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Behavioral task
behavioral1
Sample
1856f48b7896bca66780a4f7acdce1a4598b6a112f21cba787c9ec6da8d69ec3N.exe
Resource
win7-20240903-en
General
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Target
1856f48b7896bca66780a4f7acdce1a4598b6a112f21cba787c9ec6da8d69ec3N
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Size
227KB
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MD5
b7142439fd3f0f3770ebf0021a8b9d40
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SHA1
2f258bfaca9191ec7cc266064da36e41fe839449
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SHA256
1856f48b7896bca66780a4f7acdce1a4598b6a112f21cba787c9ec6da8d69ec3
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SHA512
861d54ed93f3adb65ed9d2d0759f5e144841572b648a3129b90621cfda5c836264527979407ec0d4d2e9c511ef8445361fc53a8c4cea44f725e74caccd744eed
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SSDEEP
6144:+loZM+rIkd8g+EtXHkv/iD4t+Yxhv0IHd2PxM4d0ib8e1mxYi:ooZtL+EP8t+Yxhv0IHd2PxM4dDwh
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1271171461423562873/UcwkdS8pW8NPWN8bqEKxj1C2jviOZJjyf6WY_8iCbVGcVQS_don1IMdDKBJ56R7Jk7Tp
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 1856f48b7896bca66780a4f7acdce1a4598b6a112f21cba787c9ec6da8d69ec3N
Files
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1856f48b7896bca66780a4f7acdce1a4598b6a112f21cba787c9ec6da8d69ec3N.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: 224KB - Virtual size: 224KB
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