General
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Target
Promo link generator.exe
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Size
228KB
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MD5
4e711e7231a67ebf4278a6ba9e2a1f98
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SHA1
9bc200a14d089e0fe869674ee5f4219e86dc3009
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SHA256
cfb4919168697ab5bfaa045cbf2c647aa55c1ffc8f5109acf90f2e90af14f40a
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SHA512
38ac5f01c19304431f1b862172fd0ed7b67fd8926c94e289a7a9b06a6772b02c7708f9ebeb3263269721d379dede458bd29d16fd6eb81eb500d85b202707ec0f
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SSDEEP
6144:BloZMUrIkd8g+EtXHkv/iD409mMN5nsAv9R0STTKg/Yb8e1mIi:zoZrL+EP8gmMN5nsAv9R0STTKBm
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1196551286892535848/BI-4wJMe0VqcV998bhbMUu_wWa9MHqKDsvG2bhmZuynbA6FvVmQpf3BApw4_YqBZ6TZ5
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 Promo link generator.exe
Files
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Promo link generator.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: 225KB - Virtual size: 225KB
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