Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
15-08-2024 19:13
Static task
static1
Behavioral task
behavioral1
Sample
dac5e2710f0d5bca2e7e5b25d2a03ba0N.dll
Resource
win7-20240704-en
General
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Target
dac5e2710f0d5bca2e7e5b25d2a03ba0N.dll
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Size
955KB
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MD5
dac5e2710f0d5bca2e7e5b25d2a03ba0
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SHA1
97b600e5737f4308f1a91ebaed7c475785fc551a
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SHA256
6e9594960e80d1ec51eb7d8096cf1108265e57d9bb1f272ef0e4f6436ea4a59a
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SHA512
67e805799f0d104a89b4130817e3a83131b24eeb4a8e122a4e3d85ff06421c87312ba0afa5cddac069696466a05595b5e05a97127dc1e0dcdef3ad61abd8f1a6
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SSDEEP
24576:wr37G4TrusL4rCvwHIo2WEyMz7yYK6ZSmd9saBjAnVFpMrEH7c:w2xrCvPxzvbsiUFY
Malware Config
Signatures
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral1/files/0x000700000001211b-1.dat floxif -
Blocklisted process makes network request 1 IoCs
flow pid Process 6 2068 rundll32.exe -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x000700000001211b-1.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 2068 rundll32.exe -
resource yara_rule behavioral1/files/0x000700000001211b-1.dat upx behavioral1/memory/2068-3-0x00000000002B0000-0x00000000002E0000-memory.dmp upx behavioral1/memory/2068-8-0x00000000002B0000-0x00000000002E0000-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.
description ioc Process File opened (read-only) \??\e: rundll32.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll rundll32.exe File created \??\c:\program files\common files\system\symsrv.dll.000 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 behavior: EnumeratesProcesses 1 IoCs
pid Process 2068 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2068 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2388 wrote to memory of 2068 2388 rundll32.exe 30 PID 2388 wrote to memory of 2068 2388 rundll32.exe 30 PID 2388 wrote to memory of 2068 2388 rundll32.exe 30 PID 2388 wrote to memory of 2068 2388 rundll32.exe 30 PID 2388 wrote to memory of 2068 2388 rundll32.exe 30 PID 2388 wrote to memory of 2068 2388 rundll32.exe 30 PID 2388 wrote to memory of 2068 2388 rundll32.exe 30
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\dac5e2710f0d5bca2e7e5b25d2a03ba0N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2388 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\dac5e2710f0d5bca2e7e5b25d2a03ba0N.dll,#12⤵
- Blocklisted process makes network request
- 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:2068
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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