Behavioral task
behavioral1
Sample
67c7aac49c15d531a11f38ceb5990f8fd4b5101935a1f6ec9e5cb50fd37cf35d.exe
Resource
win7-20240221-en
General
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Target
67c7aac49c15d531a11f38ceb5990f8fd4b5101935a1f6ec9e5cb50fd37cf35d
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Size
48KB
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MD5
8c13b09bef9cee11eccf1d3863a526d3
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SHA1
58f93ac69da70c4747b52ca47ac828c4185477a5
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SHA256
67c7aac49c15d531a11f38ceb5990f8fd4b5101935a1f6ec9e5cb50fd37cf35d
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SHA512
3de783f6bc27ab19fbf5bec2a772d0ddad0ba15d04b986399c0f732e2a039edc4301e69f73d0592e97ac2858ff8dd4c3c9d7e2c97138c14fc7f8bbbf0e362437
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SSDEEP
768:hX0gWvCzuw6Uj9uGi45XOPxV5HNWnnnl000e999vddddIyyyOOtttb2222m:6vCzuw6UD9Az5HNWnnn622222m
Malware Config
Signatures
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Detects Windows executables referencing non-Windows User-Agents 1 IoCs
resource yara_rule static1/unpack001/out.upx INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
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 67c7aac49c15d531a11f38ceb5990f8fd4b5101935a1f6ec9e5cb50fd37cf35d unpack001/out.upx
Files
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67c7aac49c15d531a11f38ceb5990f8fd4b5101935a1f6ec9e5cb50fd37cf35d.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: 52KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 16KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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
.text Size: 20KB - Virtual size: 19KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 24KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.htext Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE