b5c5fb6fd99fca53d445cf07aa0ef458[.]exe | Triage

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General

Target

b5c5fb6fd99fca53d445cf07aa0ef458.exe
Size

111KB
MD5

b5c5fb6fd99fca53d445cf07aa0ef458
SHA1

de98364547bbb41af6bdb131af046bbdb5053d42
SHA256

9d448db037a4bc1320e73672fd66f671a115636840d6c66c2b742e48ad8158b7
SHA512

126a03079d5355190d4dcf26268b1baa3a4eb2ed0eff320cc6348a029268c2ebe98e60ba34f6bdeedbb504dafd9cefc8c48d280a0c43966a93bf5d1cac732e26
SSDEEP

1536:HYjIyeC1eUfKjkhBYJ7mTCbqODiC1ZsyHZK0FjlqsS5eHyG9LU3YG8n/Q:4dEUfKj8BYbDiC1ZTK7sxtLUIGB

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

resource	yara_rule
sample	upx

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
b5c5fb6fd99fca53d445cf07aa0ef458.exe
unpack001/out.upx

Files

b5c5fb6fd99fca53d445cf07aa0ef458.exe
.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: 496KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 75KB - Virtual size: 76KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX2
Size: 1024B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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: 256KB - Virtual size: 256KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 245KB - Virtual size: 293KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE