New WinRAR ZIP archive[.]zip

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General

Target

New WinRAR ZIP archive.zip
Size

109KB
MD5

34a1cc374f710d255a0e419ee7f9cd1e
SHA1

cf3b96cf29a1619cd961bc2beec1771d5db053b2
SHA256

6e809e906770900dc5b837670c5de067a7e17b8d69ad958a1b1eaf81a624065d
SHA512

14aaf9b57311a8bec5657cb419a8ca7c4ab7ea05d62716320d8d5c6d6a306e25b74c4900fb7295c6ad6e0c7390c559b24beb25499db794fe11a5870e1bd19f44
SSDEEP

3072:gQq9CBjiRRp7pciV0v4KK/X1O24V7jEE4j9FgBvhl:g/4BpNwKK/XkpV54XgBpl

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/unpack001/3661ff2a050ad47fdc451aed18b88444646bb3eb6387b07f4e47d0306aac6642.dll	upx

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack002/out.upx

Files

New WinRAR ZIP archive.zip
.zip
3661ff2a050ad47fdc451aed18b88444646bb3eb6387b07f4e47d0306aac6642.dll
.dll windows x64

Code Sign

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16
Certificate

Issuer

CN=AAA Certificate Services,O=Comodo CA Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

25/05/2021, 00:00

Not After

31/12/2028, 23:59

Subject

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

4d:eb:26:44:a5:ad:14:88:f9:8f:6a:8d:6b:ca:1f:ab
Certificate

Issuer

CN=Sectigo Public Code Signing CA R36,O=Sectigo Limited,C=GB

Not Before

05/10/2022, 00:00

Not After

04/10/2024, 23:59

Subject

CN=coolschool,O=coolschool,ST=Gyeonggi-do,C=KR

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0a
Certificate

Issuer

CN=Sectigo Public Code Signing Root R46,O=Sectigo Limited,C=GB

Not Before

22/03/2021, 00:00

Not After

21/03/2036, 23:59

Subject

CN=Sectigo Public Code Signing CA R36,O=Sectigo Limited,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

Issuer

CN=VeriSign Universal Root Certification Authority,OU=VeriSign Trust Network+OU=(c) 2008 VeriSign\, Inc. - For authorized use only,O=VeriSign\, Inc.,C=US

Not Before

12/01/2016, 00:00

Not After

11/01/2031, 23:59

Subject

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

Issuer

CN=Symantec SHA256 TimeStamping CA,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Not Before

23/12/2017, 00:00

Not After

22/03/2029, 23:59

Subject

CN=Symantec SHA256 TimeStamping Signer - G3,OU=Symantec Trust Network,O=Symantec Corporation,C=US

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

60:db:67:49:76:72:79:8d:69:62:7b:3c:c9:61:d2:14:0c:a0:6f:79
Signer

Actual PE Digest

60:db:67:49:76:72:79:8d:69:62:7b:3c:c9:61:d2:14:0c:a0:6f:79

Digest Algorithm

sha1

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Exports

Exports

versions

Sections

UPX0
Size: - Virtual size: 188KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 108KB - Virtual size: 108KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.dll windows x64

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Sections

.text
Size: 55KB - Virtual size: 55KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 37KB - Virtual size: 36KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 168KB - Virtual size: 172KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 252B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 248B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Code Sign

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16Certificate

Extended Key Usages

Key Usages

4d:eb:26:44:a5:ad:14:88:f9:8f:6a:8d:6b:ca:1f:abCertificate

Extended Key Usages

Key Usages

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0aCertificate

Extended Key Usages

Key Usages

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12Certificate

Extended Key Usages

Key Usages

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12Certificate

Extended Key Usages

Key Usages

60:db:67:49:76:72:79:8d:69:62:7b:3c:c9:61:d2:14:0c:a0:6f:79Signer

Headers

DLL Characteristics

File Characteristics

Exports

Exports

Sections

UPX0 Size: - Virtual size: 188KB

UPX1 Size: 108KB - Virtual size: 108KB

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

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 55KB - Virtual size: 55KB

.rdata Size: 37KB - Virtual size: 36KB

.data Size: 168KB - Virtual size: 172KB

.pdata Size: 4KB - Virtual size: 3KB

_RDATA Size: 512B - Virtual size: 252B

.rsrc Size: 512B - Virtual size: 248B

.reloc Size: 2KB - Virtual size: 1KB

48:fc:93:b4:60:55:94:8d:36:a7:c9:8a:89:d6:94:16
Certificate

4d:eb:26:44:a5:ad:14:88:f9:8f:6a:8d:6b:ca:1f:ab
Certificate

62:1d:6d:0c:52:01:9e:3b:90:79:15:20:89:21:1c:0a
Certificate

7b:05:b1:d4:49:68:51:44:f7:c9:89:d2:9c:19:9d:12
Certificate

7b:d4:e5:af:ba:cc:07:3f:a1:01:23:04:22:41:4d:12
Certificate

60:db:67:49:76:72:79:8d:69:62:7b:3c:c9:61:d2:14:0c:a0:6f:79
Signer

UPX0
Size: - Virtual size: 188KB

UPX1
Size: 108KB - Virtual size: 108KB

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

.text
Size: 55KB - Virtual size: 55KB

.rdata
Size: 37KB - Virtual size: 36KB

.data
Size: 168KB - Virtual size: 172KB

.pdata
Size: 4KB - Virtual size: 3KB

_RDATA
Size: 512B - Virtual size: 252B

.rsrc
Size: 512B - Virtual size: 248B

.reloc
Size: 2KB - Virtual size: 1KB