Analysis
- max time kernel
110s - max time network
16s - platform
windows7_x64 - resource
win7-20240903-en - resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system - submitted
14/09/2024, 19:39
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
1c5eba2705103a111d0a86a5deba4e10N.exe
Resource
win7-20240903-en
10 signatures
120 seconds
General
- Target 1c5eba2705103a111d0a86a5deba4e10N.exe
- Size 255KB
- Sample240914-yda8rasblm
- SHA256 f6455b5e36dfa70c3348e63161454b0fb45142b51fdb45115e0b9526abdec71d
- MD5 1c5eba2705103a111d0a86a5deba4e10
- SHA1 2ae49dde082a776c7c7918b34014563b21a8f5ce
- SHA512 1a17e1a8cf684a5b1d4764f2af5e021fd6b19de2ff45c12bb23c04d734f3b76d727ae8270b44eb28de7e698bafa7abc1ad0eb9a1a806129acdd30f7c695ae099
- SSDEEP 6144:giC0b1c9t1DntYqG7BV+UdvrEFp7hKDgxmiG:giCt9RY/BjvrEH7WHx
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Detects Floxif payload 1 IoCs
resource yara_rule behavioral1/files/0x000b000000012259-1.dat floxif - ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x000b000000012259-1.dat acprotect - Loads dropped DLL 1 IoCs
pid Process 2768 1c5eba2705103a111d0a86a5deba4e10N.exe -
resource yara_rule behavioral1/files/0x000b000000012259-1.dat upx behavioral1/memory/2768-3-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral1/memory/2768-7-0x0000000010000000-0x0000000010030000-memory.dmp upx - Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 1c5eba2705103a111d0a86a5deba4e10N.exe - Program crash 1 IoCs
pid pid_target Process procid_target 2820 2768 WerFault.exe 29 - 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 1c5eba2705103a111d0a86a5deba4e10N.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2768 1c5eba2705103a111d0a86a5deba4e10N.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2768 wrote to memory of 2820 2768 1c5eba2705103a111d0a86a5deba4e10N.exe 30 PID 2768 wrote to memory of 2820 2768 1c5eba2705103a111d0a86a5deba4e10N.exe 30 PID 2768 wrote to memory of 2820 2768 1c5eba2705103a111d0a86a5deba4e10N.exe 30 PID 2768 wrote to memory of 2820 2768 1c5eba2705103a111d0a86a5deba4e10N.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\1c5eba2705103a111d0a86a5deba4e10N.exe"C:\Users\Admin\AppData\Local\Temp\1c5eba2705103a111d0a86a5deba4e10N.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2768 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2768 -s 2482⤵
- Program crash
PID:2820
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path \Program Files\Common Files\System\symsrv.dll
- Size 67KB
- SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
- MD5 7574cf2c64f35161ab1292e2f532aabf
- SHA1 14ba3fa927a06224dfe587014299e834def4644f
- SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
- SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZL:c8y93KQjy7G55riF1cMo03V
- MD5 SHA1 SHA512 SSDEEP