Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240708-en
General
-
Target
Client-built.exe
-
Size
348KB
-
MD5
1b3caea7f3034ec10eecb722a369c652
-
SHA1
7bf564e5695c879a823068f19b9c5b25d9c3ed53
-
SHA256
4ca77febd10fb2e3a0ebd202ffd7efb798912d80c76ebdbc76b68b7b59de115a
-
SHA512
96d59d9a0bca26121ea0643840a3c568fb5ee5fa21cb4e6278cb229ad9b34c9445c22f406daa3c8c11f84f30995064612a1e24eff3211878eae2fd5c5b81a646
-
SSDEEP
6144:9MNHXf500ME3EaGbbJ23fR34sZh85r+UxRXNO:ud50LNqR3nh8l+UxRXNO
Malware Config
Extracted
quasar
1.3.0.0
Meedo
2.tcp.eu.ngrok.io:8080
2.tcp.eu.ngrok.io:13677
QSR_MUTEX_F7GTMqsQBGCZlMGQ5p
-
encryption_key
U2vyTIQERz1Bf5527M3K
-
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