General
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Target
PrimeN1troGenerator.exe
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Size
214KB
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MD5
8bd85b95fd1ac8e340c767285a07fdb9
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SHA1
a7078c6bc3bce43e55d276f5a3af06b6be5e239d
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SHA256
52a259a701bb38e3770cbdd87af27124ea6f1821bcea69dab859391e8ab8e84c
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SHA512
ef778acec8a979a4a17f10ffdbb0c31f5b4dd8e2293ffa3f99624cbc21b892577aaaf9917603b0e9be0818e930ff6b4f51a5e67aab576e6ee67f281fa91be66e
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SSDEEP
3072:GlP/chtWkOIGSuvD6vdnsUSaC7liDDxIfbw44lllllj02cgSl8eN7b0JX8OZnXT8:+cyHIGodsUS7eDajb8eNH5OZD
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1239128191910543402/7bs3_j5w3Xe1_L8A7FX6pzZ8qsyJc_6VqvKD2KyMK_IdQSU6u78PNAgemXSvcI25pwY2
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 PrimeN1troGenerator.exe
Files
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PrimeN1troGenerator.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: 212KB - Virtual size: 212KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1024B - Virtual size: 864B
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