dridex | 77e1c8216ddb94a041b66a4d54d31bdbf3db7d2ea70d3762f97bf53d32cc074e

Analysis

max time kernel
24s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
21/04/2021, 13:45

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General

Target
77e1c8216ddb94a041b66a4d54d31bdbf3db7d2ea70d3762f97bf53d32cc074e.dll
Size 162KB
Sample210421-6dv993a56e
SHA256 77e1c8216ddb94a041b66a4d54d31bdbf3db7d2ea70d3762f97bf53d32cc074e
MD5 894beb091d7d70aa588d2eca4e9e3613
SHA1 92ef4ca59534a6aabe20084a1b9b729d7ccdf1a7
SHA512 78bc0a0342096d47c70af611c965292e5360323cafb86d4e646f58f408729abec326ce4cf1a5cb12adf774d5a8390b845723f2cd2db7a23fe086ff35259ebf54
MD5 SHA1 SHA512

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172

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
behavioral2/memory/1492-115-0x0000000073F10000-0x0000000073F3E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

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 380 wrote to memory of 1492	380	rundll32.exe	69
PID 380 wrote to memory of 1492	380	rundll32.exe	69
PID 380 wrote to memory of 1492	380	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\77e1c8216ddb94a041b66a4d54d31bdbf3db7d2ea70d3762f97bf53d32cc074e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:380
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\77e1c8216ddb94a041b66a4d54d31bdbf3db7d2ea70d3762f97bf53d32cc074e.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1492

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1492-115-0x0000000073F10000-0x0000000073F3E000-memory.dmp

Download

memory/1492-117-0x0000000000E40000-0x0000000000E46000-memory.dmp