General
-
Target
Client-built.exe
-
Size
3.1MB
-
MD5
0c5f6822969f4890cf44d814332f28b9
-
SHA1
d17f440cb2ce53963555bb3c9e4953edc82039d0
-
SHA256
f50ff41e503c8b504faa61db21e97a1525c97eb97fa2e88f835ce473017b4214
-
SHA512
d355810d1eff5587606bda7081fefbaa498b7e16754eae01c1efba5ece4ded9d229b07acf437b9ddf9328d6b11c58e376afd727cc8f2cd396a6d8b39ede3a054
-
SSDEEP
49152:DvKI22SsaNYfdPBldt698dBcjH+4mCmzPLoGdUqTHHB72eh2NT:Dvn22SsaNYfdPBldt6+dBcjH+4mb
Malware Config
Extracted
quasar
1.4.1
Office04
vxc-63595.portmap.host:63595
a8ba728a-8b60-42d1-998f-e0693b23224e
-
encryption_key
416C833148C29219D245197DE247D78A39EC13E5
-
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