a28cb56d4a3cb15a2bcd2818c50dfbd8 | Triage

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General

Target

a28cb56d4a3cb15a2bcd2818c50dfbd8
Size

227KB
MD5

a28cb56d4a3cb15a2bcd2818c50dfbd8
SHA1

c5d02a2c1228920e08604cd9a004702ad5875229
SHA256

12c10cadba2990f9d3d090e820c6ab72fa9a69c1ba5c5938ba91bfef151b365a
SHA512

4a7d8905a445c53aca4754669d2e7e6f452b2744848195a4e0225f25c78ffa36ccc8b742329437de126a4e7cb719a1a59f8fb19566c598d30853ed26f46ab359
SSDEEP

3072:lIQIeLxvnW8sSMMfDVxEWUCpw5vRgLNYzCpw5GgK6AxgK2lW9B:lvIgWNSMPWnw55gLNHw5Gg1K2EL

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
a28cb56d4a3cb15a2bcd2818c50dfbd8
unpack001/out.upx

Files

a28cb56d4a3cb15a2bcd2818c50dfbd8
.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: 17.4MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 22KB - Virtual size: 24KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX2
Size: 512B - Virtual size: 4KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
out.upx
.exe .js windows:4 windows x86 arch:x86 polyglot

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

.bss
Size: - Virtual size: 17.3MB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.data
Size: 34KB - Virtual size: 33KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE