Analysis
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max time kernel
15s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
05-02-2025 00:33
Static task
static1
Behavioral task
behavioral1
Sample
ce07efcb025b4db19acbc81e4adf866192c720ca38a60eb1ff2f4ad60056aec7N.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ce07efcb025b4db19acbc81e4adf866192c720ca38a60eb1ff2f4ad60056aec7N.dll
Resource
win10v2004-20250129-en
General
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Target
ce07efcb025b4db19acbc81e4adf866192c720ca38a60eb1ff2f4ad60056aec7N.dll
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Size
962KB
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MD5
52aa132b9e0a0f6f4667af56be100c30
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SHA1
ef919c67819647edb02c4cbca2751015b5e0eed4
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SHA256
ce07efcb025b4db19acbc81e4adf866192c720ca38a60eb1ff2f4ad60056aec7
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SHA512
517e94293d1bdc78d29fc8ba7e0a72217b56fc27079e6995da692760aab7fca75349fe8ee4eb886d14af399d9b2956c71731e0b65475383d84dfe98edcad5a5a
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SSDEEP
24576:bqNAogNi7/VxMAA4LVL8pJsv6tWKFdu9CcuuKTr9zORCrEH7p:GEiRx1b9GJsv6tWKFdu9CtuKTJzI
Malware Config
Signatures
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Floxif family
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Detects Floxif payload 1 IoCs
resource yara_rule behavioral1/files/0x00080000000120f9-1.dat floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x00080000000120f9-1.dat acprotect -
Loads dropped DLL 1 IoCs
pid Process 2624 rundll32.exe -
resource yara_rule behavioral1/files/0x00080000000120f9-1.dat upx behavioral1/memory/2624-3-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2624-7-0x0000000010000000-0x0000000010030000-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 2972 2624 WerFault.exe 30 -
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 2624 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2092 wrote to memory of 2624 2092 rundll32.exe 30 PID 2092 wrote to memory of 2624 2092 rundll32.exe 30 PID 2092 wrote to memory of 2624 2092 rundll32.exe 30 PID 2092 wrote to memory of 2624 2092 rundll32.exe 30 PID 2092 wrote to memory of 2624 2092 rundll32.exe 30 PID 2092 wrote to memory of 2624 2092 rundll32.exe 30 PID 2092 wrote to memory of 2624 2092 rundll32.exe 30 PID 2624 wrote to memory of 2972 2624 rundll32.exe 31 PID 2624 wrote to memory of 2972 2624 rundll32.exe 31 PID 2624 wrote to memory of 2972 2624 rundll32.exe 31 PID 2624 wrote to memory of 2972 2624 rundll32.exe 31
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ce07efcb025b4db19acbc81e4adf866192c720ca38a60eb1ff2f4ad60056aec7N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2092 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ce07efcb025b4db19acbc81e4adf866192c720ca38a60eb1ff2f4ad60056aec7N.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:2624 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 3363⤵
- Program crash
PID:2972
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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