Static task
static1
Behavioral task
behavioral1
Sample
1002.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
1002.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
1003.exe
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
1003.exe
Resource
win10v2004-20240508-en
General
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Target
CryptoLocker_22Jan2014.zip
-
Size
335KB
-
MD5
3c877dfd0d60572be7c939c08c39866d
-
SHA1
07789609b3dff0b2f2b0acadc4a57e1c50e9eea3
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SHA256
e908dca957b9cb7759feeabef0f2921e3cb236368acc5e124e87af0492308b14
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SHA512
b2a392b84cc763e0fd248424f077d6cd4b94e86ba43cbef49e967f974ee0fad503f1556b847f4484343e8fad57a64542a9f1007ed13dcfe78936ce19110cfde3
-
SSDEEP
6144:PSozcLbI3ddbOWmhDSVcblDJkEtQJgadWBGLRJPsMhSLNIPMbKrd1ygGQCcG1CgH:KJLs3dd6WUqcxDvcgad0EcISiP2wo5H
Malware Config
Signatures
-
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/1002.exe unpack001/1003.exe
Files
-
CryptoLocker_22Jan2014.zip.zip
Password: infected
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1002.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 247KB - Virtual size: 247KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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1003.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 251KB - Virtual size: 251KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ