dridex | 777d396d3b959dc21ed204fdb3fe2c6f129352595ff86c4bcc2ee4f5f9926d20

Analysis

max time kernel
61s
max time network
52s
platform
windows10_x64
resource
win10v20201028
submitted
06-04-2021 00:50

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General

Target

777d396d3b959dc21ed204fdb3fe2c6f129352595ff86c4bcc2ee4f5f9926d20.dll
Size

192KB
MD5

8b9018ba00c9e12851e5318611424b4b
SHA1

47bd0da8d8417d3faccd409c704418e4437ee7d4
SHA256

777d396d3b959dc21ed204fdb3fe2c6f129352595ff86c4bcc2ee4f5f9926d20
SHA512

66113c2edb1e4f93e0f74bbd474c7e29be4e14bcbfcfa39f56b23e4c736f1c6f1dd8eaa195b36974330ec05494003010f76214e0fa5bc4cdd930d75ee2c78a07

Score

10^/10

dridex 111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

77.220.64.135:443

107.180.90.10:6601

31.24.158.56:7275

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/4820-3-0x00000000737C0000-0x00000000737F2000-memory.dmp	dridex_ldr
behavioral1/memory/4820-5-0x00000000737C0000-0x00000000737E1000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4772 wrote to memory of 4820	4772	rundll32.exe	rundll32.exe
PID 4772 wrote to memory of 4820	4772	rundll32.exe	rundll32.exe
PID 4772 wrote to memory of 4820	4772	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\777d396d3b959dc21ed204fdb3fe2c6f129352595ff86c4bcc2ee4f5f9926d20.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4772

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\777d396d3b959dc21ed204fdb3fe2c6f129352595ff86c4bcc2ee4f5f9926d20.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4820

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4820-2-0x0000000000000000-mapping.dmp

Download
memory/4820-3-0x00000000737C0000-0x00000000737F2000-memory.dmp

Filesize
200KB

Download
memory/4820-4-0x0000000003090000-0x0000000003096000-memory.dmp

Filesize
24KB

Download
memory/4820-5-0x00000000737C0000-0x00000000737E1000-memory.dmp

Filesize
132KB

Download