Behavioral task
behavioral1
Sample
2024-04-09_b28eb123e5ce9ff68601cd74dff34ca8_cryptolocker.exe
Resource
win7-20240319-en
Behavioral task
behavioral2
Sample
2024-04-09_b28eb123e5ce9ff68601cd74dff34ca8_cryptolocker.exe
Resource
win10v2004-20240319-en
General
-
Target
2024-04-09_b28eb123e5ce9ff68601cd74dff34ca8_cryptolocker
-
Size
87KB
-
MD5
b28eb123e5ce9ff68601cd74dff34ca8
-
SHA1
6c7ce342a0f4891fa092f2e82ef14161cd3f22db
-
SHA256
87fdf1d7a716c4a959fda3f61be7b3840fe58250d9a01fa3d8eab1b122328ef4
-
SHA512
471869227dec2da2c76348a385b5aa4e3e02a830a422e24ff650ef35520c2294f5a0cf570da9b8714871a94baf4332f7f1d4798e27619188cf20a5e30c94c07c
-
SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMg7vc:AnBdOOtEvwDpj6zs
Malware Config
Signatures
-
Detection of CryptoLocker Variants 2 IoCs
resource yara_rule sample CryptoLocker_rule2 static1/unpack001/out.upx CryptoLocker_rule2 -
Detection of Cryptolocker Samples 2 IoCs
resource yara_rule sample CryptoLocker_set1 static1/unpack001/out.upx CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-04-09_b28eb123e5ce9ff68601cd74dff34ca8_cryptolocker unpack001/out.upx
Files
-
2024-04-09_b28eb123e5ce9ff68601cd74dff34ca8_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
Sections
UPX0 Size: - 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
-
out.upx.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
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ