Behavioral task
behavioral1
Sample
rdew23.exe
Resource
win7-20240903-en
General
-
Target
rdew23.exe
-
Size
3.1MB
-
MD5
fc96b0bb5bf41de7f1098763e7c6c121
-
SHA1
c86dbf100916664e69644fe4e182c30d7fd9d94b
-
SHA256
180566813d8fd45aa00cd44907b262d0b153f48a3915eca64b1c42a17786cbbe
-
SHA512
9966fa53e17290b2d6d51e4915d86429da85d1125b3f180c4881c5fbd85d08cb861b1ba06b9b6b972b44d7ee20748eba702fca6bffdc5b7b9d48401fb2d0e661
-
SSDEEP
49152:fvhuf2NUaNmwzPWlvdaKM7ZxTwgae2ECstk/6WDoGdnlTHHB72eh2NT:fv8f2NUaNmwzPWlvdaB7ZxTwgaelC3
Malware Config
Extracted
quasar
1.4.1
Office04
10.0.0.85:4782
172.16.0.2:4782
192.168.56.1:4782
70b15695-83fa-49d5-9ab7-d6837c0bfe04
-
encryption_key
CE951E8DBE6E2FB19D206CC546AB1C2DB4750281
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
1
-
startup_key
Solara
-
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 rdew23.exe
Files
-
rdew23.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