Static task
static1
Behavioral task
behavioral1
Sample
ymsgrcf.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
ymsgrcf.exe
Resource
win10v2004-20240508-en
General
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Target
ymsgrcf.exe
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Size
2.8MB
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MD5
5124bdb9be2e9a3f5648a0bd59808609
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SHA1
83f7ab6b05e34c7f979484fdc1bead71ff00f855
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SHA256
e13069c4edd1aae50b8c4b5796a83bbfb817606124aa675c055f3725003a3e95
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SHA512
d1a644263b4b3c217ac1c3515e1f24640b125f541ba99d5274960e1d84c081b559cbc7a0c141f0028c97901304ef1ae04757059879403192cc91e2984bc214ba
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SSDEEP
49152:U3UQdckXHHkl0KCvbrmB/pXSDxKSMfXMqYA1LxzIHnNXcEo2Rn:0+gXK4racDVMv//8NX02Rn
Malware Config
Signatures
Files
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ymsgrcf.exe.exe windows:4 windows x86 arch:x86
81638d02019c0bfcaaf23a9c69f2f12c
Code Sign
4a:19:d2:38:8c:82:59:1c:a5:5d:73:5f:15:5d:dc:a3Certificate
IssuerOU=VeriSign\, Inc.+OU=VeriSign Time Stamping Service Root+OU=NO LIABILITY ACCEPTED\, (c)97 VeriSign\, Inc.,O=VeriSign Trust NetworkNot Before12/05/1997, 00:00Not After07/01/2004, 23:59SubjectOU=VeriSign\, Inc.+OU=VeriSign Time Stamping Service Root+OU=NO LIABILITY ACCEPTED\, (c)97 VeriSign\, Inc.,O=VeriSign Trust Network4a:29:3e:9d:1d:8c:40:7f:17:49:ff:7d:61:5f:8e:75Certificate
IssuerOU=Class 3 Public Primary Certification Authority,O=VeriSign\, Inc.,C=USNot Before12/12/2001, 00:00Not After06/01/2004, 23:59SubjectCN=VeriSign Class 3 Code Signing 2001-4 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)01,O=VeriSign\, Inc.Extended Key Usages
ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning
Key Usages
KeyUsageCertSign
KeyUsageCRLSign
08:7a:6d:5c:6f:62:93:4f:ba:c4:fd:43:e1:14:18:9dCertificate
IssuerOU=VeriSign\, Inc.+OU=VeriSign Time Stamping Service Root+OU=NO LIABILITY ACCEPTED\, (c)97 VeriSign\, Inc.,O=VeriSign Trust NetworkNot Before28/02/2001, 00:00Not After06/01/2004, 23:59SubjectCN=VeriSign Time Stamping Service,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)01,O=VeriSign\, Inc.Extended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
KeyUsageContentCommitment
2b:4f:13:7b:e9:c8:22:1c:ed:6c:d3:12:4e:03:44:ebCertificate
IssuerCN=VeriSign Class 3 Code Signing 2001-4 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)01,O=VeriSign\, Inc.Not Before25/07/2002, 00:00Not After07/08/2003, 23:59SubjectCN=Yahoo! Inc.,OU=Digital ID Class 3 - Microsoft Software Validation v2+OU=Digital ID Class 3 - Microsoft Software Validation v2,O=Yahoo! Inc.,L=Santa Clara,ST=CA,C=USExtended Key Usages
ExtKeyUsageCodeSigning
Key Usages
KeyUsageDigitalSignature
Signer
Actual PE DigestDigest AlgorithmPE Digest MatchesfalseHeaders
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
CreateFileMappingA
WaitForSingleObject
CreateProcessA
GetCommandLineA
CloseHandle
UnmapViewOfFile
WriteFile
MapViewOfFile
DeleteFileA
GetTempFileNameA
GetTempPathA
CreateFileA
GetShortPathNameA
GetModuleFileNameA
user32
wsprintfA
Sections
.text Size: 512B - Virtual size: 510B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1024B - Virtual size: 533B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 20B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2.8MB - Virtual size: 2.8MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ