Analysis
- max time kernel
75s - max time network
111s - platform
windows10_x64 - resource
win10v20201028 - submitted
17/03/2021, 18:07
Static task
static1
Behavioral task
behavioral1
Sample
eb3e4eeecafea0b44f2fa0ed4a0748b79a9b759ed256ac2b83ac08f399cec168.dll
Resource
win7v20201028
0 signatures
0 seconds
General
- Target eb3e4eeecafea0b44f2fa0ed4a0748b79a9b759ed256ac2b83ac08f399cec168.dll
- Size 208KB
- Sample210317-dfettyrdy2
- SHA256 eb3e4eeecafea0b44f2fa0ed4a0748b79a9b759ed256ac2b83ac08f399cec168
- MD5 a81e5877e1f8e7e704a266aec58985b5
- SHA1 4d981fb3d4c9738e373e7080cbcfbc3fb259c6f9
- SHA512 a53d8ee3fbae5487aafd32f971935a3cf3af7013ee722044b1bc11abb7346c7ba3eef3aa41692de4d368beba5aea49a3a9ff8571e81902adff3743a32a975694
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
dridex
Botnet
-
111
C2
-
77.220.64.137:443
-
66.228.134.180:6601
-
199.204.214.26:7073
rc4.plain
rc4.plain
Signatures
-
resource yara_rule behavioral2/memory/4728-3-0x0000000074400000-0x0000000074436000-memory.dmp dridex_ldr behavioral2/memory/4728-5-0x0000000074400000-0x0000000074421000-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 3 IoCs
description pid Process procid_target PID 4712 wrote to memory of 4728 4712 rundll32.exe 70 PID 4712 wrote to memory of 4728 4712 rundll32.exe 70 PID 4712 wrote to memory of 4728 4712 rundll32.exe 70
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\eb3e4eeecafea0b44f2fa0ed4a0748b79a9b759ed256ac2b83ac08f399cec168.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4712 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\eb3e4eeecafea0b44f2fa0ed4a0748b79a9b759ed256ac2b83ac08f399cec168.dll,#12⤵
- Checks whether UAC is enabled
PID:4728
-