77bdcc6244342e06e45f6849bd771428ac5bbbad774621d23faa040158d8e942

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General

Target

77bdcc6244342e06e45f6849bd771428ac5bbbad774621d23faa040158d8e942
Size

53KB
MD5

a8a1abd2757487aaf6a988b4dce1fa63
SHA1

2a34a802a97c3db80949d652de9244399079be11
SHA256

77bdcc6244342e06e45f6849bd771428ac5bbbad774621d23faa040158d8e942
SHA512

493e7eea45040ccb0a73dd02bfd9b5336da44da3a9563b7abfc176aa2f330251c99f05dce33577d1d4738e4ea7955ae887bc11b91e60c8838a4b09ae2b68e768
SSDEEP

384:fYsx9+11H0QxeM6bcsu+ADYp+OLHeNVNXFpOQGR9zos2clAKLHRN74u56/R9zZww:wszu5ejAqe7XOQ69zbjlAAX5e9zOvG

Score

10^/10

Malware Config

Signatures

Detects executables built or packed with MPress PE compressor 1 IoCs

resource	yara_rule
sample	INDICATOR_EXE_Packed_MPress

Files

77bdcc6244342e06e45f6849bd771428ac5bbbad774621d23faa040158d8e942
.exe windows:5 windows x86 arch:x86

Code Sign

33:00:00:04:39:f6:1f:7a:67:6d:a0:00:af:00:00:00:00:04:39
Certificate

Issuer

CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

02/09/2021, 18:25

Not After

01/09/2022, 18:25

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0c:52:4c:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

06/07/2010, 20:40

Not After

06/07/2025, 20:50

Subject

CN=Microsoft Code Signing PCA 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

33:00:00:02:55:18:1d:a4:2e:e0:86:fc:15:00:00:00:00:02:55
Certificate

Issuer

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

02/09/2021, 18:33

Not After

01/09/2022, 18:33

Subject

CN=Microsoft Corporation,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:0e:90:d2:00:00:00:00:00:03
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

08/07/2011, 20:59

Not After

08/07/2026, 21:09

Subject

CN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

93:cb:0e:db:a8:2a:f6:5b:78:da:ed:8a:ac:98:75:67:17:57:ec:32:c8:9d:da:f3:0e:7f:c0:08:72:83:fa:b3
Signer

Actual PE Digest

93:cb:0e:db:a8:2a:f6:5b:78:da:ed:8a:ac:98:75:67:17:57:ec:32:c8:9d:da:f3:0e:7f:c0:08:72:83:fa:b3

Digest Algorithm

sha256

PE Digest Matches

false

93:cb:0e:db:a8:2a:f6:5b:78:da:ed:8a:ac:98:75:67:17:57:ec:32:c8:9d:da:f3:0e:7f:c0:08:72:83:fa:b3
Signer

Actual PE Digest

93:cb:0e:db:a8:2a:f6:5b:78:da:ed:8a:ac:98:75:67:17:57:ec:32:c8:9d:da:f3:0e:7f:c0:08:72:83:fa:b3

Digest Algorithm

sha256

PE Digest Matches

false

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED

Sections

.MPRESS1
Size: 21KB - Virtual size: 36KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.MPRESS2
Size: 1KB - Virtual size: 4KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 9KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.imports
Size: 1024B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

Code Sign

33:00:00:04:39:f6:1f:7a:67:6d:a0:00:af:00:00:00:00:04:39Certificate

Extended Key Usages

61:0c:52:4c:00:00:00:00:00:03Certificate

Key Usages

33:00:00:02:55:18:1d:a4:2e:e0:86:fc:15:00:00:00:00:02:55Certificate

Extended Key Usages

61:0e:90:d2:00:00:00:00:00:03Certificate

Key Usages

93:cb:0e:db:a8:2a:f6:5b:78:da:ed:8a:ac:98:75:67:17:57:ec:32:c8:9d:da:f3:0e:7f:c0:08:72:83:fa:b3Signer

93:cb:0e:db:a8:2a:f6:5b:78:da:ed:8a:ac:98:75:67:17:57:ec:32:c8:9d:da:f3:0e:7f:c0:08:72:83:fa:b3Signer

Headers

File Characteristics

Sections

.MPRESS1 Size: 21KB - Virtual size: 36KB

.MPRESS2 Size: 1KB - Virtual size: 4KB

.rsrc Size: 9KB - Virtual size: 12KB

.imports Size: 1024B - Virtual size: 4KB

33:00:00:04:39:f6:1f:7a:67:6d:a0:00:af:00:00:00:00:04:39
Certificate

61:0c:52:4c:00:00:00:00:00:03
Certificate

33:00:00:02:55:18:1d:a4:2e:e0:86:fc:15:00:00:00:00:02:55
Certificate

61:0e:90:d2:00:00:00:00:00:03
Certificate

93:cb:0e:db:a8:2a:f6:5b:78:da:ed:8a:ac:98:75:67:17:57:ec:32:c8:9d:da:f3:0e:7f:c0:08:72:83:fa:b3
Signer

93:cb:0e:db:a8:2a:f6:5b:78:da:ed:8a:ac:98:75:67:17:57:ec:32:c8:9d:da:f3:0e:7f:c0:08:72:83:fa:b3
Signer

.MPRESS1
Size: 21KB - Virtual size: 36KB

.MPRESS2
Size: 1KB - Virtual size: 4KB

.rsrc
Size: 9KB - Virtual size: 12KB

.imports
Size: 1024B - Virtual size: 4KB