27cfebb41f2203ba738b31f131e4d406

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General

Target

27cfebb41f2203ba738b31f131e4d406
Size

591KB
MD5

27cfebb41f2203ba738b31f131e4d406
SHA1

6c37dfe6d7f14ea823e1b10bac900c7347adff61
SHA256

242ceace3a940c7953779057ee54d67413a7beb9ca0b03bfb281180cad68abe7
SHA512

106560908ecb31bb0002cfc2015dddded9b8fe606c98547068c947fb8912ec1af17b58728dd0935ab0363e328e24b313c5ce033502ed1525983901119b3d8e16
SSDEEP

12288:svPZXKYYRPEtcxyskuyiizQc5AKCCkj3LciNg9Fs:K3SPEOxJpkv5EBYiNgbs

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

27cfebb41f2203ba738b31f131e4d406
.exe windows:4 windows x86 arch:x86

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

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

95:40:df:bc:fd:57:3a:93:18:ba:5a:27:0f:bc:53:cb
Certificate

Issuer

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

Not Before

03/06/2021, 00:00

Not After

03/06/2022, 23:59

Subject

CN=CHESTER HOUSE FREEHOLD LIMITED,O=CHESTER HOUSE FREEHOLD LIMITED,L=Bournemouth,ST=Dorset,C=GB

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

8c:77:a0:00:8f:f4:d1:b0:c6:3d:9f:3a:48:83:8d:6b
Certificate

Issuer

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Not Before

23/10/2020, 00:00

Not After

22/01/2032, 23:59

Subject

CN=Sectigo RSA Time Stamping Signer #2,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageContentCommitment

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

Issuer

CN=USERTrust RSA Certification Authority,O=The USERTRUST Network,L=Jersey City,ST=New Jersey,C=US

Not Before

02/05/2019, 00:00

Not After

18/01/2038, 23:59

Subject

CN=Sectigo RSA Time Stamping CA,O=Sectigo Limited,L=Salford,ST=Greater Manchester,C=GB

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

81:98:22:81:32:b7:2e:c5:34:1c:86:31:0f:2f:66:0c:c5:67:c7:20:3c:41:e0:d4:cf:12:33:b1:bd:4e:c4:42
Signer

Actual PE Digest

81:98:22:81:32:b7:2e:c5:34:1c:86:31:0f:2f:66:0c:c5:67:c7:20:3c:41:e0:d4:cf:12:33:b1:bd:4e:c4:42

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

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: 504KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 24KB - Virtual size: 28KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 119KB - Virtual size: 120KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:4 windows x86 arch:x86

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

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: 26KB - Virtual size: 26KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 5KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 172KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 188KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 119KB - Virtual size: 119KB

IMAGE_SCN_CNT_INITIALIZED_DATA
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

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

Extended Key Usages

Key Usages

95:40:df:bc:fd:57:3a:93:18:ba:5a:27:0f:bc:53:cbCertificate

Extended Key Usages

Key Usages

8c:77:a0:00:8f:f4:d1:b0:c6:3d:9f:3a:48:83:8d:6bCertificate

Extended Key Usages

Key Usages

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9Certificate

Extended Key Usages

Key Usages

81:98:22:81:32:b7:2e:c5:34:1c:86:31:0f:2f:66:0c:c5:67:c7:20:3c:41:e0:d4:cf:12:33:b1:bd:4e:c4:42Signer

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 504KB

UPX1 Size: 24KB - Virtual size: 28KB

.rsrc Size: 119KB - Virtual size: 120KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 26KB - Virtual size: 26KB

.rdata Size: 5KB - Virtual size: 5KB

.data Size: 2KB - Virtual size: 172KB

.ndata Size: - Virtual size: 188KB

.rsrc Size: 119KB - Virtual size: 119KB

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

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

95:40:df:bc:fd:57:3a:93:18:ba:5a:27:0f:bc:53:cb
Certificate

8c:77:a0:00:8f:f4:d1:b0:c6:3d:9f:3a:48:83:8d:6b
Certificate

30:0f:6f:ac:dd:66:98:74:7c:a9:46:36:a7:78:2d:b9
Certificate

81:98:22:81:32:b7:2e:c5:34:1c:86:31:0f:2f:66:0c:c5:67:c7:20:3c:41:e0:d4:cf:12:33:b1:bd:4e:c4:42
Signer

UPX0
Size: - Virtual size: 504KB

UPX1
Size: 24KB - Virtual size: 28KB

.rsrc
Size: 119KB - Virtual size: 120KB

.text
Size: 26KB - Virtual size: 26KB

.rdata
Size: 5KB - Virtual size: 5KB

.data
Size: 2KB - Virtual size: 172KB

.ndata
Size: - Virtual size: 188KB

.rsrc
Size: 119KB - Virtual size: 119KB