Behavioral task
behavioral1
Sample
wmm.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
wmm.exe
Resource
win7-20241023-en
Behavioral task
behavioral3
Sample
wmm.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral4
Sample
wmm.exe
Resource
win10ltsc2021-20241023-en
General
-
Target
wmm.exe
-
Size
3.1MB
-
MD5
16cd26bec647159bbecaa3eeed061bf0
-
SHA1
276c745df06dca1dafb9dc6f82717a59b816c99c
-
SHA256
538962a772724887e06411bdca86db10e9d4ab08147e330b2e7ebc17d796ffeb
-
SHA512
5f905a129ffe433687fe64732160e9e2064f8a20f0ebeb819e2b536c5de9309805f7d7a0bbbc922b4809ee68480d618c87d34aac2414f8638b431772b860e6c0
-
SSDEEP
49152:KvzI22SsaNYfdPBldt698dBcjH9JRJ6YbR3LoGdUTHHB72eh2NT:KvM22SsaNYfdPBldt6+dBcjH9JRJ6y
Malware Config
Extracted
quasar
1.4.1
indexer
jt8iyre.localto.net:55644
7861b74d-57c7-453f-9218-a4a2335c1a0d
-
encryption_key
54717FCDBD30C7781F669403FBC8E35733C37E34
-
install_name
searchindexer.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
searchindexer
-
subdirectory
SubDir
Signatures
-
Quasar family
-
Quasar payload 1 IoCs
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource wmm.exe
Files
-
wmm.exe.exe windows:4 windows x86 arch:x86
Password: lk89sdj7
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
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_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 3.1MB - Virtual size: 3.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 3KB - Virtual size: 2KB
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