Behavioral task
behavioral1
Sample
2024-05-21_8ce984931e7724f99f2493f541586f28_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-21_8ce984931e7724f99f2493f541586f28_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-21_8ce984931e7724f99f2493f541586f28_cryptolocker
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Size
89KB
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MD5
8ce984931e7724f99f2493f541586f28
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SHA1
34984bbe535c18a06b9f837134089751ef165eab
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SHA256
9406361feac84c30660cebab20a043f14f35d8850fb147c3661f05d768f47f86
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SHA512
9766a9a0af058a0d8db2ea564312a6662584b6a5a7d31351ca04ea1550ad6927264a223301165e4bce74e145e0a9086d71aacb0d72bc2177be092e91bd1e2933
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgIiW:AnBdOOtEvwDpj6zk
Malware Config
Signatures
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Detection of CryptoLocker Variants 2 IoCs
Processes:
resource yara_rule sample CryptoLocker_rule2 static1/unpack001/out.upx CryptoLocker_rule2 -
Detection of Cryptolocker Samples 2 IoCs
Processes:
resource yara_rule sample CryptoLocker_set1 static1/unpack001/out.upx CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
Processes:
resource yara_rule sample UPX -
Processes:
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
Processes:
resource 2024-05-21_8ce984931e7724f99f2493f541586f28_cryptolocker unpack001/out.upx
Files
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2024-05-21_8ce984931e7724f99f2493f541586f28_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
Sections
UPX0 Size: - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.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
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ