Behavioral task
behavioral1
Sample
token bot.exe
Resource
win7-20240221-en
General
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Target
token_bot.rar
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Size
80KB
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MD5
91e5c9a236940fd4c7af78bcea389148
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SHA1
80f5c22f41b29628636e0312641c973c1768aa90
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SHA256
65080b04dd095e82f027e05f0df8afd367f0b167d7400bf4e2e1626464166a02
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SHA512
287265a7e60da70f4a4667d74923fa3676b97a07b884802cdcde009f9ad5eac911b424eaa9b4969b93f1dbe001ec9713b325b548be174d71ea27d32be03169f1
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SSDEEP
1536:X+mdm478eiTC0OnB52R/HPl1s4MDkzQpSQdaxa3PtmQ+y1:X+yYjsnD2RvPQUipf45y1
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1248680916088524882/scOLRb8Ed3pZrVLq-wxEU3RMvJbAjEVyHOhqKEPHD6NL1h3WeGeXo53UPUp5psuRr4DL
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule static1/unpack001/token bot.exe family_umbral -
Umbral family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/token bot.exe
Files
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token_bot.rar.rar
Password: 1234
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token bot.exe.exe windows:4 windows x86 arch:x86
Password: 1234
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