Behavioral task
behavioral1
Sample
3885165eccdb73b3e552dfd66fc3cb5a7916b044141776ade3f351106f1b50dd.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
3885165eccdb73b3e552dfd66fc3cb5a7916b044141776ade3f351106f1b50dd.exe
Resource
win10v2004-20240508-en
General
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Target
3885165eccdb73b3e552dfd66fc3cb5a7916b044141776ade3f351106f1b50dd
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Size
62KB
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MD5
97f022b33dcb771e7e84b85b6a40cd6c
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SHA1
f6753c8be28c8a7bb433c6e026683dbf04e8a3e9
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SHA256
3885165eccdb73b3e552dfd66fc3cb5a7916b044141776ade3f351106f1b50dd
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SHA512
9f3d806c1dd90a1eedcd551a0958a7e8002f4373c1fa9fa2eae22403334073e91a1a478bad9602c2e06cfe361f9054d83755b9873bb24db8411ca8667861acc8
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SSDEEP
768:FPk0H3PfJp8fPVxZnO/IyZjZwWu+R0zQsErNQ5x2EdG51vvq3hkjYvF3hYO:WicxtO/NtwWu0MX5x2EYLy3hkEd3hYO
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/out.upx -
NSIS installer 1 IoCs
resource yara_rule static1/unpack001/out.upx nsis_installer_2
Files
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3885165eccdb73b3e552dfd66fc3cb5a7916b044141776ade3f351106f1b50dd.exe windows:5 windows x86 arch:x86
Code Sign
4c:a1:90:a5:f8:5a:6c:b6:45:9a:05:09:05:92:39:84Certificate
IssuerCN=技术服务部,1.2.840.113549.1.9.1=#130b7777772e6363686f2e6363Not Before24/09/2020, 00:36Not After31/12/2039, 23:59SubjectCN=www.ccho.cc,1.2.840.113549.1.9.1=#130b7777772e6363686f2e63637b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12Certificate
IssuerCN=VeriSign Universal Root Certification Authority,OU=VeriSign Trust Network+OU=(c) 2008 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=USNot Before12/01/2016, 00:00Not After11/01/2031, 23:59SubjectCN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageCertSign
KeyUsageCRLSign
7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12Certificate
IssuerCN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=USNot Before23/12/2017, 00:00Not After22/03/2029, 23:59SubjectCN=Symantec SHA256 TimeStamping Signer - G3,OU=Symantec Trust Network,O=Symantec Corporation,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
4c:a1:90:a5:f8:5a:6c:b6:45:9a:05:09:05:92:39:84Certificate
IssuerCN=技术服务部,1.2.840.113549.1.9.1=#130b7777772e6363686f2e6363Not Before24/09/2020, 00:36Not After31/12/2039, 23:59SubjectCN=www.ccho.cc,1.2.840.113549.1.9.1=#130b7777772e6363686f2e63637b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12Certificate
IssuerCN=VeriSign Universal Root Certification Authority,OU=VeriSign Trust Network+OU=(c) 2008 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=USNot Before12/01/2016, 00:00Not After11/01/2031, 23:59SubjectCN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageCertSign
KeyUsageCRLSign
7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12Certificate
IssuerCN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=USNot Before23/12/2017, 00:00Not After22/03/2029, 23:59SubjectCN=Symantec SHA256 TimeStamping Signer - G3,OU=Symantec Trust Network,O=Symantec Corporation,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
81:1f:77:64:f1:e2:34:d7:c8:08:31:ea:fd:f6:da:30:c8:67:4b:80:2d:63:3c:66:19:bc:b4:04:91:f9:19:0aSigner
Actual PE Digest81:1f:77:64:f1:e2:34:d7:c8:08:31:ea:fd:f6:da:30:c8:67:4b:80:2d:63:3c:66:19:bc:b4:04:91:f9:19:0aDigest Algorithmsha256PE Digest Matchestrue87:e1:2e:32:30:cf:56:31:03:76:eb:66:1b:85:bf:3f:fc:21:d7:08Signer
Actual PE Digest87:e1:2e:32:30:cf:56:31:03:76:eb:66:1b:85:bf:3f:fc:21:d7:08Digest Algorithmsha1PE Digest MatchestrueHeaders
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 220KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 20KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 12KB - Virtual size: 16KB
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_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 26KB - Virtual size: 26KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 105KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ndata Size: - Virtual size: 64KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 22KB - Virtual size: 21KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ