Behavioral task
behavioral1
Sample
Signed Contract.exe
Resource
win7-20240903-en
General
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Target
24092024_1247_23092024_Signed Contract.zip
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Size
749KB
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MD5
32dfad980ef52e9de8c75e5c86d05dcf
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SHA1
52f8ac56a41e1437d9da3e64a12388f259d65e81
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SHA256
0cfdb411366e6a45b0338fa218caffca2ae946a324fab7b009147ed53e0edebd
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SHA512
443d7e324b25eb7d7c6d4fc77af93ebea4263d0532b383df2b3d4f35ca3c8d4f4ff61354e71a6be544c2ac15d1942b7971cc0223a8b52fd06d0523230c39394a
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SSDEEP
12288:h/gBT51V14eECqni+OaFAVk++bVsd61zQO+h5SATMnvrXZe53n:NgBTS7nt4CRPQHpTMvrXk3
Malware Config
Signatures
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AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule static1/unpack002/out.upx autoit_exe -
resource yara_rule static1/unpack001/Signed Contract.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/Signed Contract.exe unpack002/out.upx
Files
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24092024_1247_23092024_Signed Contract.zip.zip
Password: infected
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Signed Contract.exe.exe windows:5 windows x86 arch:x86
Password: infected
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 472KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 264KB - Virtual size: 268KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 29KB - Virtual size: 32KB
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
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 514KB - Virtual size: 513KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 56KB - Virtual size: 55KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 26KB - Virtual size: 105KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 37KB - Virtual size: 36KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ