Analysis
- max time kernel
30s - max time network
87s - platform
windows7_x64 - resource
win7v20210408 - submitted
08/05/2021, 17:11
Static task
static1
Behavioral task
behavioral1
Sample
99610bba_by_Libranalysis.dll
Resource
win7v20210408
0 signatures
0 seconds
General
- Target 99610bba_by_Libranalysis.dll
- Size 162KB
- Sample210508-ee91sx1eb6
- SHA256 281b6ddf1c62f47ab8bbd1b3dd06e2b2bfca9ccca4c308018b897418bbbca420
- MD5 99610bba9edafd824249d4345395d89f
- SHA1 9ec46f2fc1611a86b2d7219ffa66d44b5137d7e4
- SHA512 4d7a2db50d033c02385b20e47094aba1f6dfe7f18b8a3a1df67f0d9a75fafb1b852dd214110553730591c0505d738f485bfa88dec95438b6e064fddb49e74c6b
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
dridex
Botnet
-
40112
C2
-
107.172.227.10:443
-
172.93.133.123:2303
-
108.168.61.147:8172
rc4.plain
rc4.plain
Signatures
-
resource yara_rule behavioral1/memory/1592-62-0x00000000749E0000-0x0000000074A0E000-memory.dmp dridex_ldr -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 344 wrote to memory of 1592 344 rundll32.exe 25 PID 344 wrote to memory of 1592 344 rundll32.exe 25 PID 344 wrote to memory of 1592 344 rundll32.exe 25 PID 344 wrote to memory of 1592 344 rundll32.exe 25 PID 344 wrote to memory of 1592 344 rundll32.exe 25 PID 344 wrote to memory of 1592 344 rundll32.exe 25 PID 344 wrote to memory of 1592 344 rundll32.exe 25
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\99610bba_by_Libranalysis.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:344 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\99610bba_by_Libranalysis.dll,#12⤵
- Checks whether UAC is enabled
PID:1592
-