Behavioral task
behavioral1
Sample
ef2720e1c481bda488e8c2443102be2c4ef89bd1a8639c95591ecfa658c79074.exe
Resource
win7-20240903-en
General
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Target
ef2720e1c481bda488e8c2443102be2c4ef89bd1a8639c95591ecfa658c79074
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Size
229KB
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MD5
7722bd38c1dc5357e24a8e33241b7609
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SHA1
b4001c1953b0cb3e7acf2d6009342390f5e42724
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SHA256
ef2720e1c481bda488e8c2443102be2c4ef89bd1a8639c95591ecfa658c79074
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SHA512
215829e0897f1027944421cc2a2ed1122ab3fd8f1dea84631e7d22b27d9a7e61c0316f62762bfa90feb0dabec1e5389bb1b0b8bcc80b58b34cd910b2b52e5e86
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SSDEEP
6144:lloZMQfsXtioRkts/cnnK6cMldA1GgGhZqZfiQBFUbGb8e1mji:noZItlRk83MldA1GgGhZqZfiQBFUup
Malware Config
Extracted
umbral
https://discordapp.com/api/webhooks/1208093907007578153/ARZ7Y2yUFUJOQghfW7hhB2n_e50O6KHNwOzCf82xlsGIdB5741tX02jF0LEtXTTZg5e-
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 ef2720e1c481bda488e8c2443102be2c4ef89bd1a8639c95591ecfa658c79074
Files
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ef2720e1c481bda488e8c2443102be2c4ef89bd1a8639c95591ecfa658c79074.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