Behavioral task
behavioral1
Sample
Server.exe
Resource
win7-20230621-en
General
-
Target
Server.exe
-
Size
175KB
-
MD5
7df01c4f59fb2be670042b7ed11eb18a
-
SHA1
73b98f866cb4322eb903941cc2edb8b4f18ba1a1
-
SHA256
ab961ca0524c11ee24284e8f37c5d255bcca18edee059f1a0ca471d4d2a99a87
-
SHA512
f59a68f7cfa7e4513f9c9b013a7b9d517d1651ea9e4507f822ae0a5e5d07e47859919c9c9011e840ff6fe1b985aa84298bd155c08219904ee7c801324adc54bc
-
SSDEEP
3072:Ve8oX8Sb5KcXrtkkXmf/bDsvqtU+lLToChAP0UZ0b2gTzwAqE+Wpor:YXtb5KcXr7XmfgqtjhAxZ0b2w
Malware Config
Extracted
asyncrat
Default
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
https://api.telegram.org/bot6262478318:AAEqedFZNfM7RDmwiB5zqGKujYhSsE9VyNs/sendMessage?chat_id=864846486
AsyncMutex_6SI8OkPnk
-
delay
3
-
install
false
-
install_folder
%AppData%
Signatures
-
Async RAT payload 1 IoCs
resource yara_rule sample asyncrat -
Asyncrat family
-
StormKitty payload 1 IoCs
resource yara_rule sample family_stormkitty -
Stormkitty family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Server.exe
Files
-
Server.exe.exe windows x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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: 172KB - Virtual size: 172KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
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