2026-08-20_ca4729ce8adf654cc0cf1ddf1c252335_amadey_cobalt-strike_hijackloader_satacom_vidar_wannacry

General

Target
2026-08-20_ca4729ce8adf654cc0cf1ddf1c252335_amadey_cobalt-strike_hijackloader_satacom_vidar_wannacry
Size 499KB
Sample260820-vm58psvvdx
SHA256 cf5e863220ee3d1ff97c89ee10d0a9581e012b71002527731a888d3967f41099
MD5 ca4729ce8adf654cc0cf1ddf1c252335
SHA1 8c9b1b2ff2ced8018ea73cb8cdb25d9fff417a06
SHA512 36597b5fc022f9f8ca82c55ad7fa7a8c3f944bbe20b2a396a713fb93551a9378d53b9edf20d9d6de83393bf9b831ab305325ef9b0924893e41e2448d387e6a3c
SSDEEP 6144:frmT5Dmt4JZg2p7LrimEHcGuvvNFsI5ay8dnYa7fIwxBaNa7oWVC9fnC:ja5D3JeU7vinrmdoTpYagsgNaoFvC
TLSH
T1E3B48E06A6980FA5E61F8170E4D10556EA777D029F5183CF1368BE253F327C0BE792AB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

Malware Config

Signatures

Codesign digest Mismatch 1 IoCs

File was altered after it was signed.

resource
2026-08-20_ca4729ce8adf654cc0cf1ddf1c252335_amadey_cobalt-strike_hijackloader_satacom_vidar_wannacry

File Explorer

2026-08-20_ca4729ce8adf654cc0cf1ddf1c252335_amadey_cobalt-strike_hijackloader_satacom_vidar_wannacry

.exe 499KB

2026-08-20_ca4729ce8adf654cc0cf1ddf1c252335_amadey_cobalt-strike_hijackloader_satacom_vidar_wannacry

IMPHASH 0ba39925cc55187335fdc1a6bb929fef
SHA256 cf5e863220ee3d1ff97c89ee10d0a9581e012b71002527731a888d3967f41099
MD5 ca4729ce8adf654cc0cf1ddf1c252335
SHA1 8c9b1b2ff2ced8018ea73cb8cdb25d9fff417a06
SHA512 36597b5fc022f9f8ca82c55ad7fa7a8c3f944bbe20b2a396a713fb93551a9378d53b9edf20d9d6de83393bf9b831ab305325ef9b0924893e41e2448d387e6a3c
SSDEEP 6144:frmT5Dmt4JZg2p7LrimEHcGuvvNFsI5ay8dnYa7fIwxBaNa7oWVC9fnC:ja5D3JeU7vinrmdoTpYagsgNaoFvC
TLSH
T1E3B48E06A6980FA5E61F8170E4D10556EA777D029F5183CF1368BE253F327C0BE792AB
MD5 SHA1 SHA512 SSDEEP TLSH

Codesign digest Mismatch

File was altered after it was signed.

PE Signature issue

Digest

83:da:66:4d:c5:b0:88:97:4d:19:b8:c2:96:53:24:8a:a9:57:e3:75:ae:09:f3:6a:3b:8d:20:93:4d:82:e8:88

Digest Algorithm

sha256

PE Digests Matches

Not matched

Trusted

Not trusted

Signing Certificate

CN=Oracle America\, Inc.,OU=Software Engineering,O=Oracle America\, Inc.,L=Redwood City,ST=California,C=US

Chains

Aug 20, 2026

CN=Oracle America\, Inc.,OU=Software Engineering,O=Oracle America\, Inc.,L=Redwood City,ST=California,C=US

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Subject

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Serial Number

08:ad:40:b2:60:d2:9c:4c:9f:5e:cd:a9:bd:93:ae:d9

Issuer

CN=DigiCert Trusted Root G4,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageCodeSigning

Revocation Status

Not revoked

Timespan

Apr 29, 2021 - Apr 28, 2036

Subject

CN=Oracle America\, Inc.,OU=Software Engineering,O=Oracle America\, Inc.,L=Redwood City,ST=California,C=US

Serial Number

06:8b:e2:f5:34:52:c8:82:f1:8e:d4:1a:5d:d4:e7:a3

Issuer

CN=DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1,O=DigiCert\, Inc.,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageCodeSigning

Revocation Status

Not revoked

Timespan

Aug 19, 2021 - Aug 19, 2023

Subject

CN=DigiCert Timestamp 2021,O=DigiCert\, Inc.,C=US

Serial Number

0d:42:4a:e0:be:3a:88:ff:60:40:21:ce:14:00:f0:dd

Issuer

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

Jan 1, 2021 - Jan 6, 2031

Subject

CN=DigiCert SHA2 Assured ID Timestamping CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Serial Number

0a:a1:25:d6:d6:32:1b:7e:41:e4:05:da:36:97:c2:15

Issuer

CN=DigiCert Assured ID Root CA,OU=www.digicert.com,O=DigiCert Inc,C=US

Key Usages

KeyUsageDigitalSignature, KeyUsageCertSign, KeyUsageCRLSign

Ext Key Usages

ExtKeyUsageTimeStamping

Revocation Status

Not revoked

Timespan

Jan 7, 2016 - Jan 7, 2031

Minor OS version

0

Major OS version

6

Entry point

5148

Magic Number

523

Subsystem

IMAGE_SUBSYSTEM_WINDOWS_CUI

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_LARGE_ADDRESS_AWARE

PDB paths

c:\jenkins\workspace\8-2-build-windows-amd64-cygwin\jdk8u321\2141\build\windows-amd64\jdk\objs\ktab_objs\ktab.pdb

2026-08-20_ca4729ce8adf654cc0cf1ddf1c252335_amadey_cobalt-strike_hijackloader_satacom_vidar_wannacry

PE Signature issue

jli

kernel32

vcruntime140

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-environment-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-locale-l1-1-0

api-ms-win-crt-heap-l1-1-0

generic

Sharing

General

Malware Config

Signatures

File Explorer

2026-08-20_ca4729ce8adf654cc0cf1ddf1c252335_amadey_cobalt-strike_hijackloader_satacom_vidar_wannacry

PE Signature issue

jli

kernel32

vcruntime140

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-environment-l1-1-0

api-ms-win-crt-math-l1-1-0

api-ms-win-crt-locale-l1-1-0

api-ms-win-crt-heap-l1-1-0

generic