Behavioral task
behavioral1
Sample
91f7fd3b73754bb1568c28bdb66fabbf_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
91f7fd3b73754bb1568c28bdb66fabbf_JC.exe
Resource
win10v2004-20230915-en
General
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Target
91f7fd3b73754bb1568c28bdb66fabbf_JC.exe
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Size
148KB
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MD5
91f7fd3b73754bb1568c28bdb66fabbf
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SHA1
cdc864d48a5b8f2fda9248cfea48d986df97383e
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SHA256
f42875acfd83ff68b6b2a1f2b0752c23876b25333d846e5d9559b6f206750454
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SHA512
9be8239fa196dbcef4911928ae58cdac4ea5d83dde2d5bd739316bef5a84a4ec5a80d664e3641597bbc149b659639e0a4c275f1dbf5fa7bde1ed0b51d8597c2f
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SSDEEP
3072:+Kjntrgpq7EB8Plv02Ms8Zy4ZSptu8gJq3L1iEfVfA:+Kjt1jc2MpR8Kq7YEe
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 91f7fd3b73754bb1568c28bdb66fabbf_JC.exe unpack001/out.upx
Files
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91f7fd3b73754bb1568c28bdb66fabbf_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
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: - Virtual size: 324KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 139KB - Virtual size: 140KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - Virtual size: 12KB
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
IMAGE_FILE_DEBUG_STRIPPED
Sections
.MPRESS1 Size: 436KB - Virtual size: 436KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pb Size: 3KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE