dridex | 7210777ff8a9f34b40e8e4cd88f210380d8b2253aadfeb5bb55947e28ff19770

Analysis

max time kernel
25s
max time network
71s
platform
windows10_x64
resource
win10v20210408
submitted
14/04/2021, 20:56

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General

Target
7210777ff8a9f34b40e8e4cd88f210380d8b2253aadfeb5bb55947e28ff19770.dll
Size 162KB
Sample210414-s7vnn4f89e
SHA256 7210777ff8a9f34b40e8e4cd88f210380d8b2253aadfeb5bb55947e28ff19770
MD5 ec840c3ce4ad2518d5e9fd9cfe748009
SHA1 37ebc66db2a72bba438c08a07958bbda6a62c7b3
SHA512 825e6e375d69a80a0cf18ba37dfb6ec1ca71437a8afa58ff01d0ae83a278ab71bbd1d2482470a8297213b2d58559eda5c02dac0a7bfbabf485b06806ded8a93c
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/1324-115-0x00000000738F0000-0x000000007391E000-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 860 wrote to memory of 1324	860	rundll32.exe	70
PID 860 wrote to memory of 1324	860	rundll32.exe	70
PID 860 wrote to memory of 1324	860	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7210777ff8a9f34b40e8e4cd88f210380d8b2253aadfeb5bb55947e28ff19770.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:860
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7210777ff8a9f34b40e8e4cd88f210380d8b2253aadfeb5bb55947e28ff19770.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1324

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/1324-115-0x00000000738F0000-0x000000007391E000-memory.dmp

Download

memory/1324-117-0x00000000008C0000-0x00000000008C6000-memory.dmp