Behavioral task
behavioral1
Sample
a77291b9c95d8f05e2e48dbc771d2e72eafe240375acaf4b14c5081e2ad5e7bb.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a77291b9c95d8f05e2e48dbc771d2e72eafe240375acaf4b14c5081e2ad5e7bb.exe
Resource
win10v2004-20240508-en
General
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Target
a77291b9c95d8f05e2e48dbc771d2e72eafe240375acaf4b14c5081e2ad5e7bb
-
Size
6.5MB
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MD5
4d3f52d5fe614de706e3aa2e0287f105
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SHA1
6c83b47012722a6c096e5d5b950c5ea18cf5a040
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SHA256
a77291b9c95d8f05e2e48dbc771d2e72eafe240375acaf4b14c5081e2ad5e7bb
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SHA512
16e2d7d3f9f718eec9ef37c3993ade898751ca5380bd5312db73e16b008c09f866b93661eb72e00e4eb5db69c248e905698624c082489075cb4a097aa44fe71a
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SSDEEP
49152:lld222222222222222222222222222222Y:llG
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 a77291b9c95d8f05e2e48dbc771d2e72eafe240375acaf4b14c5081e2ad5e7bb unpack001/out.upx
Files
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a77291b9c95d8f05e2e48dbc771d2e72eafe240375acaf4b14c5081e2ad5e7bb.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NO_SEH
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: 92KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 65KB - Virtual size: 68KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX2 Size: 512B - 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 x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NO_SEH
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: 57KB - Virtual size: 57KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.orpc Size: 7KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
DATA Size: 11KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
INIT Size: 24KB - Virtual size: 48KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE