dridex | b7d8ea0398bb925d71d3960c0ffc84ca4b94f47fea3930d5558d7e726957d6d1

Analysis

max time kernel
100s
max time network
132s
platform
windows10_x64
resource
win10v20210410
submitted
29/04/2021, 05:06

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General

Target
2946b057_by_Libranalysis.dll
Size 162KB
Sample210429-jjpvmhs6xe
SHA256 b7d8ea0398bb925d71d3960c0ffc84ca4b94f47fea3930d5558d7e726957d6d1
MD5 2946b05732175781703672b4c4022a9c
SHA1 0adad0bab79af075fa5fa719e52569bc3a948602
SHA512 1e921cf1daf66210241ec2deea927e249e1011b58a34a545ffc933e12246ea2b5f9373198d9da239a08f9cac2e4ff5caf2ff16a7a8501464ee791f0795b46678
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/4092-115-0x0000000073A70000-0x0000000073A9E000-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 3872 wrote to memory of 4092	3872	rundll32.exe	69
PID 3872 wrote to memory of 4092	3872	rundll32.exe	69
PID 3872 wrote to memory of 4092	3872	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2946b057_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3872
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2946b057_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4092

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/4092-115-0x0000000073A70000-0x0000000073A9E000-memory.dmp

Download

memory/4092-117-0x0000000002FF0000-0x0000000002FF6000-memory.dmp