Behavioral task
behavioral1
Sample
b2bfd1500afcf35758914c882e9ced8eedd422f085eb6cb620438a92c70ef01b.exe
Resource
win7-20240903-en
General
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Target
b2bfd1500afcf35758914c882e9ced8eedd422f085eb6cb620438a92c70ef01b.exe
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Size
229KB
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MD5
63c8a7e1b6b7aceb3da5f2f6b0abc53a
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SHA1
957f75df411f22c1076838f331c14d5e6e08ee31
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SHA256
b2bfd1500afcf35758914c882e9ced8eedd422f085eb6cb620438a92c70ef01b
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SHA512
e260c30ece30075f5efd0753ff8c9073be033571fc99e830bb08a30e071fd643d0fa796a78778491fcfabe479d6f7bae995dc432ff2d00f3b91753144639132a
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SSDEEP
6144:9loZM+rIkd8g+EtXHkv/iD4giX9UgGhZq+fiQBFUuQb8e1mLucSUi4:foZtL+EP8gI9UgGhZq+fiQBFUT33d4
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1300923716687106088/zBYqs8nJ3MptGRgCn45okL0BWnQ0FdPIXStaaykk5DhZfBnHinW4M0Ve6U2CSPsMATf2
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 b2bfd1500afcf35758914c882e9ced8eedd422f085eb6cb620438a92c70ef01b.exe
Files
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b2bfd1500afcf35758914c882e9ced8eedd422f085eb6cb620438a92c70ef01b.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: 227KB - Virtual size: 226KB
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