Behavioral task
behavioral1
Sample
99dab73879f33ef9a1b2a0b7d51a5f2075803a3556326cfb9bac5644fda3d7e2.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
99dab73879f33ef9a1b2a0b7d51a5f2075803a3556326cfb9bac5644fda3d7e2.exe
Resource
win10v2004-20240226-en
General
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Target
99dab73879f33ef9a1b2a0b7d51a5f2075803a3556326cfb9bac5644fda3d7e2
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Size
60KB
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MD5
381e3f3443eb66b3b2b3cf0d427e78f1
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SHA1
4f76bb70b785465ed609f866a6e596ba1fb0c9ff
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SHA256
99dab73879f33ef9a1b2a0b7d51a5f2075803a3556326cfb9bac5644fda3d7e2
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SHA512
97c0379e43c17c5dbbec76d1ad2deed25010f1a3a23b6656a770634e09143879c42de69eeb3b35511aab735deff60b57918ec34db16000602c0e2297cbe87a6c
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SSDEEP
768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uAFzh:CTWn1++PJHJXA/OsIZfzc3/Q8zx5858J
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 99dab73879f33ef9a1b2a0b7d51a5f2075803a3556326cfb9bac5644fda3d7e2 unpack001/out.upx
Files
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99dab73879f33ef9a1b2a0b7d51a5f2075803a3556326cfb9bac5644fda3d7e2.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: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 4KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 4KB
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
.text Size: 8KB - Virtual size: 5KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 352B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ