Behavioral task
behavioral1
Sample
ExtremeInjectorV3.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
ExtremeInjectorV3.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
ExtremeInjectorV3.exe
Resource
win10v2004-20240802-en
General
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Target
ExtremeInjectorV3.exe
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Size
228KB
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MD5
92fe53ca6c8f1a424db45bb3f7cdfe56
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SHA1
a6d4e261875b162f18f2cbbcc6411cec7b59be37
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SHA256
bf1ddaef01c54156875f83d24de19811476ad618bf126460a764c0cb13bcf3b7
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SHA512
c4ce50e070a07626fd766212428b15df7d4f4fe680acdc9b0ba084156aea4e4443dd76ddba8ff9d9551a5c00b53d784a716caa95df1a78d80a65dd1bca2c4a16
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SSDEEP
6144:OloZM+rIkd8g+EtXHkv/iD4QL6XYe5xy4XKYZd8PRb8e1mLpsi:YoZtL+EP8QL6XYe5xy4XKYZd8hil
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1272960886117498900/YDNHOw3Kos6nSkhyh1-x7wdT3ReBATEXF8kthHRm5wmUtVhzhv3W6IJn4x78vB7KKS5f
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 ExtremeInjectorV3.exe
Files
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ExtremeInjectorV3.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