Behavioral task
behavioral1
Sample
radmin.exe
Resource
win7-20231215-en
General
-
Target
radmin.exe
-
Size
232KB
-
MD5
6b23b65c77bba099dde4dc05b1c13edf
-
SHA1
a741b264e94873f3ce18cec6aefc3250aa87b7ac
-
SHA256
a6c26b7a10e97636547172d24d97605eb3115d7df32fcc824501d3b483bd03f5
-
SHA512
179debf3b2e43cbc059d597ea3db8583d21f2fd44920329e04b452071bac6fcb513fe77bb2c1554e7f6508dcb3c4e1e0773f2e756d824cd1fbead5ac90b9759d
-
SSDEEP
6144:aloZMmrIkd8g+EtXHkv/iD4saBTbhS6FuAxDeebdTb8e1mJi:koZ1L+EP8saBTbhS6FuAxDeebtT
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1187615835485904967/lpOV6uMIhD-oL8NDJEVNEcW1BDAhB8JAlxcynU7EAvAOQPdtvMveWdQ1qjwtGRxNo5md
Signatures
-
Detect Umbral payload 1 IoCs
resource yara_rule sample family_umbral -
Umbral family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource radmin.exe
Files
-
radmin.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: 229KB - Virtual size: 229KB
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