7618144ca4a4cfba005eb66b2439f2baeed1e9a72d4b603e8462d4aa9797fbdc[.]bin[.]sample[.]gz

Resubmissions

13/07/2023, 09:54

230713-lw7y8aha9w 7

12/07/2023, 16:36

230712-t4n53sea84 7

Sharing

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General

Target

7618144ca4a4cfba005eb66b2439f2baeed1e9a72d4b603e8462d4aa9797fbdc.bin.sample.gz
Size

29KB
MD5

83ae07e05af49232d299164c40105be5
SHA1

0dda2323bba78351b8330465d09daa5ec7103815
SHA256

e5626e18eec8842906083983ba1789944470efa5ef605b2894eff9e8a98b1342
SHA512

1534e664f5d7c9ca1461026dc8be2212f9575b5c9007261c99dfe426539bb1cdceacfdfceb2ffd59977582ef6b36bdaaa3e5d30a4f090dea7f62cf74d40693ab
SSDEEP

768:mGBoYuJ4aUqLZRtltWbh6C+OaDnS5S2eJw/ZrxUO:OYu7UItltiGDMS2gw/Zrx

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
static1/unpack001/sample	upx

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack002/out.upx

Files

7618144ca4a4cfba005eb66b2439f2baeed1e9a72d4b603e8462d4aa9797fbdc.bin.sample.gz
.gz
sample
.exe windows x86

Code Sign

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3c
Certificate

Issuer

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

Not Before

02/09/2021, 18:23

Not After

01/09/2022, 18:23

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

b1:39:23:22:f1:3f:39:92:83:ce:6e:1a:72:5a:fc:3f:85:b1:d8:3b:73:81:a2:ce:b3:99:86:66:02:7a:6f:97
Signer

Actual PE Digest

b1:39:23:22:f1:3f:39:92:83:ce:6e:1a:72:5a:fc:3f:85:b1:d8:3b:73:81:a2:ce:b3:99:86:66:02:7a:6f:97

Digest Algorithm

sha256

PE Digest Matches

false

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 40KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 23KB - Virtual size: 24KB

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 x86

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Sections

.text
Size: 36KB - Virtual size: 36KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 1KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.data
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Resubmissions

Sharing

General

Malware Config

Signatures

Files

Code Sign

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3cCertificate

Extended Key Usages

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

Key Usages

b1:39:23:22:f1:3f:39:92:83:ce:6e:1a:72:5a:fc:3f:85:b1:d8:3b:73:81:a2:ce:b3:99:86:66:02:7a:6f:97Signer

Headers

File Characteristics

Sections

UPX0 Size: - Virtual size: 40KB

UPX1 Size: 23KB - Virtual size: 24KB

UPX2 Size: 512B - Virtual size: 4KB

Headers

File Characteristics

Sections

.text Size: 36KB - Virtual size: 36KB

.bss Size: - Virtual size: 1KB

.data Size: 6KB - Virtual size: 6KB

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

33:00:00:03:3c:89:c6:6a:7b:45:bb:1f:bd:00:00:00:00:03:3c
Certificate

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

b1:39:23:22:f1:3f:39:92:83:ce:6e:1a:72:5a:fc:3f:85:b1:d8:3b:73:81:a2:ce:b3:99:86:66:02:7a:6f:97
Signer

UPX0
Size: - Virtual size: 40KB

UPX1
Size: 23KB - Virtual size: 24KB

UPX2
Size: 512B - Virtual size: 4KB

.text
Size: 36KB - Virtual size: 36KB

.bss
Size: - Virtual size: 1KB

.data
Size: 6KB - Virtual size: 6KB

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