Behavioral task
behavioral1
Sample
SilverBullet1.1.3.exe
Resource
win7-20240705-en
General
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Target
SilverBullet1.1.3.exe
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Size
246KB
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MD5
cbcd362933c6c8a10a0a6d8c40bbb66a
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SHA1
4fc0ff8ec329b58c4220a577f694b96be0b874f8
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SHA256
15e11de5fdc18d4d1a9fe45e494887fe04087aae5a215c1bff4f8fa36b86e7fb
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SHA512
da01c53ac833edbbb5abbefa5a5da4de0cdd10c9c7469b58db6f14470bbfa6b19c2b335759045402807c549a2fc36495d5d0a4b0ce41cb12a203e2e3d0b1b617
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SSDEEP
6144:JloZM+rIkd8g+EtXHkv/iD4z6F+cCFdWcj+ctBIKzb8e1ma5i:7oZtL+EP8z6F+cCFdWcj+ctBIMFg
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1265986630452379690/BBJf2AnivR3HxpNT7syZNgB_QNXpHUFPu0irvSlMolVMqrJcVIasxSp0wU30zh7yjlEJ
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 SilverBullet1.1.3.exe
Files
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SilverBullet1.1.3.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: 18KB - Virtual size: 18KB
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