redline | Kurome[.]Builder[.]zip

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General

Target

Kurome.Builder.zip
Size

450KB
MD5

2c0a92d2d6cc9a1e570ac0ffb5a335d1
SHA1

04cdfd08c2d166bfd4059874c690113856879e49
SHA256

f0fd88b23c3b44623f387a568c81b699f2ef79f6713187af9127cad49639d6eb
SHA512

1b01586cecbe03a2b9126e961eca204d30b37b15eccdad840ad1adf20ff4125eb57bb13e0cb601a2a88810a16095fb4cad14a3aa085a40bf1988a532d76e23bd
SSDEEP

12288:sxmWWGlVF8ELMlRgytbBQaUM7Z50F3fhsvUb14Kc2IaJqYV6at:scDY2wMHgytFDYdhsvUWvU9V1

Score

10^/10

redline sectoprat

Malware Config

Signatures

RedLine payload 1 IoCs

resource	yara_rule
static1/unpack001/Kurome.Builder/stub.dll	family_redline

Redline family
redline

SectopRAT payload 1 IoCs

resource	yara_rule
static1/unpack001/Kurome.Builder/stub.dll	family_sectoprat

Sectoprat family
sectoprat

Unsigned PE 6 IoCs

Checks for missing Authenticode signature.

resource
unpack001/Kurome.Builder/Kurome.Builder.exe
unpack001/Kurome.Builder/Mono.Cecil.Mdb.dll
unpack001/Kurome.Builder/Mono.Cecil.Pdb.dll
unpack001/Kurome.Builder/Mono.Cecil.Rocks.dll
unpack001/Kurome.Builder/Mono.Cecil.dll
unpack001/Kurome.Builder/stub.dll

Files

Kurome.Builder.zip
.zip
Kurome.Builder/Kurome.Builder.exe
.exe windows x86

f34d5f2d4577ed6d9ceec516c1f5a744

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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE

Imports

mscoree

_CorExeMain

Sections

.text
Size: 135KB - Virtual size: 134KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1KB - 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
Kurome.Builder/Kurome.Builder.exe.config
Kurome.Builder/Kurome.Builder.pdb
Kurome.Builder/Mono.Cecil.Mdb.dll
.dll windows x86

dae02f32a21e03ce65412f6e56942daa

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_LARGE_ADDRESS_AWARE

Imports

mscoree

_CorDllMain

Sections

.text
Size: 40KB - Virtual size: 39KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 864B

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
Kurome.Builder/Mono.Cecil.Mdb.pdb
Kurome.Builder/Mono.Cecil.Pdb.dll
.dll windows x86

dae02f32a21e03ce65412f6e56942daa

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_LARGE_ADDRESS_AWARE

Imports

mscoree

_CorDllMain

Sections

.text
Size: 85KB - Virtual size: 85KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 864B

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
Kurome.Builder/Mono.Cecil.Pdb.pdb
Kurome.Builder/Mono.Cecil.Rocks.dll
.dll windows x86

dae02f32a21e03ce65412f6e56942daa

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_LARGE_ADDRESS_AWARE

Imports

mscoree

_CorDllMain

Sections

.text
Size: 25KB - Virtual size: 24KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 876B

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
Kurome.Builder/Mono.Cecil.Rocks.pdb
Kurome.Builder/Mono.Cecil.dll
.dll windows x86

dae02f32a21e03ce65412f6e56942daa

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_LARGE_ADDRESS_AWARE

Imports

mscoree

_CorDllMain

Sections

.text
Size: 348KB - Virtual size: 347KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1024B - Virtual size: 840B

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
Kurome.Builder/Mono.Cecil.pdb
Kurome.Builder/stub.dll
.exe windows x86

f34d5f2d4577ed6d9ceec516c1f5a744

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: 94KB - Virtual size: 93KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rsrc
Size: 1KB - 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

Signatures

Files

f34d5f2d4577ed6d9ceec516c1f5a744

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 135KB - Virtual size: 134KB

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

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

dae02f32a21e03ce65412f6e56942daa

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 40KB - Virtual size: 39KB

.rsrc Size: 1024B - Virtual size: 864B

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

dae02f32a21e03ce65412f6e56942daa

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 85KB - Virtual size: 85KB

.rsrc Size: 1024B - Virtual size: 864B

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

dae02f32a21e03ce65412f6e56942daa

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 25KB - Virtual size: 24KB

.rsrc Size: 1024B - Virtual size: 876B

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

dae02f32a21e03ce65412f6e56942daa

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 348KB - Virtual size: 347KB

.rsrc Size: 1024B - Virtual size: 840B

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

f34d5f2d4577ed6d9ceec516c1f5a744

Headers

DLL Characteristics

File Characteristics

Imports

mscoree

Sections

.text Size: 94KB - Virtual size: 93KB

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

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

.text
Size: 135KB - Virtual size: 134KB

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

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

.text
Size: 40KB - Virtual size: 39KB

.rsrc
Size: 1024B - Virtual size: 864B

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

.text
Size: 85KB - Virtual size: 85KB

.rsrc
Size: 1024B - Virtual size: 864B

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

.text
Size: 25KB - Virtual size: 24KB

.rsrc
Size: 1024B - Virtual size: 876B

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

.text
Size: 348KB - Virtual size: 347KB

.rsrc
Size: 1024B - Virtual size: 840B

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

.text
Size: 94KB - Virtual size: 93KB

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

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