General
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Target
MCLauncherAlpha.rar
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Size
164KB
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MD5
27e7b6d7788808feb521a6f18a0bf340
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SHA1
348a268a83e15fee4f083ae2c2f52ddcecb96525
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SHA256
1a6b852b573aac6a87f4cfd55f3694c5ad2563746f962ccdb8cb22b9dfc4873c
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SHA512
cd685773c201318d8b2f28af09e1bec9955695cf48a27f65f9332e19b3dcaae95506bc8bb521a7147e5d83996dadc6b57b7f4727a1ad4e77a33b7d7dbbd2ed9a
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SSDEEP
3072:55Bsy9Vo9TOS4eXiM9U7araGZRbFEW3VEoKWd6Bl+2UztN:5XVgTgeBUuraGZXE6VEoKWABl+/
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule static1/unpack001/MCLauncherAlpha.exe family_umbral -
Umbral family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/MCLauncherAlpha.exe
Files
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MCLauncherAlpha.rar.rar
Password: alpha2025
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MCLauncherAlpha.exe.exe windows:4 windows x86 arch:x86
Password: alpha2025
Headers
File Characteristics
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: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 512B - Virtual size: 124B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 1KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1024B - Virtual size: 770B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 4B
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: 512B - Virtual size: 456B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 25.2MB - Virtual size: 25.2MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ