Behavioral task
behavioral1
Sample
c153b693713297df607a8838e063649fe64fd4c997aa55ff288c4536e6897bc4.exe
Resource
win7-20231130-en
Behavioral task
behavioral2
Sample
c153b693713297df607a8838e063649fe64fd4c997aa55ff288c4536e6897bc4.exe
Resource
win10v2004-20231201-en
General
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Target
c153b693713297df607a8838e063649fe64fd4c997aa55ff288c4536e6897bc4
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Size
248KB
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MD5
d453a11e605e078c948cffc9e1920d08
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SHA1
98bfdd6e94c9ff8ddb42f4ce2f77722b61f20ff6
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SHA256
c153b693713297df607a8838e063649fe64fd4c997aa55ff288c4536e6897bc4
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SHA512
827ff763ac01769f8bbef4407d5dc89191ffa724b04132ce6e5bf8802ea49ae4a39867985b76557a4d63e3cb608f21774c0d768b9de54fc1830f0754f268cd89
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SSDEEP
6144:tloZM+rIkd8g+EtXHkv/iD4DBQxMS1Nmlzus9x4J7b8e1mSi:voZtL+EP8DBQxMS1Nmlzus9x4Ro
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1177226220405014538/ApJMHc22hyWYkaiSVBBN7kvZ9yqRHDAbspngcvmtb-gaUtdVbfAjK9HevOCU-V9zzHnJ
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 c153b693713297df607a8838e063649fe64fd4c997aa55ff288c4536e6897bc4
Files
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c153b693713297df607a8838e063649fe64fd4c997aa55ff288c4536e6897bc4.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: 228KB - Virtual size: 228KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 18KB - Virtual size: 18KB
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