0x000900000002349c-1.dat upx behavioral2/memory/3116-4-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3116-5-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll rundll32.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 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3116 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 224 wrote to memory of 3116 224 rundll32.exe 84 PID 224 wrote to memory of 3116 224 rundll32.exe 84 PID 224 wrote to memory of 3116 224 rundll32.exe 84
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\178c2e93d00490bab87add64fc170000N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:224 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\178c2e93d00490bab87add64fc170000N.dll,#12⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3116
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab