Behavioral task
behavioral1
Sample
2024-05-16_d8b60335afbea158f7828a9522badcd2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-16_d8b60335afbea158f7828a9522badcd2_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-16_d8b60335afbea158f7828a9522badcd2_cryptolocker
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Size
33KB
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MD5
d8b60335afbea158f7828a9522badcd2
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SHA1
cf4d302945504f9536fe14c4a60eaec425b6ba7b
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SHA256
a88eeb42c519f711b40152280da5345249b88a11fc3de42c86df50a7b931978b
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SHA512
89cda27010e2ecbf77da57e803fffe0270640eb8dbebdf40f8054346cfe364bff582361200a7fa8114c1d49c3ad05d3f9bc79e52c8f4402f2d30459076f939fb
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SSDEEP
768:bFPm5zusFUB2preAr+Ofjg0S16avdrQFiLjJvtXa:bFPmpiif/oc+vXa
Malware Config
Signatures
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Detection of CryptoLocker Variants 2 IoCs
resource yara_rule sample CryptoLocker_rule2 static1/unpack001/out.upx CryptoLocker_rule2 -
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 2024-05-16_d8b60335afbea158f7828a9522badcd2_cryptolocker unpack001/out.upx
Files
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2024-05-16_d8b60335afbea158f7828a9522badcd2_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: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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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
.data Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ