Behavioral task
behavioral1
Sample
b5b55f24a20bf036b8bd5b0475e8050ce8eff7fc97541c3805ba04f7dda6b361.exe
Resource
win7-20240729-en
General
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Target
b5b55f24a20bf036b8bd5b0475e8050ce8eff7fc97541c3805ba04f7dda6b361.exe
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Size
229KB
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MD5
279b7dad4be41fbc9bdefe4e7a47e894
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SHA1
6d07ef9bff3877c69ecc3755c5aeada418c7225a
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SHA256
b5b55f24a20bf036b8bd5b0475e8050ce8eff7fc97541c3805ba04f7dda6b361
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SHA512
36d0a56e4c4918ed0d0ba42b8f424f9fee8a88f10649a8e18a09e99a8f2333d932e6c56243f7f75b34afae595ba58b90383b86aecc4b9046a00effec592ea748
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SSDEEP
6144:tloZM+rIkd8g+EtXHkv/iD4/E0fAmB5Kz/Cwhl0Adb8e1mc3liI:voZtL+EP8/E0fAmB5Kz/Cwhl007cI
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1330520674737065984/wAiQioltW-4FvXy-ncOMtKyLEmMWGAXhzHpA-G43Qe5DD_tIZIJcgFMKC_EwekK39ywr
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 b5b55f24a20bf036b8bd5b0475e8050ce8eff7fc97541c3805ba04f7dda6b361.exe
Files
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b5b55f24a20bf036b8bd5b0475e8050ce8eff7fc97541c3805ba04f7dda6b361.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