Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240708-en
General
-
Target
Client-built.exe
-
Size
348KB
-
MD5
e8ecdeb99f70e49718a4fc9986f86df3
-
SHA1
4f50bde0200a60dfe74a957a4f927e5648e2e78f
-
SHA256
d0030ab6b4ed701eca6cad94f123517f564edb6a17ca33cbe6415cea10ac1401
-
SHA512
f04bbab81c20eb22315914d20fa3d34761e0821592189b12c8821b311a3056f9c767bfc57eb41403c55a5eeb0cef50575686c1766ccfb164c5bb1892637c37ba
-
SSDEEP
6144:SRNHXf500Mr7ULWRbNlPyDg+Rve9cc6i0pzci:Kd50xUxs+RWGcdOzci
Malware Config
Extracted
quasar
1.3.0.0
Test
5.tcp.eu.ngrok.io:13432
5.tcp.eu.ngrok.io:8080
QSR_MUTEX_zDi3X3iiANcUc0nFPZ
-
encryption_key
10b0G4xQi1VrldATZzJ7
-
install_name
win.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Windows Runtime
-
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: 344KB - Virtual size: 344KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - 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