dridex | c2168363258585cd2ee8434168f053eecb8926ee9a013e3043f48b4bae9a505a

Analysis

max time kernel
138s
max time network
140s
platform
windows7_x64
resource
win7v20201028
submitted
24/02/2021, 15:31

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General

Target
c2168363258585cd2ee8434168f053eecb8926ee9a013e3043f48b4bae9a505a.dll
Size 188KB
Sample210224-nd4etc2w86
SHA256 c2168363258585cd2ee8434168f053eecb8926ee9a013e3043f48b4bae9a505a
MD5 94c520bf34e4ed306295d4254851fc01
SHA1 f528a3571ffb5569a9693aa16345b8e30151f956
SHA512 414869b017cd7741ee403e04f299eaf8b157ef326d661175f2ad3448a40e18404dee5a3719c2dc6323c94019e9a7f7f57cb8094eb0b07d98000e7f033073f0ea
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

209.151.236.42:443
91.121.94.86:8172
5.189.144.136:6516

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1084-5-0x00000000752E0000-0x0000000075311000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1108	1084	WerFault.exe	25

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1108	WerFault.exe
1108	WerFault.exe
1108	WerFault.exe
1108	WerFault.exe
1108	WerFault.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1108	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 1084	1724	rundll32.exe	25
PID 1724 wrote to memory of 1084	1724	rundll32.exe	25
PID 1724 wrote to memory of 1084	1724	rundll32.exe	25
PID 1724 wrote to memory of 1084	1724	rundll32.exe	25
PID 1724 wrote to memory of 1084	1724	rundll32.exe	25
PID 1724 wrote to memory of 1084	1724	rundll32.exe	25
PID 1724 wrote to memory of 1084	1724	rundll32.exe	25
PID 1084 wrote to memory of 1108	1084	rundll32.exe	30
PID 1084 wrote to memory of 1108	1084	rundll32.exe	30
PID 1084 wrote to memory of 1108	1084	rundll32.exe	30
PID 1084 wrote to memory of 1108	1084	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c2168363258585cd2ee8434168f053eecb8926ee9a013e3043f48b4bae9a505a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c2168363258585cd2ee8434168f053eecb8926ee9a013e3043f48b4bae9a505a.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1084
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1084 -s 352
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1108

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1084-3-0x00000000761E1000-0x00000000761E3000-memory.dmp

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memory/1084-4-0x0000000074F70000-0x0000000075113000-memory.dmp

Download

memory/1084-5-0x00000000752E0000-0x0000000075311000-memory.dmp

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memory/1084-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

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memory/1108-8-0x0000000002210000-0x0000000002221000-memory.dmp

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memory/1108-9-0x0000000000310000-0x0000000000311000-memory.dmp

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