Behavioral task
behavioral1
Sample
81da8dc66dd68c4fe2d38f3daaa7ef6ad3a19783c07a0b416034c1e9aed7a775.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
81da8dc66dd68c4fe2d38f3daaa7ef6ad3a19783c07a0b416034c1e9aed7a775.exe
Resource
win10v2004-20240226-en
General
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Target
81da8dc66dd68c4fe2d38f3daaa7ef6ad3a19783c07a0b416034c1e9aed7a775
-
Size
316KB
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MD5
4948062bb8726b0c732d58f58a56557c
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SHA1
c935e03ce54f9ad3be627cbae7ca81e118c9e8b1
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SHA256
81da8dc66dd68c4fe2d38f3daaa7ef6ad3a19783c07a0b416034c1e9aed7a775
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SHA512
6f460e4de7b0bd2a1cb66b5d17be6772a103321486caaa75fc5080243c6d60266becf302bef7a0dc2e8db9b3c963a68f12693a5b99af2a81f34cd6b42a94a2c2
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SSDEEP
6144:0USiZTK40qIs9GQnp+ljF+JSV2EHh3RSj0LUxEA/+gQzQfFnUD+ehocGIRbhosP+:0UvRK4T9jp+1NV2EHh3RSILcE+9QzQpZ
Malware Config
Signatures
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UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 81da8dc66dd68c4fe2d38f3daaa7ef6ad3a19783c07a0b416034c1e9aed7a775 unpack001/out.upx
Files
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81da8dc66dd68c4fe2d38f3daaa7ef6ad3a19783c07a0b416034c1e9aed7a775.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: 496KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 75KB - Virtual size: 76KB
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
.idata Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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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
.text Size: 256KB - Virtual size: 256KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 6KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 245KB - Virtual size: 293KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE