2024-04-18_1810829eda1741b5f2a03649e05bdff5_krakencryptor

Sharing

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General

Target

2024-04-18_1810829eda1741b5f2a03649e05bdff5_krakencryptor
Size

5.1MB
MD5

1810829eda1741b5f2a03649e05bdff5
SHA1

351057fbf176f74f6407f6ffa758598f65960039
SHA256

b49cae3ee939d3579d11de8ebbfdf301c4ded394a997aefac19a546703bb2f8d
SHA512

277fea8e051590c92d5449e1ae2b8627c9c534d2f677bb758e19ac022ee8618e11a78e7467cd896c8803bed78d2856ea2458110028072c0a3499e4b0eca4507f
SSDEEP

49152:baC3BU94cuVd7DAp+6MZQTszR2nMrMrxY5ECSA/Bkj0R:bbcayoExMSAD

Score

10^/10

Malware Config

Signatures

Detects encrypted or obfuscated .NET executables 1 IoCs

resource	yara_rule
sample	INDICATOR_EXE_DotNET_Encrypted

Files

2024-04-18_1810829eda1741b5f2a03649e05bdff5_krakencryptor
.exe windows:4 windows x86 arch:x86

f34d5f2d4577ed6d9ceec516c1f5a744

Code Sign

45:e6:bb:03:83:33:c3:85:65:48:e6:ff:45:51
Certificate

Issuer

CN=GlobalSign,OU=GlobalSign Root CA - R6,O=GlobalSign

Not Before

10/12/2014, 00:00

Not After

10/12/2034, 00:00

Subject

CN=GlobalSign,OU=GlobalSign Root CA - R6,O=GlobalSign

Key Usages

KeyUsageCertSign
KeyUsageCRLSign

01:ec:1c:92:40:de:fd:2e:40:5d:7c:47:74
Certificate

Issuer

CN=GlobalSign,OU=GlobalSign Root CA - R6,O=GlobalSign

Not Before

20/06/2018, 00:00

Not After

10/12/2034, 00:00

Subject

CN=GlobalSign Timestamping CA - SHA384 - G4,O=GlobalSign nv-sa,C=BE

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

01:07:64:9b:08:b0:a7:fe:7d:d6:54:a8:f2:f4:29:f6
Certificate

Issuer

CN=GlobalSign Timestamping CA - SHA384 - G4,O=GlobalSign nv-sa,C=BE

Not Before

07/11/2023, 17:13

Not After

09/12/2034, 17:13

Subject

CN=Globalsign TSA for MS Authenticode Advanced - G4 - 202311,O=GlobalSign nv-sa,C=BE

Extended Key Usages

ExtKeyUsageTimeStamping

Key Usages

KeyUsageDigitalSignature

77:bd:0e:05:b7:59:0b:b6:1d:47:61:53:1e:3f:75:ed
Certificate

Issuer

CN=GlobalSign Code Signing Root R45,O=GlobalSign nv-sa,C=BE

Not Before

28/07/2020, 00:00

Not After

28/07/2030, 00:00

Subject

CN=GlobalSign GCC R45 EV CodeSigning CA 2020,O=GlobalSign nv-sa,C=BE

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

42:37:2f:34:a1:e9:3d:78:56:c7:32:5e
Certificate

Issuer

CN=GlobalSign GCC R45 EV CodeSigning CA 2020,O=GlobalSign nv-sa,C=BE

Not Before

11/01/2023, 16:20

Not After

27/02/2026, 16:55

Subject

SERIALNUMBER=6401971,CN=Picus Security\, Inc.,O=Picus Security\, Inc.,STREET=160 SPEAR STREET #1000,L=San Francisco,ST=California,C=US,1.3.6.1.4.1.311.60.2.1.2=#130844656c6177617265,1.3.6.1.4.1.311.60.2.1.3=#13025553,2.5.4.15=#131450726976617465204f7267616e697a6174696f6e

Extended Key Usages

ExtKeyUsageCodeSigning

Key Usages

KeyUsageDigitalSignature

0e:e2:2d:ce:ca:b4:72:13:e5:54:2e:b0:72:3f:55:95:67:63:00:b8:38:74:00:6d:55:53:d6:7a:d6:20:0c:15
Signer

Actual PE Digest

0e:e2:2d:ce:ca:b4:72:13:e5:54:2e:b0:72:3f:55:95:67:63:00:b8:38:74:00:6d:55:53:d6:7a:d6:20:0c:15

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

mscoree

_CorExeMain

Sections

.text
Size: 4.8MB - Virtual size: 4.8MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 296KB - Virtual size: 295KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 12B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f34d5f2d4577ed6d9ceec516c1f5a744

Code Sign

45:e6:bb:03:83:33:c3:85:65:48:e6:ff:45:51Certificate

Key Usages

01:ec:1c:92:40:de:fd:2e:40:5d:7c:47:74Certificate

Key Usages

01:07:64:9b:08:b0:a7:fe:7d:d6:54:a8:f2:f4:29:f6Certificate

Extended Key Usages

Key Usages

77:bd:0e:05:b7:59:0b:b6:1d:47:61:53:1e:3f:75:edCertificate

Extended Key Usages

Key Usages

42:37:2f:34:a1:e9:3d:78:56:c7:32:5eCertificate

Extended Key Usages

Key Usages

0e:e2:2d:ce:ca:b4:72:13:e5:54:2e:b0:72:3f:55:95:67:63:00:b8:38:74:00:6d:55:53:d6:7a:d6:20:0c:15Signer

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 4.8MB - Virtual size: 4.8MB

.rsrc Size: 296KB - Virtual size: 295KB

.reloc Size: 512B - Virtual size: 12B

45:e6:bb:03:83:33:c3:85:65:48:e6:ff:45:51
Certificate

01:ec:1c:92:40:de:fd:2e:40:5d:7c:47:74
Certificate

01:07:64:9b:08:b0:a7:fe:7d:d6:54:a8:f2:f4:29:f6
Certificate

77:bd:0e:05:b7:59:0b:b6:1d:47:61:53:1e:3f:75:ed
Certificate

42:37:2f:34:a1:e9:3d:78:56:c7:32:5e
Certificate

0e:e2:2d:ce:ca:b4:72:13:e5:54:2e:b0:72:3f:55:95:67:63:00:b8:38:74:00:6d:55:53:d6:7a:d6:20:0c:15
Signer

.text
Size: 4.8MB - Virtual size: 4.8MB

.rsrc
Size: 296KB - Virtual size: 295KB

.reloc
Size: 512B - Virtual size: 12B