Behavioral task
behavioral1
Sample
USPS_Document/USPS_Document.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
USPS_Document/USPS_Document.exe
Resource
win10v2004-20231215-en
General
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Target
5f925026e9be97bc7074661c5737c0c0
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Size
66KB
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MD5
5f925026e9be97bc7074661c5737c0c0
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SHA1
b31873e12d68f96f2c7669eba93bfd7d5c2b3595
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SHA256
593aca9d217f833ea44996a204634b3a0bc9ec5b3f6c351b91f417bdfffadd44
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SHA512
acb689dcc959cbd6c11a244e84c7c5ee507c84ea7d5942d4ec522b82d3a2da8ff90c38ebafa82000c4c405e382d0b05c500e16dabad31299a0e17bf9688bcb89
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SSDEEP
1536:pq1sxsjAUt2M7rtekpIaM/XT7QO/HBH6qWk46gkj5R3:pqwsTt20maM/XT7QOZ3W96gkdR
Malware Config
Signatures
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resource yara_rule static1/unpack002/USPS_Document/USPS_Document.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack002/USPS_Document/USPS_Document.exe unpack003/out.upx
Files
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5f925026e9be97bc7074661c5737c0c0.eml
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attachment-3.zip
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USPS_Document/USPS_Document.exe.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_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 148KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 44KB - Virtual size: 48KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - 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_32BIT_MACHINE
Sections
CODE Size: 46KB - Virtual size: 45KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 31KB - Virtual size: 75KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 4KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 4KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 33KB - Virtual size: 36KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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email-html-2.txt.html
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email-plain-1.txt