dridex | d2f309491f24e301dffac699fbd2def19311ca48b0a003e705d815ba8b050f97

Analysis

max time kernel
24s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
19/04/2021, 20:43

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General

Target
d2f309491f24e301dffac699fbd2def19311ca48b0a003e705d815ba8b050f97.dll
Size 162KB
Sample210419-skl8xevfle
SHA256 d2f309491f24e301dffac699fbd2def19311ca48b0a003e705d815ba8b050f97
MD5 dcb246497fdf60aa38f4a178c110bd11
SHA1 b9256bc95ca2d9f472432494762aae61d3daacfb
SHA512 731b31f9cce3d71196fdbf637a533517d47cb50958f7f90517d0470e982b2ab6d257a3a9389d2ff8e2d0d1a2b8d94ec13eb789f631219e1b28b4ad8b756000da
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/3688-115-0x00000000735D0000-0x00000000735FE000-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 3912 wrote to memory of 3688	3912	rundll32.exe	71
PID 3912 wrote to memory of 3688	3912	rundll32.exe	71
PID 3912 wrote to memory of 3688	3912	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d2f309491f24e301dffac699fbd2def19311ca48b0a003e705d815ba8b050f97.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3912
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d2f309491f24e301dffac699fbd2def19311ca48b0a003e705d815ba8b050f97.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3688

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/3688-115-0x00000000735D0000-0x00000000735FE000-memory.dmp

Download

memory/3688-117-0x00000000029E0000-0x00000000029E6000-memory.dmp