dridex | 71d3a166ff87199973868ccf4242b83d9b22b29cff3eed72d48c2a6c46e2bf79

Analysis

max time kernel
19s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
15/04/2021, 17:34

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General

Target
71d3a166ff87199973868ccf4242b83d9b22b29cff3eed72d48c2a6c46e2bf79.dll
Size 162KB
Sample210415-jjak75apaa
SHA256 71d3a166ff87199973868ccf4242b83d9b22b29cff3eed72d48c2a6c46e2bf79
MD5 60afd7f9f1bbc99215f5d0e8c806960d
SHA1 62d7c56ed592f0873d8c5f5c6ed2bed076d3079d
SHA512 7396ff8588417e5c28d431e1e3c7ecadee58a8a947add4f30303835f64cb92390d5c4d44b97549795a8b069245705e00f8b5b12eab90a628dee3dde8df8b56d1
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/3532-115-0x0000000073860000-0x000000007388E000-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 1824 wrote to memory of 3532	1824	rundll32.exe	70
PID 1824 wrote to memory of 3532	1824	rundll32.exe	70
PID 1824 wrote to memory of 3532	1824	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\71d3a166ff87199973868ccf4242b83d9b22b29cff3eed72d48c2a6c46e2bf79.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1824
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\71d3a166ff87199973868ccf4242b83d9b22b29cff3eed72d48c2a6c46e2bf79.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3532

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/3532-115-0x0000000073860000-0x000000007388E000-memory.dmp

Download

memory/3532-117-0x00000000025D0000-0x00000000025D6000-memory.dmp