Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240903-en
General
-
Target
Client-built.exe
-
Size
3.1MB
-
MD5
455889b66765b1638dd978a0280f1c7e
-
SHA1
774c78b88528e366cb46ba6723f7bbc7dbb192c1
-
SHA256
4ad66f08167a301d51c613fa49c846297787a2fbc57d526c4885b419f61bb78f
-
SHA512
df5c6d8615e1f41f4d908b62f052805ee8b9dd50d129a9ae2da66888cb60b985a841b00f74090c436e05d6b26672d6fc9957a551cbbf30d91a2af4d5d81e3d3e
-
SSDEEP
49152:avBt62XlaSFNWPjljiFa2RoUYIWXhymzg8oGd5ZTHHB72eh2NT:avr62XlaSFNWPjljiFXRoUYIWXhnp
Malware Config
Extracted
quasar
1.4.1
Office04
JJ:4782
192.168.10.1:4782
9a10c5be-59aa-4915-9bd2-d92256f2c938
-
encryption_key
83ADBC9532F819159CF9138DCD18B9BF646C2117
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Discord
-
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 Client-built.exe
Files
-
Client-built.exe.exe windows:4 windows x86 arch:x86
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