77cd3ca3306dcb8791b9c8570849155c539d72906fed9e28507d201f0a6c42f1[.]exe

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General

Target

77cd3ca3306dcb8791b9c8570849155c539d72906fed9e28507d201f0a6c42f1.exe
Size

1.9MB
MD5

251c9414b07805f101c119d3fc259aba
SHA1

cd934095e11a07757df5baae67d5aa9e9530843a
SHA256

77cd3ca3306dcb8791b9c8570849155c539d72906fed9e28507d201f0a6c42f1
SHA512

ec7b52528a3850c1c2b58749f5597bd90fbc2248188273ae89d0e33cc55287426a7cd46c8e55d8a25b55aa7af1525ce102d6124d33362b03b36fd12d25cf12be
SSDEEP

49152:0xxsR3Z/VGLwwzC3QJ1qmx+pbgETQDaqW9Iyy9pa5RBjpbcK+re:ixsRnGLwwzC61qW+pbJQDaMiBnUe

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
sample	upx

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/out.upx

Files

77cd3ca3306dcb8791b9c8570849155c539d72906fed9e28507d201f0a6c42f1.exe
.exe windows:6 windows x64 arch:x64

Code Sign

33:00:00:04:5f:f3:c9:6c:1a:7f:f7:da:1d:00:00:00:00:04:5f
Certificate

Issuer

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

16/11/2023, 19:20

Not After

14/11/2024, 19:20

Subject

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

Extended Key Usages

ExtKeyUsageCodeSigning

61:07:76:56:00:00:00:00:00:08
Certificate

Issuer

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

Not Before

19/10/2011, 18:41

Not After

19/10/2026, 18:51

Subject

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

94:72:ed:60:cd:db:7b:b5:29:f0:1c:94:7b:f4:b5:00:e6:6c:70:4f:97:38:33:3c:c6:e2:b5:dd:57:37:9d:9d
Signer

Actual PE Digest

94:72:ed:60:cd:db:7b:b5:29:f0:1c:94:7b:f4:b5:00:e6:6c:70:4f:97:38:33:3c:c6:e2:b5:dd:57:37:9d:9d

Digest Algorithm

sha256

PE Digest Matches

false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Sections

UPX0
Size: - Virtual size: 3.2MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 1.9MB - Virtual size: 1.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX2
Size: 512B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:6 windows x64 arch:x64

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Sections

.text
Size: 2.1MB - Virtual size: 2.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 2.2MB - Virtual size: 2.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 229KB - Virtual size: 597KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 50KB - Virtual size: 50KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 512B - Virtual size: 168B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 40KB - Virtual size: 39KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.symtab
Size: 512B - Virtual size: 4B

IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

33:00:00:04:5f:f3:c9:6c:1a:7f:f7:da:1d:00:00:00:00:04:5fCertificate

Extended Key Usages

61:07:76:56:00:00:00:00:00:08Certificate

Key Usages

94:72:ed:60:cd:db:7b:b5:29:f0:1c:94:7b:f4:b5:00:e6:6c:70:4f:97:38:33:3c:c6:e2:b5:dd:57:37:9d:9dSigner

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 3.2MB

UPX1 Size: 1.9MB - Virtual size: 1.9MB

UPX2 Size: 512B - Virtual size: 4KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 2.1MB - Virtual size: 2.1MB

.rdata Size: 2.2MB - Virtual size: 2.2MB

.data Size: 229KB - Virtual size: 597KB

.pdata Size: 50KB - Virtual size: 50KB

.xdata Size: 512B - Virtual size: 168B

.idata Size: 1KB - Virtual size: 1KB

.reloc Size: 40KB - Virtual size: 39KB

.symtab Size: 512B - Virtual size: 4B

33:00:00:04:5f:f3:c9:6c:1a:7f:f7:da:1d:00:00:00:00:04:5f
Certificate

61:07:76:56:00:00:00:00:00:08
Certificate

94:72:ed:60:cd:db:7b:b5:29:f0:1c:94:7b:f4:b5:00:e6:6c:70:4f:97:38:33:3c:c6:e2:b5:dd:57:37:9d:9d
Signer

UPX0
Size: - Virtual size: 3.2MB

UPX1
Size: 1.9MB - Virtual size: 1.9MB

UPX2
Size: 512B - Virtual size: 4KB

.text
Size: 2.1MB - Virtual size: 2.1MB

.rdata
Size: 2.2MB - Virtual size: 2.2MB

.data
Size: 229KB - Virtual size: 597KB

.pdata
Size: 50KB - Virtual size: 50KB

.xdata
Size: 512B - Virtual size: 168B

.idata
Size: 1KB - Virtual size: 1KB

.reloc
Size: 40KB - Virtual size: 39KB

.symtab
Size: 512B - Virtual size: 4B