General
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Target
Recuro Ext v2.exe
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Size
229KB
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MD5
d7012377350fd49496b9204c27fee5c3
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SHA1
6e1626fa282224e2e4970c29df0960098b60f775
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SHA256
03f48b05a4b0d4070d0c10dc264b64a2edf0a4c767dfc499e045f84f6c9b271b
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SHA512
88f1b96894253e3f5f14a22a02f43654b8abdf7b084ac9a38278aa7898503c00e35db2c81a1f691d9ed629df7a29ce190bd51f3ff35b3570d7e1d8a30ad617d3
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SSDEEP
6144:lloZM+rIkd8g+EtXHkv/iD4cu5xClK8e1mVWi:noZtL+EP87qqI
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1171135711265693707/suyu_S1KJ-KHsLzIWQk2vHvZB-VOItFNakV9ElIiKEkHN06tueFhsHUSEifG5Xi0HJLl
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 Recuro Ext v2.exe
Files
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Recuro Ext v2.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