Behavioral task
behavioral1
Sample
3aaaf2e6d3f3607c32f96c9e72993f04_JC.exe
Resource
win7-20230831-en
General
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Target
3aaaf2e6d3f3607c32f96c9e72993f04_JC.exe
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Size
4.7MB
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MD5
3aaaf2e6d3f3607c32f96c9e72993f04
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SHA1
6b2ce0ec9446d7bce02c591ff490332cd0c77193
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SHA256
6d5479adcfa4c31ad565ab40d2ea8651bed6bd68073c77636d1fe86d55d90c8d
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SHA512
f8da05cec8eabe85ceb1ea7621009b5da6752fa7364f299e05bfe425cfd3639b7d20e4666d336579fabc5ecf2886f9eaf2479a7bd0e190b2a5c3e8dbd633398a
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SSDEEP
98304:4Xl2HNWwT+ZzNoa/AaJjCE4Sots8/DzYJ971NRQMSIz/Lge5Q7da+pwY2mmXtUgs:4oH0WMhJWd+8/iR1NKM5rQ7PwY2mmXtU
Malware Config
Signatures
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Blackmoon family
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Detect Blackmoon payload 1 IoCs
resource yara_rule static1/unpack001/out.upx family_blackmoon -
Mimikatz family
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mimikatz is an open source tool to dump credentials on Windows 1 IoCs
resource yara_rule static1/unpack001/out.upx mimikatz -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 3aaaf2e6d3f3607c32f96c9e72993f04_JC.exe unpack001/out.upx -
NSIS installer 1 IoCs
resource yara_rule static1/unpack001/out.upx nsis_installer_2
Files
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3aaaf2e6d3f3607c32f96c9e72993f04_JC.exe.exe windows:4 windows 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: 1.3MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 4.7MB - Virtual size: 4.7MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX2 Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:4 windows 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: 368KB - Virtual size: 364KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 28KB - Virtual size: 26KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 5.4MB - Virtual size: 5.6MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE