Behavioral task
behavioral1
Sample
2024-04-29_b0cd86ee051c89f387ccd9f2eaea166d_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-29_b0cd86ee051c89f387ccd9f2eaea166d_cryptolocker.exe
Resource
win10v2004-20240419-en
General
-
Target
2024-04-29_b0cd86ee051c89f387ccd9f2eaea166d_cryptolocker
-
Size
99KB
-
MD5
b0cd86ee051c89f387ccd9f2eaea166d
-
SHA1
709a79762c87f4862086df335b4403d596f9ee5c
-
SHA256
0cacf4c8e531be827e0bf2c89cd7bf27cb7e6652e23962af0f8ff93f44719397
-
SHA512
cde8a3451297589b1dfb2a4f9290f8c02f908946c5c2d92fe62a2f7f3eb14aa7473af8a0a065818aa268b6449ceffad73dabac097551d038397413fd9ce3b5d7
-
SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbbr/BKiX7R:z6a+CdOOtEvwDpjc5
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-29_b0cd86ee051c89f387ccd9f2eaea166d_cryptolocker
Files
-
2024-04-29_b0cd86ee051c89f387ccd9f2eaea166d_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE