b3fbe8e5905d8acc91308435aa04e6f2[.]exe

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General

Target

b3fbe8e5905d8acc91308435aa04e6f2.exe
Size

3.7MB
MD5

b3fbe8e5905d8acc91308435aa04e6f2
SHA1

9e7de9a1f2005bffbd9a6949fb098752001600ab
SHA256

90cd3c985ef79952b2fb86298035aeebdca818b35041120ddf0c67d48e0fe383
SHA512

028950885237f1a02d018bfc9705136bb6a6ab3e57512deb05191fdae629f791793dd84c435bc2360b06d4d31fbfefac9ee864bfad4b7a8fb1bfde1d27132581
SSDEEP

49152:UX2JWJuWy4rOP78N2xTS/Q6TNMAeGG+wqkDdWcuZC9baVhLKIyOnxLy5/INYO:8AqA4bNMAeLVdWRC9bO2IyOnhJYO

Score

7^/10

Malware Config

Signatures

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
sample	net_reactor

Files

b3fbe8e5905d8acc91308435aa04e6f2.exe
.exe windows:4 windows x86 arch:x86

f34d5f2d4577ed6d9ceec516c1f5a744

Code Sign

6d:3e:11:99:42:e0:fa:b0:48:52:41:ac:c6:d3:90:32
Certificate

Issuer

CN=Hewlett-Packard Company /silver/

Not Before

18/11/2023, 19:43

Not After

19/11/2033, 19:43

Subject

CN=Hewlett-Packard Company /silver/

39:4c:25:e1:7c:a0:6d:27:a8:65:e2:3b:d9:1d:22:d4
Certificate

Issuer

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

Not Before

03/05/2023, 00:00

Not After

02/08/2034, 23:59

Subject

CN=Sectigo RSA Time Stamping Signer #4,O=Sectigo Limited,ST=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

7b:89:d6:2a:43:ec:43:ca:42:41:f5:27:b6:da:da:85:c5:0f:79:f2:e9:0a:b1:a5:e3:be:82:f3:58:f9:f4:f7
Signer

Actual PE Digest

7b:89:d6:2a:43:ec:43:ca:42:41:f5:27:b6:da:da:85:c5:0f:79:f2:e9:0a:b1:a5:e3:be:82:f3:58:f9:f4:f7

Digest Algorithm

sha256

PE Digest Matches

false

Headers

DLL Characteristics

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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

mscoree

_CorExeMain

Sections

.text
Size: 3.6MB - Virtual size: 3.6MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 69KB - Virtual size: 68KB

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

6d:3e:11:99:42:e0:fa:b0:48:52:41:ac:c6:d3:90:32Certificate

39:4c:25:e1:7c:a0:6d:27:a8:65:e2:3b:d9:1d:22:d4Certificate

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

7b:89:d6:2a:43:ec:43:ca:42:41:f5:27:b6:da:da:85:c5:0f:79:f2:e9:0a:b1:a5:e3:be:82:f3:58:f9:f4:f7Signer

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 3.6MB - Virtual size: 3.6MB

.rsrc Size: 69KB - Virtual size: 68KB

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

6d:3e:11:99:42:e0:fa:b0:48:52:41:ac:c6:d3:90:32
Certificate

39:4c:25:e1:7c:a0:6d:27:a8:65:e2:3b:d9:1d:22:d4
Certificate

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

7b:89:d6:2a:43:ec:43:ca:42:41:f5:27:b6:da:da:85:c5:0f:79:f2:e9:0a:b1:a5:e3:be:82:f3:58:f9:f4:f7
Signer

.text
Size: 3.6MB - Virtual size: 3.6MB

.rsrc
Size: 69KB - Virtual size: 68KB

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