Behavioral task
behavioral1
Sample
8fb16a6820997425bafc7635fe37436801301ca8dc445f57db97dd264c5ccf0b.exe
Resource
win7-20240729-en
General
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Target
8fb16a6820997425bafc7635fe37436801301ca8dc445f57db97dd264c5ccf0b.exe
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Size
227KB
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MD5
3a1c193849903781020935a8ad07d07a
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SHA1
fef92d8486cebb4d974df2faf04ae37bb0320d6f
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SHA256
8fb16a6820997425bafc7635fe37436801301ca8dc445f57db97dd264c5ccf0b
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SHA512
6f5188d12915c449b7e61842e044573b1b4f2557bbab8f6c71c1e06cccaa04a313af2db0f074a59a8a25919b2b12367635a479a65fd57d3b66d5ff15b4d72246
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SSDEEP
6144:+loZM+rIkd8g+EtXHkv/iD4tqjy0ad1+47mEl5Q8hb8e1mcgi9:ooZtL+EP8tqjy0ad1+47mEl5QkL59
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1305582300918185994/EE8PFtpBm_iHizpV_Q_Kn5DP9px4rFVu_tjpCIZQ5EdlmytBIKpakzf4xxE22pXS9U1K
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 8fb16a6820997425bafc7635fe37436801301ca8dc445f57db97dd264c5ccf0b.exe
Files
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8fb16a6820997425bafc7635fe37436801301ca8dc445f57db97dd264c5ccf0b.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: 224KB - Virtual size: 224KB
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