Behavioral task
behavioral1
Sample
Token_gen_NEW-1/Token gen NEW.exe
Resource
win7-20231215-en
General
-
Target
Token_gen_NEW.zip
-
Size
89KB
-
MD5
545b9bae0d13c3f4e4717fe835ecf1f2
-
SHA1
c3673241ed151ab88d55cdac83f66b7ed06996ae
-
SHA256
88b80281a489b1ac8eec037257a63ae001e9357a1e8bb367b8cc9e10f4b85882
-
SHA512
c4fdb631eb96652902da13827880df4b988923652683ce95d113c4584e0859cf14d4dd937bcc33d2383c47a5ee85cd0281b3e06eb8d2fcb3afb5c76cb253b013
-
SSDEEP
1536:1l2eZrNzYEbm3cwpKgVINF3cIVXoblZHm4WWP3E29Sm3sgkiU1N:fhpz/vwpKgQeHgQU9m89iUn
Malware Config
Extracted
umbral
https://discord.com/api/webhooks/1204836034035187772/AR3fk1ochHeQSQcuuX8qP1elXbVytPwyAIsa-CkNhZzfoJ3fCLmz2Ob8evEGCP646AIQ
Signatures
-
Detect Umbral payload 1 IoCs
resource yara_rule static1/unpack001/Token_gen_NEW-1/Token gen NEW.exe family_umbral -
Umbral family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Token_gen_NEW-1/Token gen NEW.exe
Files
-
Token_gen_NEW.zip.zip
Password: infected
-
Token_gen_NEW-1/Token gen NEW.exe.exe windows:4 windows x86 arch:x86
Password: infected
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: 224KB - Virtual size: 224KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - 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