Behavioral task
behavioral1
Sample
ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.exe
Resource
win7-20240705-en
General
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Target
ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d
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Size
229KB
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MD5
4a89926d7875b20715aee8b91055288a
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SHA1
bc9dd5dd8c03ba61a00284597816da69b26d3124
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SHA256
ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d
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SHA512
a4fdd5dfd1aeef9335dc1b9cb70c0e38cd548ce0ee58c003ac2d1b6cc7193e4585a7c1283d4030ffb13909089c625e9f99f371d677228fad5f8319f2d8d71bec
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SSDEEP
6144:tloZM+rIkd8g+EtXHkv/iD4Zb++zZqSteY5rWWDPtbb8e1mQLi:voZ1L+EP8Zb++zZqSteY5rWWD1xG
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1271897933410734140/cl8lD_srSsBnAcQoK8aC1AX5F5CCQ6wifYTnJIabDBXuTV0fUjWev4BeIYRk0fzhqntV
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 ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d
Files
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ccfdc56d44e882de28409431e7c52addcd5c569e7b96bf02cfbe25415954be3d.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