Static task
static1
Behavioral task
behavioral1
Sample
2024-04-20_b900bad779bf3dbc1db255b34a089e2e_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-20_b900bad779bf3dbc1db255b34a089e2e_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-20_b900bad779bf3dbc1db255b34a089e2e_cryptolocker
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Size
40KB
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MD5
b900bad779bf3dbc1db255b34a089e2e
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SHA1
62df6108d5908ab0194ec30a7da600f121427699
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SHA256
7d21e9e7a077190e84cc3574c00e92743b0960a7caf0b95ad0f7254bf78b4e36
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SHA512
35f3f803fd71d3e9e311ad34eefa8711d5cc25b2eba32c54453c71939a3b4c0980f50bb3ea94ff776f6393fd48e756e7a20597d81ff73f00d79cee58f0a0042a
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SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/yYsZK:i5nkFGMOtEvwDpjR+viHsg
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 2024-04-20_b900bad779bf3dbc1db255b34a089e2e_cryptolocker
Files
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2024-04-20_b900bad779bf3dbc1db255b34a089e2e_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