Behavioral task
behavioral1
Sample
2a4f90d87ef37266b2bfd8d4729bccca7898613529496e1614c2aded9221c725.exe
Resource
win10v2004-20240226-en
General
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Target
2a4f90d87ef37266b2bfd8d4729bccca7898613529496e1614c2aded9221c725
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Size
227KB
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MD5
02ad60326e6e752105b1e608c4e642cc
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SHA1
b953c4ae639e3698d6fbf3acb22256651f9bc7f3
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SHA256
2a4f90d87ef37266b2bfd8d4729bccca7898613529496e1614c2aded9221c725
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SHA512
b773e994a2349274b9a8910a5e8c32324dc53d587ca88681a22a9f1e47304110f0c839952519b56a2b28fb14ea4aa97db979be5b57675b9f1a17a58657f9f453
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SSDEEP
6144:+loZMNrIkd8g+EtXHkv/iD4i8hqZHMgPtu35EwFkOb8e1mf3i:ooZ+L+EP8i8hqZHMgPtu35EwFLmS
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1226213555615830106/Idaq2DI8BfTpLJWYaWKGfXWaM5EsYwUd2fsfm_zYJD2fP1fbqlNWzpFcn_P7ktY36bPe
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 2a4f90d87ef37266b2bfd8d4729bccca7898613529496e1614c2aded9221c725
Files
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2a4f90d87ef37266b2bfd8d4729bccca7898613529496e1614c2aded9221c725.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