Cryptor[.]exe | Triage

General

Target

Cryptor.exe
Size

2.9MB
MD5

9cc7cfafab5aae5d2195972959d19a5a
SHA1

53fd44f3b0536dbb19b637c0c3abe668c90495eb
SHA256

29bcb2897252575915b294651c85f176da314429fb2bc12696ef05f260abf869
SHA512

7d1333f7f4ca647907732b55809d4d1eb01f5b2b2654868444508d4be21ff4aeb7198d9ff9242e785d49d94304d0be20de28fc7d59dcf4f866a4af9e1d0ac07d
SSDEEP

49152:0G3XVai+IaMqPPgeT+B2GDsp8aTvMf1p8LEh3ZDJgD3WIPvozJO7caDV2aK:0qXVD7deT+spnU80JDJi3WgQtAVDcaK

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
sample	upx

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
Cryptor.exe
unpack001/out.upx

Files

Cryptor.exe
.exe windows:6 windows x64 arch:x64

Headers

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

Sections

UPX0
Size: - Virtual size: 2.4MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 2.9MB - Virtual size: 2.9MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX2
Size: 1KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe windows:6 windows x64 arch:x64

Headers

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

Sections

.text
Size: 3.7MB - Virtual size: 3.7MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1.4MB - Virtual size: 1.4MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 24KB - Virtual size: 27KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 82KB - Virtual size: 82KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 34KB - Virtual size: 33KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 2.4MB

UPX1 Size: 2.9MB - Virtual size: 2.9MB

UPX2 Size: 1KB - Virtual size: 4KB

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 3.7MB - Virtual size: 3.7MB

.rdata Size: 1.4MB - Virtual size: 1.4MB

.data Size: 24KB - Virtual size: 27KB

.pdata Size: 82KB - Virtual size: 82KB

_RDATA Size: 512B - Virtual size: 348B

.reloc Size: 34KB - Virtual size: 33KB

UPX0
Size: - Virtual size: 2.4MB

UPX1
Size: 2.9MB - Virtual size: 2.9MB

UPX2
Size: 1KB - Virtual size: 4KB

.text
Size: 3.7MB - Virtual size: 3.7MB

.rdata
Size: 1.4MB - Virtual size: 1.4MB

.data
Size: 24KB - Virtual size: 27KB

.pdata
Size: 82KB - Virtual size: 82KB

_RDATA
Size: 512B - Virtual size: 348B

.reloc
Size: 34KB - Virtual size: 33KB