Behavioral task
behavioral1
Sample
ca34c0e11484d4b311aafcd3de089a5e0e71fb83685a0fe2e1b0d60b53bb7aa2.exe
Resource
win7-20240221-en
General
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Target
ca34c0e11484d4b311aafcd3de089a5e0e71fb83685a0fe2e1b0d60b53bb7aa2.exe
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Size
233KB
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MD5
9870132554e14a321dbe74a117afc624
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SHA1
9430291e591303ee9e9d143202c33d85d3e8b986
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SHA256
ca34c0e11484d4b311aafcd3de089a5e0e71fb83685a0fe2e1b0d60b53bb7aa2
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SHA512
41dd5a43fd8733408eadad4fe3a57ea8dd05b3b93fe8f8dd95483a6f802468c9b5af0ce1af5821c688dc75c3d573cb9ea1a4c184c172f62beab83d0502b058e9
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SSDEEP
3072:LOSI2I7txG68nYrugMZJMfsciIpuKNtrUQlAK3qSjYPS+IAXb3Ixi5eFrgurIlNT:qvG68YrvM80ypnjAedo3qiGUY2ChzI5
Malware Config
Signatures
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Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 1 IoCs
resource yara_rule static1/unpack001/out.upx INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM -
Remcos family
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UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource ca34c0e11484d4b311aafcd3de089a5e0e71fb83685a0fe2e1b0d60b53bb7aa2.exe unpack001/out.upx
Files
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ca34c0e11484d4b311aafcd3de089a5e0e71fb83685a0fe2e1b0d60b53bb7aa2.exe.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 312KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 213KB - Virtual size: 216KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 18KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 348KB - Virtual size: 348KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 94KB - Virtual size: 94KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 23KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 9B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.gfids Size: 1024B - Virtual size: 560B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 19KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 15KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ