Behavioral task
behavioral1
Sample
4b406f55d8d4db9871c2d196e0e07c5a460b4b9c2384be3f3664421c4d840fe1_JC.exe
Resource
win7-20230831-en
General
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Target
4b406f55d8d4db9871c2d196e0e07c5a460b4b9c2384be3f3664421c4d840fe1_JC.exe
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Size
9.1MB
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MD5
249bc39fa57555d6af605fb123f19e53
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SHA1
0298fb3e115fd2a8b0199628c70905a0befdc103
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SHA256
4b406f55d8d4db9871c2d196e0e07c5a460b4b9c2384be3f3664421c4d840fe1
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SHA512
852b59c4eca15f5ce4127c1fa165bba40685724a955c8b3af0fdf3f374ecadd04e101e7e1833a40bea2bfb290e6b1e5ac1f3548e53233bfd07bfd557b308e0ae
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SSDEEP
196608:D9PTPf+3AyyeW3d4PFMODyMHze6s7SW5BeNDz7a2v0MrslfbhRadTFO56Y04:JbPf+3A+WSPzZT6ScYz7vv4hRyEgY0
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 -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 4b406f55d8d4db9871c2d196e0e07c5a460b4b9c2384be3f3664421c4d840fe1_JC.exe unpack001/out.upx
Files
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4b406f55d8d4db9871c2d196e0e07c5a460b4b9c2384be3f3664421c4d840fe1_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: 2.3MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 9.1MB - Virtual size: 9.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 12KB - Virtual size: 16KB
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: 1.0MB - Virtual size: 1.0MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 10.0MB - Virtual size: 10.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 120KB - Virtual size: 350KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 28KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ