Analysis
- max time kernel
148s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
13/09/2024, 12:38
Static task
static1
Behavioral task
behavioral1
Sample
85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe
Resource
win7-20240903-en
8 signatures
150 seconds
General
- Target 85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe
- Size 1.9MB
- Sample240913-pvb2ya1gqa
- SHA256 85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25
- MD5 12cc44ed02a82002775bbef8ea6c854f
- SHA1 5a1bacc8e78dc5ca7de1c5f4a48d08bfa40791e0
- SHA512 194fec65ff5660a80a255256324d9c991ae9bd71dd87324b16900bb9ce02b20a2921100e4ceea370412c43e4bc3a48d9cabb96d13dffc9d6531602efc0db6ac0
- SSDEEP 49152:WWPTW3vYptbUE0QI662K8E11Jkc/ookTD79C6A4tVxckwDXs:rptbUE0Qw2K51Jkc/ooYk45xj
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Detects Floxif payload 1 IoCs
resource yara_rule behavioral2/files/0x0008000000023452-1.dat floxif - ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral2/files/0x0008000000023452-1.dat acprotect - Executes dropped EXE 1 IoCs
pid Process 4356 85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe - Loads dropped DLL 2 IoCs
pid Process 3664 85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe 3664 85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe -
resource yara_rule behavioral2/memory/3664-2-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/files/0x0008000000023452-1.dat upx behavioral2/memory/3664-125-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3664-134-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3664-141-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/3664-159-0x0000000010000000-0x0000000010030000-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: 85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe - Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\System\symsrv.dll 85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe File created \??\c:\program files\common files\system\symsrv.dll.000 85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe - System Location Discovery: System Language Discovery 1 TTPs 2 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 85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3664 85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe 3664 85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe 3664 85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe 3664 85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe 3664 85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe 3664 85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe 3664 85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe 3664 85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3664 85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4356 85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe 4356 85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3664 wrote to memory of 4356 3664 85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe 86 PID 3664 wrote to memory of 4356 3664 85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe 86 PID 3664 wrote to memory of 4356 3664 85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe"C:\Users\Admin\AppData\Local\Temp\85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe"1⤵
- 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
- Suspicious use of WriteProcessMemory
PID:3664 -
C:\Users\Admin\AppData\Local\Temp\jds240625359.tmp\85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe"C:\Users\Admin\AppData\Local\Temp\jds240625359.tmp\85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4356
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\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
- Path C:\Program Files\Common Files\System\symsrv.dll.000
- Size 175B
- SHA256 eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1
- MD5 1130c911bf5db4b8f7cf9b6f4b457623
- SHA1 48e734c4bc1a8b5399bff4954e54b268bde9d54c
- SHA512 94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\jds240625359.tmp\85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe
- Size 1.6MB
- SHA256 acf5e22c4b1a98dc889fe2ad25626ea6fb8cce66edf1c2a4773ad4742f71203c
- MD5 2ae766974ba27233b9a3875bc1f2ce65
- SHA1 6b93e73130fb70c1abf199768fef983466827bbc
- SHA512 d579d3d14857365cf1f2cf4d7d9f29f47a4dd071d61b4dd4c1310ae2864ea2671d6d55042e49ba57600b936420f09feb3d3005047bdc317dee488ee187026b7a
- SSDEEP 49152:1W3vYptbUE0QI662K8E11Jkc/ookTD79C6A4tVxckwD5:1ptbUE0Qw2K51Jkc/ooYk45xk
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\jds240625359.tmp\85c2bc15f52bcba4ed42a78119d414c2b526454c8bdab938dafb3ebf75391e25.exe.tmp
- Size 1.6MB
- SHA256 d53647421fa607a7132d60c6dd880c16b1b6ab0d9449461a3fb27ce33aa1c82a
- MD5 33391e5000b0b0bf3c8df5aa80e1116f
- SHA1 a38bb11cdea66247a481e22b411fa5a3228a6a0d
- SHA512 feb0f80af31e75b3d61e3f0c5031b8901315cf1c4641390551da5feeeec6e41c40ad0869963d9d397035e304280929b532b8bc760cdc51d7aa928cb13908f082
- SSDEEP 49152:bW3vYptbUE0QI662K8B11Jkc/ooLTD79C6A4tVxckwD1:PptbUE0Qw2Kc1Jkc/oofk45xC
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\jusched.log
- Size 165KB
- SHA256 0cdb38c36e76d8baf48a652526ecef26ed443c0f01a14ed6f4c7cd9fe70d93ec
- MD5 8368b70a5f5423c0e36cdf9a1af21060
- SHA1 e8a953c0011bea6beb226977e45e329e582df980
- SHA512 fb2c41ab9b4f3d3b2f8f8e6601e73f46e2f5cec842f2094e94b9b6f2b35f02b20aa3ed4c52266512a297ad442ab40263b41aac32919f620d663702a23011e523
- SSDEEP 3072:4AWZpYbwG1jNIsEtawRba7icpTZmmEwoOFEsIX0RG3l2e:ZqBVL
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\jusched.log
- Size 164KB
- SHA256 27f75a3e5be38217530fea7f918b0c84556362ecb8b976d70924d8494aa4aa39
- MD5 c0f2e192e64ffdd48e3cb039e2defdaf
- SHA1 a5a9976eb7b1fcac7336d69933131537b8e93170
- SHA512 cdef7df1822b6747ecae7a93c136b08f9ebf53527aac6a1a1353f3fa7e71114831d333d19044cb7f2b16b7487b93ed1e23e8b2b2ef539eb902b98fe74d3641bc
- SSDEEP 3072:4AWZpYbwG1jNIsEtawRba7icpTZmmEwoOFEsIX0RG3lb:ZqBVt
- MD5 SHA1 SHA512 SSDEEP