Analysis
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max time kernel
140s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
29/07/2024, 04:48
Static task
static1
Behavioral task
behavioral1
Sample
d2eb8ea67d1ad99fcebabf114f8ca2c44cde62503a0c52d1ced3acd97794e138.dll
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
d2eb8ea67d1ad99fcebabf114f8ca2c44cde62503a0c52d1ced3acd97794e138.dll
Resource
win10v2004-20240709-en
General
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Target
d2eb8ea67d1ad99fcebabf114f8ca2c44cde62503a0c52d1ced3acd97794e138.dll
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Size
1.3MB
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MD5
1b8c6f7b950ac079e56a2ae709ffa349
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SHA1
a64ff34f1528e5164f54c329548c7bc3e7059d96
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SHA256
d2eb8ea67d1ad99fcebabf114f8ca2c44cde62503a0c52d1ced3acd97794e138
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SHA512
3489f2dda58b62104f091cdc6ae4a202690929859bc9c7a1eb7a950b9ca680de46cbe5a49578a086b5cc500571c0207897d7a10061eb175bef2598dd98e9bc42
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SSDEEP
24576:MoshrGbk0PpCcnCKZrhzuSWTAEn/RgaT2NX8nYRZR21omrEH7X:L1bwKrjWTADaOKYRZQG
Malware Config
Signatures
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral1/files/0x00080000000120ff-1.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/0x00080000000120ff-1.dat acprotect -
Loads dropped DLL 2 IoCs
pid Process 468 rundll32.exe 2464 WerFault.exe -
resource yara_rule behavioral1/files/0x00080000000120ff-1.dat upx behavioral1/memory/468-3-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/468-7-0x0000000010000000-0x0000000010030000-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 -
Program crash 1 IoCs
pid pid_target Process procid_target 2464 468 WerFault.exe 31 -
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 468 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1664 wrote to memory of 468 1664 rundll32.exe 31 PID 1664 wrote to memory of 468 1664 rundll32.exe 31 PID 1664 wrote to memory of 468 1664 rundll32.exe 31 PID 1664 wrote to memory of 468 1664 rundll32.exe 31 PID 1664 wrote to memory of 468 1664 rundll32.exe 31 PID 1664 wrote to memory of 468 1664 rundll32.exe 31 PID 1664 wrote to memory of 468 1664 rundll32.exe 31 PID 468 wrote to memory of 2464 468 rundll32.exe 32 PID 468 wrote to memory of 2464 468 rundll32.exe 32 PID 468 wrote to memory of 2464 468 rundll32.exe 32 PID 468 wrote to memory of 2464 468 rundll32.exe 32
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d2eb8ea67d1ad99fcebabf114f8ca2c44cde62503a0c52d1ced3acd97794e138.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1664 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d2eb8ea67d1ad99fcebabf114f8ca2c44cde62503a0c52d1ced3acd97794e138.dll,#12⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:468 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 468 -s 2963⤵
- Loads dropped DLL
- Program crash
PID:2464
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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