Behavioral task
behavioral1
Sample
2024-04-29_fe43ea455112ecccfaa43f85e29e0311_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-29_fe43ea455112ecccfaa43f85e29e0311_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-29_fe43ea455112ecccfaa43f85e29e0311_cryptolocker
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Size
32KB
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MD5
fe43ea455112ecccfaa43f85e29e0311
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SHA1
d70750d310310cd3e46b982efba810bb893260ea
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SHA256
267d18ef78111650af76c2a4d19ead7d14ca2aad842cc7d8a2eea0802ebec806
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SHA512
a8653b35799020f6f5c83802f3a341a24727801560f9d9cfbd9dbf7751dd524a18d775277bee83be44fcadfb6c0e51aeda19ad3dc03c95b0dcaac31bd7ec5a48
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SSDEEP
768:bFPm5zusFUB2preAr+Ofjg0S16avdrQFiLjJvt8:bFPmpiif/oc+v8
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 2024-04-29_fe43ea455112ecccfaa43f85e29e0311_cryptolocker unpack001/out.upx
Files
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2024-04-29_fe43ea455112ecccfaa43f85e29e0311_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