Behavioral task
behavioral1
Sample
2024-01-23_a87bc6044b41f6fa203c73f36a1aa5f0_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-23_a87bc6044b41f6fa203c73f36a1aa5f0_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-01-23_a87bc6044b41f6fa203c73f36a1aa5f0_cryptolocker
-
Size
64KB
-
MD5
a87bc6044b41f6fa203c73f36a1aa5f0
-
SHA1
17a669e2569710f55f19f4b98bfe9162794cf6e1
-
SHA256
d7575b48df353b5ac10751fc9aaa9f467f2b86afc47dd609624791405a1fe1e8
-
SHA512
9614efb5570435436c803256765f0b148990e83e6745f7c0a252258ed8771c7536fa1a212e6ed0b2243704657f4b8f522ab959ba21ecd9577f7d4ed65c3c2b6e
-
SSDEEP
768:T6LsoEEeegiZPvEhHSG+g0num/kLyMro2GtOOtEvwDpjh:T6QFElP6n+g0umddpMOtEvwDpj
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 2024-01-23_a87bc6044b41f6fa203c73f36a1aa5f0_cryptolocker
Files
-
2024-01-23_a87bc6044b41f6fa203c73f36a1aa5f0_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_CODE
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