dridex | cf49b3cd7d414bc58abe9866ab89beb277323ffc2192ddca34420ff6aacb5e0a

Analysis

max time kernel
18s
max time network
136s
platform
windows10_x64
resource
win10v20210410
submitted
19/04/2021, 17:29

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General

Target
cf49b3cd7d414bc58abe9866ab89beb277323ffc2192ddca34420ff6aacb5e0a.dll
Size 162KB
Sample210419-kyn2e2v3hn
SHA256 cf49b3cd7d414bc58abe9866ab89beb277323ffc2192ddca34420ff6aacb5e0a
MD5 9b5a7074faf1e8fa7bb44cf5abd1f2ab
SHA1 2f19ff4ea90e84f3962377241758e9d9dde1bd7e
SHA512 702c7ab88a37a5363d6fae0391aef182aff64ed31a7d7564f0de6f35158c3927250975fdbe6bb09059c12aeae4838859dcbc58f7db7c674febe07fabd3b4d4c0
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/3140-115-0x00000000736B0000-0x00000000736DE000-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 1844 wrote to memory of 3140	1844	rundll32.exe	43
PID 1844 wrote to memory of 3140	1844	rundll32.exe	43
PID 1844 wrote to memory of 3140	1844	rundll32.exe	43

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf49b3cd7d414bc58abe9866ab89beb277323ffc2192ddca34420ff6aacb5e0a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1844
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf49b3cd7d414bc58abe9866ab89beb277323ffc2192ddca34420ff6aacb5e0a.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3140

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/3140-115-0x00000000736B0000-0x00000000736DE000-memory.dmp

Download

memory/3140-117-0x0000000000C40000-0x0000000000C46000-memory.dmp