Static task
static1
Behavioral task
behavioral1
Sample
2024-05-28_bff31bb8ad8c9f88c975a71e20a0ff47_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-28_bff31bb8ad8c9f88c975a71e20a0ff47_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-28_bff31bb8ad8c9f88c975a71e20a0ff47_cryptolocker
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Size
43KB
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MD5
bff31bb8ad8c9f88c975a71e20a0ff47
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SHA1
715041b206f75b91d14b8b25e254ad57cd5aa1de
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SHA256
3e5e588dd4e868a45b7bc5bd1378f6dd3463bcbd2a00057655aee731ad35ddad
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SHA512
df8ed14deb491e2a606353d7948a5a69f3b7fdfb7a7e68cae48dd6be66f0556bc3518ebd3f5d8dc07427ff18e96d42813885b2eae93693178b91487a7b859b91
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/yYsZCl:i5nkFGMOtEvwDpjR+viHscl
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-28_bff31bb8ad8c9f88c975a71e20a0ff47_cryptolocker
Files
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2024-05-28_bff31bb8ad8c9f88c975a71e20a0ff47_cryptolocker.exe windows:5 windows x86 arch:x86
e021c9fc2c12265365fad587d43783fe
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
GetModuleHandleA
GetProcAddress
user32
EndPaint
gdi32
CreateFontIndirectA
Sections
.MPRESS1 Size: 10KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 910B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE