Behavioral task
behavioral1
Sample
test.exe
Resource
win7-20240903-en
General
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Target
test.exe
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Size
227KB
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MD5
7132f3f19b959294d470c06af357e192
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SHA1
feb85b0836d9a52af2648174e4f53268ca20a309
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SHA256
aa59ece71acd81ec09202b22af8e1a9d5664412d9bc99c9aa8ea1522467cc128
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SHA512
b2dc88639c96e83a7138c361f43b52bdd62aa17af347fe46b1c007752c6c3e745e3188c6d8e89e4fcf68a506135eb94e9afa190a9b06acbd6304cc3d37ef2491
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SSDEEP
6144:eloZM9rIkd8g+EtXHkv/iD40tVZQWRJ66vSgR1EsUcb8e1myi:IoZOL+EP80tVZQWRJ66vSgR1Eu8
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1296560289818480691/ulnfTZvQzO_rSsv2ax9-ULnnINXCyJz88OOjVQXiZ_dqa5trdVDnncFvpjubS3i_jPrx
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 test.exe
Files
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test.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: 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