dridex | cf6cda752067033db369ad67d4b1a5032fda3b2abe930c83e1eeaf7817f75ec5

Analysis

max time kernel
30s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
19/04/2021, 20:29

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General

Target
cf6cda752067033db369ad67d4b1a5032fda3b2abe930c83e1eeaf7817f75ec5.dll
Size 162KB
Sample210419-c7d4rs1m56
SHA256 cf6cda752067033db369ad67d4b1a5032fda3b2abe930c83e1eeaf7817f75ec5
MD5 7c34fce85497a9043a0f42b2b22dd5ca
SHA1 9721cad77339dd754995c3c6584f07f3f5b81f0b
SHA512 9be23d84b989c792b80d56d51292ca1a6a7ed9883d6ecc67e5a1efaad1c0864d067dca321e4a2963e3df19ac1f8a23f91fa33b810230238d020e4bf749dd205a
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/4872-115-0x0000000073880000-0x00000000738AE000-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 4800 wrote to memory of 4872	4800	rundll32.exe	70
PID 4800 wrote to memory of 4872	4800	rundll32.exe	70
PID 4800 wrote to memory of 4872	4800	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf6cda752067033db369ad67d4b1a5032fda3b2abe930c83e1eeaf7817f75ec5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4800
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf6cda752067033db369ad67d4b1a5032fda3b2abe930c83e1eeaf7817f75ec5.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4872

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/4872-115-0x0000000073880000-0x00000000738AE000-memory.dmp

Download

memory/4872-117-0x00000000031E0000-0x00000000031E6000-memory.dmp