Behavioral task
behavioral1
Sample
owo huntbot.exe
Resource
win7-20240508-en
General
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Target
owo_huntbot.rar
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Size
89KB
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MD5
550425a30f0b1edc726c18c3f0f0363b
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SHA1
daeee551b9689ab716bbc6c903b236fcbc559e8e
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SHA256
a0b1850a85ac0daf903f13a719423de6a27dd8a06f350ab5e339473e0dc9bf71
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SHA512
11d4ebf1e7d3999f3a799f9e293cfbf4ad5f64e2789e918e186899b32de7409e99dba2e1362a584c88a8339dc95f6c404864ece990c70930d19280e2646d5318
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SSDEEP
1536:DHyhpPPU/GVf5wtlp+L2k6VaTBb7wP1Y6siPBHU7YKEHab9+fIWudyzmjxszDv0i:D8oGR5wtAZ64Vbq5hPe7uHu+UGmlOv0i
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1235634147129692262/ObP_Z-hBmM35S4-i4cnJTRVS17jaNnTGd1ymfWSoZcBwM-ytBOhE6NKDY7eTsJpF0hgY
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule static1/unpack001/owo huntbot.exe family_umbral -
Umbral family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/owo huntbot.exe
Files
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owo_huntbot.rar.rar
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owo huntbot.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: 227KB - Virtual size: 226KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 16KB - Virtual size: 16KB
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