Behavioral task
behavioral1
Sample
2024-01-27_5a281e5623ec3e0ecddeb2a28f167d25_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-27_5a281e5623ec3e0ecddeb2a28f167d25_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-01-27_5a281e5623ec3e0ecddeb2a28f167d25_cryptolocker
-
Size
64KB
-
MD5
5a281e5623ec3e0ecddeb2a28f167d25
-
SHA1
75fa001220c234820acb2a80df9e37bc55b532c2
-
SHA256
8b9a9804355f95476abf1d22a1fba52cfe63954c0f85ec7eb27f64f52132b00d
-
SHA512
2289cc64b23d180983bd3417c5850982d126928f4cf460e5ca552d1df303a479b716eb2ae45a49db37f671312006150fe28a0f943cd84acd0103cf2b7e489070
-
SSDEEP
768:T6LsoEEeegiZPvEhHSG+gXfum/kLyMro2GtOOtEvwDpjh:T6QFElP6n+gXGmddpMOtEvwDpj
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 2024-01-27_5a281e5623ec3e0ecddeb2a28f167d25_cryptolocker
Files
-
2024-01-27_5a281e5623ec3e0ecddeb2a28f167d25_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