dridex | b0b66eabf3e931e82bc153d5838e6627c96c2c8c87dacb4679ccbef43fa76630

Analysis

max time kernel
25s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
22-06-2021 13:42

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General

Target

b0b66eabf3e931e82bc153d5838e6627c96c2c8c87dacb4679ccbef43fa76630.dll
Size

158KB
MD5

4ce999ecc44ea99492f4fe70a94a8a57
SHA1

9a943c201daeae5dcfe6cef981b08b946c8d3261
SHA256

b0b66eabf3e931e82bc153d5838e6627c96c2c8c87dacb4679ccbef43fa76630
SHA512

b92fcadd9c1d6de918aec655484569fe7bdd644b1a594602fa771b201e3f81ded963e4a0a6e022ca2c4534a681938794d992865eaf1200b59597bb5f79c527d4

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/364-115-0x0000000073550000-0x000000007357D000-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 804 wrote to memory of 364	804	rundll32.exe	rundll32.exe
PID 804 wrote to memory of 364	804	rundll32.exe	rundll32.exe
PID 804 wrote to memory of 364	804	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0b66eabf3e931e82bc153d5838e6627c96c2c8c87dacb4679ccbef43fa76630.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:804
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0b66eabf3e931e82bc153d5838e6627c96c2c8c87dacb4679ccbef43fa76630.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:364

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/364-114-0x0000000000000000-mapping.dmp

Download
memory/364-115-0x0000000073550000-0x000000007357D000-memory.dmp

Filesize
180KB

Download
memory/364-117-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download