Behavioral task
behavioral1
Sample
1f0a89360bb9471af8b2b1136eafd65f.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
1f0a89360bb9471af8b2b1136eafd65f.exe
Resource
win10v2004-20231215-en
General
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Target
1f0a89360bb9471af8b2b1136eafd65f
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Size
250KB
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MD5
1f0a89360bb9471af8b2b1136eafd65f
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SHA1
a7bd3592ff31c5c659cda9810936ddce842d6590
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SHA256
2a23fac4cfa697cc738d633ec00f3fbe93ba22d2498f14dea08983026fdf128a
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SHA512
c696ee6a3a65cf01f120724c8536d14bbdc5283e6a62e1a26454629ea30c4015d62c1ba6139ca158f9952d6028ea7d9a1f76a4d2adad4e3a377d06607f5ad031
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SSDEEP
6144:bAr3VCaIjpP65V3Q400RwDym6flM5OPh2r:bAr3VCMP00RwDymd5Uh2r
Malware Config
Signatures
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Detect LockFile payload 1 IoCs
resource yara_rule static1/unpack001/out.upx family_lockfile -
Lockfile family
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 1f0a89360bb9471af8b2b1136eafd65f unpack001/out.upx
Files
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1f0a89360bb9471af8b2b1136eafd65f.exe windows:5 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
UPX0 Size: - Virtual size: 612KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 248KB - Virtual size: 248KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:5 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
.text Size: 391KB - Virtual size: 390KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 147KB - Virtual size: 146KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 245KB - Virtual size: 268KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 19KB - Virtual size: 18KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
_RDATA Size: 512B - Virtual size: 244B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 512B - Virtual size: 480B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 6KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ