xworm | RuntimeBroker[.]exe

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General

Target

RuntimeBroker.exe
Size

77KB
MD5

7f3d8bc2d995a6d0780aeb80c3172a82
SHA1

781de6ee7e83ce7d159031f16e9677d7aff91516
SHA256

4288137e125d257cce26bdabf57533f03f8aa7476ab6f3c33bc009d3a9f81df0
SHA512

a6997ecde20919abc259b37bd8352b79908e0a0aab6a78cb8293d676e1249af66deeffd8d545227b17513f725a22f0503fa321403cf3c4f40811f8d58cce87cd
SSDEEP

1536:N0A5d1cL+IvRpH4/NbbnjIvUG64OeTIOMbeeSTuX1kC47:NDq5pHyNb3MdTIOweeIK1kP7

Score

10^/10

xworm

Malware Config

Extracted

Family

xworm

K1NGonTop-39501.portmap.io:39501

<Xwormmm>:1

Attributes

Install_directory
%Public%
install_file
RuntimeBroker.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
sample	family_xworm

Xworm family
xworm

Files

RuntimeBroker.exe
.exe windows:4 windows x86 arch:x86

f34d5f2d4577ed6d9ceec516c1f5a744

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

01:39:dd:e1:19:bb:32:0d:fb:9f:5d:ef:e3:f7:12:45
Certificate

Issuer

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

Not Before

10-11-2021 00:00

Not After

09-11-2024 23:59

Subject

CN=Hangil IT Co.\, Ltd,O=Hangil IT Co.\, Ltd,ST=Seoul,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

57:b4:a7:fa:eb:ae:c4:9c:bf:cc:70:9c:60:f9:d6:6c:0d:81:ac:75
Signer

Actual PE Digest

57:b4:a7:fa:eb:ae:c4:9c:bf:cc:70:9c:60:f9:d6:6c:0d:81:ac:75

Digest Algorithm

sha1

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_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

mscoree

_CorExeMain

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

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

Extracted

Signatures

Files

f34d5f2d4577ed6d9ceec516c1f5a744

Code Sign

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

Extended Key Usages

Key Usages

01:39:dd:e1:19:bb:32:0d:fb:9f:5d:ef:e3:f7:12:45Certificate

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

57:b4:a7:fa:eb:ae:c4:9c:bf:cc:70:9c:60:f9:d6:6c:0d:81:ac:75Signer

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

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

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

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

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

01:39:dd:e1:19:bb:32:0d:fb:9f:5d:ef:e3:f7:12:45
Certificate

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

57:b4:a7:fa:eb:ae:c4:9c:bf:cc:70:9c:60:f9:d6:6c:0d:81:ac:75
Signer

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

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

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