Behavioral task
behavioral1
Sample
b3e8b45b5438b5d160ffed3331d10539.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b3e8b45b5438b5d160ffed3331d10539.exe
Resource
win10v2004-20240226-en
General
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Target
b3e8b45b5438b5d160ffed3331d10539
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Size
19KB
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MD5
b3e8b45b5438b5d160ffed3331d10539
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SHA1
5c0382e6fd952ebb57ba7de996d2f69a66d40091
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SHA256
3e8b0d40b2d782027bc1bc26a4484e970e88b1495fd42daeca822482adc76ed9
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SHA512
df31b703a46080dda8e1dd57e6ecfecdafbd2413906d0242d1fa7af95223617121a5414bd9ffbc014525fc803dbd77a47683189f85fa8f73b37ee8d209f4c49c
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SSDEEP
384:kHKZfuH87GowDqGoMwevqxP6k6zIDwPVBS/+do2HFzhUn7R:5ZfuHUvwDKP6kMpdd1Fi
Malware Config
Signatures
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Detect XtremeRAT payload 1 IoCs
resource yara_rule static1/unpack001/out.upx family_xtremerat -
Xtremerat family
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource b3e8b45b5438b5d160ffed3331d10539 unpack001/out.upx
Files
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b3e8b45b5438b5d160ffed3331d10539.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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
UPX0 Size: - Virtual size: 56KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 17KB - Virtual size: 20KB
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: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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
CODE Size: 30KB - Virtual size: 30KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 512B - Virtual size: 232B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 9KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 8B
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ