4b1fbbf2fa96f4a9ac58c9168493c3f1

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General

Target

4b1fbbf2fa96f4a9ac58c9168493c3f1
Size

327KB
MD5

4b1fbbf2fa96f4a9ac58c9168493c3f1
SHA1

5b35e1994d0ea1e61a6bbb07b89591e5dde95661
SHA256

33fe1e8f6d9e6a19aa859a94439afbe4c8441b7c0eee7787bd3ef8638d530d74
SHA512

bfad917bde53302a0442494ae357ee2d976f14d010b155cf28d15e5a7f735d6bd1f7c99172fd2344ade27d91c5303203e864ae0b8ab8b542381590acdf9d8c56
SSDEEP

6144:xsDxB60n6x8LGV7xBuXN5mx+BLIEw9/H4DHU2LpsgI4/3vs0QK5fGHGF:x+gedQ+dIT/MHUoK+vs0x5ue

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

4b1fbbf2fa96f4a9ac58c9168493c3f1
.exe windows:5 windows x86 arch:x86

Code Sign

05:e6:71:75:3c:f9:bb:1d:76:a8:c5:56:52:89:27:20
Certificate

Issuer

CN=VeriSign Class 3 Code Signing 2010 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)10,O=VeriSign\, Inc.,C=US

Not Before

22-12-2010 00:00

Not After

21-12-2012 23:59

Subject

CN=appbundler.com,OU=Digital ID Class 3 - Microsoft Software Validation v2+OU=Ops,O=appbundler.com,L=Bellevue,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7
Certificate

Issuer

CN=VeriSign Class 3 Public Primary Certification Authority - G5,OU=VeriSign Trust Network+OU=(c) 2006 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

08-02-2010 00:00

Not After

07-02-2020 23:59

Subject

CN=VeriSign Class 3 Code Signing 2010 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)10,O=VeriSign\, Inc.,C=US

Extended Key Usages

ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7f:67:9a:8f:6f:72:3d:7d:d7:24:82:81:a0:94:43:ee:79:ee:7c:3f
Signer

Actual PE Digest

7f:67:9a:8f:6f:72:3d:7d:d7:24:82:81:a0:94:43:ee:79:ee:7c:3f

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 424KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 315KB - Virtual size: 316KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 7KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:5 windows x86 arch:x86

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

.text
Size: 318KB - Virtual size: 317KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 103KB - Virtual size: 102KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 14KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 243KB - Virtual size: 242KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 31KB - Virtual size: 30KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

05:e6:71:75:3c:f9:bb:1d:76:a8:c5:56:52:89:27:20Certificate

Extended Key Usages

Key Usages

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7Certificate

Extended Key Usages

Key Usages

7f:67:9a:8f:6f:72:3d:7d:d7:24:82:81:a0:94:43:ee:79:ee:7c:3fSigner

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 424KB

UPX1 Size: 315KB - Virtual size: 316KB

.rsrc Size: 7KB - Virtual size: 8KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 318KB - Virtual size: 317KB

.rdata Size: 103KB - Virtual size: 102KB

.data Size: 14KB - Virtual size: 24KB

.rsrc Size: 243KB - Virtual size: 242KB

.reloc Size: 31KB - Virtual size: 30KB

05:e6:71:75:3c:f9:bb:1d:76:a8:c5:56:52:89:27:20
Certificate

52:00:e5:aa:25:56:fc:1a:86:ed:96:c9:d4:4b:33:c7
Certificate

7f:67:9a:8f:6f:72:3d:7d:d7:24:82:81:a0:94:43:ee:79:ee:7c:3f
Signer

UPX0
Size: - Virtual size: 424KB

UPX1
Size: 315KB - Virtual size: 316KB

.rsrc
Size: 7KB - Virtual size: 8KB

.text
Size: 318KB - Virtual size: 317KB

.rdata
Size: 103KB - Virtual size: 102KB

.data
Size: 14KB - Virtual size: 24KB

.rsrc
Size: 243KB - Virtual size: 242KB

.reloc
Size: 31KB - Virtual size: 30KB