Behavioral task
behavioral1
Sample
2024-06-04_a1c5dcb9c4913ebeb9459d0fa9f66045_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-06-04_a1c5dcb9c4913ebeb9459d0fa9f66045_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-04_a1c5dcb9c4913ebeb9459d0fa9f66045_cryptolocker
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Size
52KB
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MD5
a1c5dcb9c4913ebeb9459d0fa9f66045
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SHA1
ae296d29fa52a58a1b091c2e58b23346077ef985
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SHA256
96f5198859c755aa0c87d81caee05006138acd27edbeaa95e3e807c2f6f0101d
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SHA512
0d56dbca727926e67d6ae25bae838ec7247de0e25ccf44a137d568ed2297d8d2a592beef41629b9597a49922bf7e2d962db7214ca9cf737bb1f4b75b0b73e65d
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtO3:bODOw9acifAoc+vE
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-06-04_a1c5dcb9c4913ebeb9459d0fa9f66045_cryptolocker
Files
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2024-06-04_a1c5dcb9c4913ebeb9459d0fa9f66045_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: 16KB - 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
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE