Behavioral task
behavioral1
Sample
2024-03-12_7c1b739ca296c8f4830fb1838a2901aa_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-03-12_7c1b739ca296c8f4830fb1838a2901aa_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-12_7c1b739ca296c8f4830fb1838a2901aa_cryptolocker
-
Size
57KB
-
MD5
7c1b739ca296c8f4830fb1838a2901aa
-
SHA1
7eae06e749a1caba67cf4bbeb737ccaac855de75
-
SHA256
049c112cb80fa05f19d86c5d1a8a91498f9854d25f4665f4fd5fdcf200c147ff
-
SHA512
8d2e0de03fba3e7675688ee15b2ebdc08ec3bc7a8b81d5845396615b77453b7f3ef6a762c09a07ab4c39babc478980ceac73e947ac28f3da1a8cf4f18708ce9c
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ax8XilNB:z6QFElP6n+gKmddpMOtEvwDpj9aYaL/B
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 2024-03-12_7c1b739ca296c8f4830fb1838a2901aa_cryptolocker
Files
-
2024-03-12_7c1b739ca296c8f4830fb1838a2901aa_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