dridex | e811a6db8475d0612a12de9138da863e9e714345f3231ea9f0ada9f87f4f2740

Analysis

max time kernel
26s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
06/05/2021, 16:02

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General

Target
fcf59e1e_by_Libranalysis.dll
Size 162KB
Sample210506-r37gnpl54e
SHA256 e811a6db8475d0612a12de9138da863e9e714345f3231ea9f0ada9f87f4f2740
MD5 fcf59e1eb5d403d4d44ad0a845668855
SHA1 2e7db24246d5aa02e3a4a995400a4a29addc2917
SHA512 560cadf7f640e2f32e91fb895b2b129c2ad334051fe3bea1808ca873259f9b9ca3a557f4ef74fbecc8b8734a22306e3a7ba3474148f7f745eaf59353679deee5
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/2260-115-0x0000000073EE0000-0x0000000073F0E000-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 3516 wrote to memory of 2260	3516	rundll32.exe	43
PID 3516 wrote to memory of 2260	3516	rundll32.exe	43
PID 3516 wrote to memory of 2260	3516	rundll32.exe	43

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fcf59e1e_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3516
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fcf59e1e_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2260

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/2260-115-0x0000000073EE0000-0x0000000073F0E000-memory.dmp

Download

memory/2260-117-0x00000000027E0000-0x00000000027E6000-memory.dmp