Behavioral task
behavioral1
Sample
Messenger.scr
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
Messenger.scr
Resource
win10v2004-20231215-en
General
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Target
2592603ece8d07e4daf7deb57e3d8c01
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Size
147KB
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MD5
2592603ece8d07e4daf7deb57e3d8c01
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SHA1
21dc86b2d025ba5dcdf503671ba57ae26fafce55
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SHA256
665e2bde2c0c9424bfc4652117709ebc387a58046a4c6bad9c115cc7e23ee2b7
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SHA512
5f10343d0ac187a38eae8d420e7d9557b68eeb2e331b30adcb29ad3187956666dfdab4b313054466de14395c379d5f05240f8efd2f768ead47f8e0a40b4d4fc9
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SSDEEP
3072:C7QdZ6PZ6MTICX5XyVklVyrOjmj1BC89Nnw+AB4O+PEwx2gb:aG6xZECJXHd61Q8s+ZTDb
Malware Config
Signatures
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resource yara_rule static1/unpack001/Messenger.scr upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/Messenger.scr unpack002/out.upx
Files
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2592603ece8d07e4daf7deb57e3d8c01.zip
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Messenger.scr.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
UPX0 Size: - Virtual size: 256KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 145KB - Virtual size: 148KB
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 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
CODE Size: 308KB - Virtual size: 307KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 3KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 16B
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 22KB - Virtual size: 21KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 25KB - Virtual size: 25KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ