Behavioral task
behavioral1
Sample
6867bdcccea54ee53c6a50c31b512bd1.exe
Resource
win7-20240221-en
General
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Target
6867bdcccea54ee53c6a50c31b512bd1
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Size
394KB
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MD5
6867bdcccea54ee53c6a50c31b512bd1
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SHA1
5d0e8e73b38eb1d5cfcb158dac68a121466d6719
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SHA256
33da805f17a081bcddedae6be9cc2427d0a9b786cd62c1e44440893c02e04bb8
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SHA512
6740a2333e8aadbc02f4d63e466ef6f02f4b914bbe3abea9aeeb31d5c10774cc7a2a86e2d4ecc714cf899dd10656114da569a537c5a49ba7f591766f7a60e90c
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SSDEEP
6144:aloZM+rIkd8g+EtXHkv/iD4LD/xEKtFuHr20VJgU0b8e1m/lm4iUG:koZtL+EP8LD/xEKtFuHr20VJghzBh
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1202713966892154880/hKt1959RM0bV5-3CpJAwh821Kr6T7h9g1Q2lLB0g86ovim2izdHbNw9y6LtQFK8C5Zhm
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule sample family_umbral -
Detects executables attemping to enumerate video devices using WMI 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice -
Detects executables containing possible sandbox analysis VM names 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_EXE_SandboxComputerNames -
Detects executables containing possible sandbox analysis VM usernames 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_EXE_SandboxUserNames -
Detects executables containing possible sandbox system UUIDs 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_EXE_SandboxSystemUUIDs -
Umbral family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 6867bdcccea54ee53c6a50c31b512bd1
Files
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6867bdcccea54ee53c6a50c31b512bd1.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: 227KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 166KB - Virtual size: 165KB
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