General
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Target
Steam acount.exe
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Size
254KB
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MD5
c76a61ed3b075868b99e3575a7c9cb93
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SHA1
affce56c1ab83cb2c47ab76e2674f36e30c1c679
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SHA256
ba61b0104c910ca1177d94ca3d7e197266d1c14d971cf929b2fc7fafc0064f8f
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SHA512
d515fa29846193353708a160d584a826ec7b1c715b55c3ac14fee6c9a6e93c029b16cffe919b7283567c563b3a7362d2446ce015cddb9cda26e73f13b1cc54b3
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SSDEEP
6144:04oZoQJ39KtWaV+CRB6jIx7axHUPGUphYc3YeRN66hn7DC8ej58ED:DoZr9Kd8jYPGUphYc3YeRN647k5b
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1252172984362209324/NfCm8EPAtDyiqRcfj_cJNMi_a5jwdKueZ8DE86sWHdid4tUKHCaZ-EOa_l-eCL0S4ax7
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule sample family_umbral -
Umbral family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Steam acount.exe
Files
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Steam acount.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 251KB - Virtual size: 251KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ