Static task
static1
Behavioral task
behavioral1
Sample
2024-03-14_a40721a902d6a7bb5303687b2417ee80_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-14_a40721a902d6a7bb5303687b2417ee80_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-14_a40721a902d6a7bb5303687b2417ee80_cryptolocker
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Size
87KB
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MD5
a40721a902d6a7bb5303687b2417ee80
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SHA1
a5e28dbfd42dd796cebcda8340ed9cb0e77b4c95
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SHA256
9365305a963dddb018efd24d6ddb185a58730e511d06db2a77a2364e984cb08a
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SHA512
a9ec9964db1a40b2b6f11fdffa25af07df4412b0c18d086cde046247396ee953aa10b20369e629c41f3b886370762698afb4685e0974c4b459a6aaaf806283a4
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvAc/9:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8Acl
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 2024-03-14_a40721a902d6a7bb5303687b2417ee80_cryptolocker
Files
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2024-03-14_a40721a902d6a7bb5303687b2417ee80_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