a1c89581ff6276e2b8fce73393f3bb98

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General

Target

a1c89581ff6276e2b8fce73393f3bb98
Size

317KB
MD5

a1c89581ff6276e2b8fce73393f3bb98
SHA1

5a36f848a25c980645d186a63d44401a9af7bc16
SHA256

17e3f47fd80a0fbb37ec8488599ee7996eaee8070e0527d1e404ec897fb91072
SHA512

8aa7228a02756c8e064bf0543be3f01458ba4a60cac5a103738b73bd3eca8f599724c6fd495a8ff7460a76086c77ac3dc6300eda0605ba14e097cafe59910a0d
SSDEEP

6144:FimBc61GK8LV1KkgbdulMX7EO+FGlVS9NohkP5WfyehMgZ:kCc61KLLKkgWo7EpGrS0fyngZ

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

a1c89581ff6276e2b8fce73393f3bb98
.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

66:67:3f:40:72:08:90:85:98:b1:95:6c:77:57:58:3e:c6:c7:9e:94
Signer

Actual PE Digest

66:67:3f:40:72:08:90:85:98:b1:95:6c:77:57:58:3e:c6:c7:9e:94

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_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

UPX0
Size: - Virtual size: 428KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 305KB - Virtual size: 308KB

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_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Sections

.text
Size: 311KB - Virtual size: 310KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 101KB - Virtual size: 101KB

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: 232KB - Virtual size: 232KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 30KB - 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

66:67:3f:40:72:08:90:85:98:b1:95:6c:77:57:58:3e:c6:c7:9e:94Signer

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 428KB

UPX1 Size: 305KB - Virtual size: 308KB

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

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 311KB - Virtual size: 310KB

.rdata Size: 101KB - Virtual size: 101KB

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

.rsrc Size: 232KB - Virtual size: 232KB

.reloc Size: 30KB - 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

66:67:3f:40:72:08:90:85:98:b1:95:6c:77:57:58:3e:c6:c7:9e:94
Signer

UPX0
Size: - Virtual size: 428KB

UPX1
Size: 305KB - Virtual size: 308KB

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

.text
Size: 311KB - Virtual size: 310KB

.rdata
Size: 101KB - Virtual size: 101KB

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

.rsrc
Size: 232KB - Virtual size: 232KB

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