dridex | 259df0f731a622d3f178c3ad52f4e6e3a003607c8d6c790a63cd1b41089a1e63

Analysis

max time kernel
19s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
20-06-2021 16:53

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General

Target

259df0f731a622d3f178c3ad52f4e6e3a003607c8d6c790a63cd1b41089a1e63.dll
Size

158KB
MD5

7b8bde16d9dad472e5978d2298641838
SHA1

7c6f12786abafe094dad3ef8268db81ad755e2df
SHA256

259df0f731a622d3f178c3ad52f4e6e3a003607c8d6c790a63cd1b41089a1e63
SHA512

1d4d3fdada337c329d4864ab90d865d38ca79f414ca4a859d644a27f18057f469733954a2d798a7d459938443799c6364839e786f861a3c21bd385cec15a74ef

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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

Processes:

resource	yara_rule
behavioral1/memory/1828-115-0x0000000073660000-0x000000007368D000-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 4092 wrote to memory of 1828	4092	rundll32.exe	rundll32.exe
PID 4092 wrote to memory of 1828	4092	rundll32.exe	rundll32.exe
PID 4092 wrote to memory of 1828	4092	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\259df0f731a622d3f178c3ad52f4e6e3a003607c8d6c790a63cd1b41089a1e63.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4092
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\259df0f731a622d3f178c3ad52f4e6e3a003607c8d6c790a63cd1b41089a1e63.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1828

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/1828-114-0x0000000000000000-mapping.dmp

Download
memory/1828-115-0x0000000073660000-0x000000007368D000-memory.dmp

Filesize
180KB

Download
memory/1828-117-0x00000000009D0000-0x0000000000B1A000-memory.dmp

Filesize
1.3MB

Download