Static task
static1
Behavioral task
behavioral1
Sample
2024-04-06_a3d1c2cb491e58193e55779ef0aa4c0d_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-06_a3d1c2cb491e58193e55779ef0aa4c0d_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-06_a3d1c2cb491e58193e55779ef0aa4c0d_cryptolocker
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Size
101KB
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MD5
a3d1c2cb491e58193e55779ef0aa4c0d
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SHA1
4b2e3c0ddee5a13228ac59a53626fa3f06eac668
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SHA256
3a4dd0572f8992e8a3adcd91bfafb3585db0513e296717113e337248f00a5e9a
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SHA512
5da70b5eeb11153d12ee6ff25d55bd57802e399f7c0b9cf21d25f5dd7cca60923f7d86897aed0735941c01eb8af1bae38ef02c88f5c56782dab1d5c4a076bb25
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRiWjzUNu5e5:i5nkFGMOtEvwDpjNbwQEIikgN/
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 2024-04-06_a3d1c2cb491e58193e55779ef0aa4c0d_cryptolocker
Files
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2024-04-06_a3d1c2cb491e58193e55779ef0aa4c0d_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