Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240903-en
General
-
Target
Client-built.exe
-
Size
502KB
-
MD5
e2deea190fb3295976a3bf18d070233b
-
SHA1
e056164cfb9eb114f961f19e7181f60003ae0ce5
-
SHA256
8996eea27038c155ff56b2e92be7890b9563a4f16f3429eefebca9185f0c96bb
-
SHA512
ff2df89e00e2ecb2b88bb620885ba08e9aed29721e2d22b5c2c64f9736e097e37045dfcef8a80f1518135c5e62725ec02dcbddd492af2ab5a687980a3e2b4362
-
SSDEEP
6144:RTEgdc0YvXAGbgiIN2RSBUAb4qqpdNHKX6gYcEbOb899VTUjp9NcF95yEcTR3S:RTEgdfYnbgBO1cYrh3y9SFnyEcdS
Malware Config
Extracted
quasar
1.4.0
Office04
141.11.109.176:1337
ca86f6fa-6854-4e21-a291-bafe58087953
-
encryption_key
66AB7C24B21EDAE67341911E0531E758FE651040
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
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: 498KB - Virtual size: 497KB
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