General
-
Target
Client-built.exe
-
Size
3.1MB
-
MD5
5b85026d927d39d8c79f7d5a97c9f7bc
-
SHA1
7219e4de917827f6ae1f813eee9eb590ad9ee658
-
SHA256
b18d108dc2e0faf28287573f4a97e2ab2bc14d6ba6bf962b7a63e3e5c505278b
-
SHA512
b8ea125bc823794a4dec8b0651e2d1e376ec75c81333cf80d641a61f259559cba2b4988cb234b3d8121119854b116ea43b397abbae4daeadb102aa1cde4892c7
-
SSDEEP
49152:GvbI22SsaNYfdPBldt698dBcjH2gxNESEDk/iYLoGdlodTHHB72eh2NT:Gvk22SsaNYfdPBldt6+dBcjH1xi21o
Malware Config
Extracted
quasar
1.4.1
Office04
147.185.221.19:1998
7e12675d-1220-4eb4-be9d-8c8589d2e180
-
encryption_key
1273BC96F067EC4AA34581E6528B50F1DE868338
-
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: 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