Behavioral task
behavioral1
Sample
3cf4f19b7c69135acb3c4c9bb9cdfb90N.exe
Resource
win7-20240705-en
General
-
Target
3cf4f19b7c69135acb3c4c9bb9cdfb90N.exe
-
Size
3.1MB
-
MD5
3cf4f19b7c69135acb3c4c9bb9cdfb90
-
SHA1
e2b5a40dd2abfa03671fde7c4e74f9b2846f989f
-
SHA256
6aabee552a530d63bdabc02cbe5714fcb7e1f9c826acb0b27ad267d50065cdaf
-
SHA512
4b4237eaf8ca42456b5ce183c83ba3f0cd382dfa5ae775a9433db4f7091ac0295267e80fcd93861a1022288ebf7c3a9d3b7caa07423f75c0b685812bf97996cd
-
SSDEEP
49152:DvehBYjCO4Dt2d5aKCuVPzlEmVQL0wvwkaxAtueYFoGdXTHHB72eh2NT:DvAt2d5aKCuVPzlEmVQ0wvwf+tuee
Malware Config
Extracted
quasar
1.4.1
Office04
nohchy-47404.portmap.host:47404
1a1e174b-dbf8-49ad-9b43-2cfbb233a6d9
-
encryption_key
795CDD46D2CDD422BE523F263B64E03D8B6AAD42
-
install_name
SolaraExecutor.exe
-
log_directory
Logs
-
reconnect_delay
2000
-
startup_key
RtkAudUService64
-
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 3cf4f19b7c69135acb3c4c9bb9cdfb90N.exe
Files
-
3cf4f19b7c69135acb3c4c9bb9cdfb90N.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