Behavioral task
behavioral1
Sample
f2bfa25bf8f3664f04fa70663b63c33174d29a056edbb70bc87808bc03a1ce67.exe
Resource
win7-20240221-en
General
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Target
f2bfa25bf8f3664f04fa70663b63c33174d29a056edbb70bc87808bc03a1ce67
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Size
61KB
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MD5
1f1761c367da0995de93612d52c19a28
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SHA1
209cc2caedbd152bc20338a88e7f5e3fbccc159a
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SHA256
f2bfa25bf8f3664f04fa70663b63c33174d29a056edbb70bc87808bc03a1ce67
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SHA512
bd1116ada4775fb63d4451b1b7b5c81ed0412be9fdfa8e7713aeea2b351157ba2ba4e5e221f7ddbe6a5da7526330419f1135633e81d63022eb570eaf0b5c9adc
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SSDEEP
768:ZX02lp1pXKjv5Oor1/VcRTZ1Gxxxxbyt+5UUUIgggjDV:y2n11KLsoRcvGxxxxdUUU9
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 f2bfa25bf8f3664f04fa70663b63c33174d29a056edbb70bc87808bc03a1ce67 unpack001/out.upx
Files
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f2bfa25bf8f3664f04fa70663b63c33174d29a056edbb70bc87808bc03a1ce67.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: 64KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 20KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 8KB
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: 36KB - Virtual size: 32KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.htext Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE