Behavioral task
behavioral1
Sample
d.exe
Resource
win7-20240903-en
General
-
Target
d.exe
-
Size
3.1MB
-
MD5
d79b76080c30ab96613fd515652dbfd2
-
SHA1
fade5dc9295c20ecddefb67c6040f31dd9f3382c
-
SHA256
8f4a36920da7fbc02dae6b9d64887b8a9adf6d624b6bcc2fdde9b12b37df1248
-
SHA512
5f6ca9fb9df9e40dbcbe1a25b213ca7dd978aaffacd8bd4f8dda2e08c98b641d885ed9592bfa2b454ea92ce2d7fb6e042c128b806f07267994869ce1f7908af5
-
SSDEEP
49152:WvbI22SsaNYfdPBldt698dBcjHpb2x6oG2cGexX5THHB72eh2NT:Wvk22SsaNYfdPBldt6+dBcjHpb243
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.0.113:4782
37397535-8af5-4add-b533-27e998fbc622
-
encryption_key
4B5E218560CDD01333207C62200755FCC6D3F14E
-
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 d.exe
Files
-
d.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