Analysis
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max time kernel
118s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
30-10-2024 21:27
Static task
static1
Behavioral task
behavioral1
Sample
2f0263891c78ea17749938205abd6ba3c3cbc915e435a1e8f19fb7e2569be728.dll
Resource
win7-20240903-en
General
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Target
2f0263891c78ea17749938205abd6ba3c3cbc915e435a1e8f19fb7e2569be728.dll
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Size
213KB
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MD5
4999ee80421da39d5bf6ac7ffcba0d2d
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SHA1
cc262b3dd20f844fc611a72b3c35f571600df227
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SHA256
2f0263891c78ea17749938205abd6ba3c3cbc915e435a1e8f19fb7e2569be728
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SHA512
5742bab952c2942ac2d271671d63c6d665e7aa02ceefc4f81c2d62507b47c982880345510162a50c8bd336f89c141baa8941b937a033722607803bb2c777cdf1
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SSDEEP
6144:/z9qhjjOKJ8S0b91tr7BV+UdvrEFp7hKjcm:/xqhjjd5g93BjvrEH7Qcm
Malware Config
Signatures
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Floxif family
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Detects Floxif payload 1 IoCs
Processes:
resource yara_rule \Program Files\Common Files\System\symsrv.dll floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule \Program Files\Common Files\System\symsrv.dll acprotect -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 276 rundll32.exe -
Processes:
resource yara_rule \Program Files\Common Files\System\symsrv.dll upx behavioral1/memory/276-3-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/276-6-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
Processes:
rundll32.exedescription 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.
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
rundll32.exedescription pid process target process PID 2484 wrote to memory of 276 2484 rundll32.exe rundll32.exe PID 2484 wrote to memory of 276 2484 rundll32.exe rundll32.exe PID 2484 wrote to memory of 276 2484 rundll32.exe rundll32.exe PID 2484 wrote to memory of 276 2484 rundll32.exe rundll32.exe PID 2484 wrote to memory of 276 2484 rundll32.exe rundll32.exe PID 2484 wrote to memory of 276 2484 rundll32.exe rundll32.exe PID 2484 wrote to memory of 276 2484 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2f0263891c78ea17749938205abd6ba3c3cbc915e435a1e8f19fb7e2569be728.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2484 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2f0263891c78ea17749938205abd6ba3c3cbc915e435a1e8f19fb7e2569be728.dll,#12⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:276
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab