dridex | 4fdac8abe39e856a536fc54cc68b054be9b0f3ef6f8aca4446f336f6a774ba2d

Analysis

max time kernel
27s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
21/04/2021, 09:31

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General

Target
4fdac8abe39e856a536fc54cc68b054be9b0f3ef6f8aca4446f336f6a774ba2d.dll
Size 162KB
Sample210421-nyqce7pgws
SHA256 4fdac8abe39e856a536fc54cc68b054be9b0f3ef6f8aca4446f336f6a774ba2d
MD5 55046bc0e1c9f78367dc687ba48e8645
SHA1 73d04db3933bad5e09c71d57e4943f60cc6f7170
SHA512 eec9d4bbae10ab176a1f9a4b6c2866b17185887f0b8a696fc3cb78ba1826250767fa6092e3ee9715d28ba132c952dfecef5a7c3e0ef2cc218ca55374724f1375
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/476-115-0x0000000074450000-0x000000007447E000-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 656 wrote to memory of 476	656	rundll32.exe	68
PID 656 wrote to memory of 476	656	rundll32.exe	68
PID 656 wrote to memory of 476	656	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4fdac8abe39e856a536fc54cc68b054be9b0f3ef6f8aca4446f336f6a774ba2d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:656
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4fdac8abe39e856a536fc54cc68b054be9b0f3ef6f8aca4446f336f6a774ba2d.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:476

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/476-115-0x0000000074450000-0x000000007447E000-memory.dmp

Download

memory/476-117-0x0000000002D70000-0x0000000002D76000-memory.dmp