dridex | 64fdf61866b37ce68b84e513bb9b234ec59803a90ba95801c4912d73d8491c41

Analysis

max time kernel
25s
max time network
119s
platform
windows10_x64
resource
win10v20210408
submitted
23-06-2021 03:25

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General

Target

64fdf61866b37ce68b84e513bb9b234ec59803a90ba95801c4912d73d8491c41.dll
Size

160KB
MD5

5e9c7fbdde22581c3bc299024a60b057
SHA1

388ca8d6aa22ef45e16e281779a529107ed74d0c
SHA256

64fdf61866b37ce68b84e513bb9b234ec59803a90ba95801c4912d73d8491c41
SHA512

06152c9156e950395fd9fca08b9c06e2c46ab6225521b384dd9df1bed61efdb2376ac44d6c4c405f4262709dca2e686ee69d29350aaca50c2737f29ee48f9cff

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/368-115-0x00000000742C0000-0x00000000742EE000-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 636 wrote to memory of 368	636	rundll32.exe	rundll32.exe
PID 636 wrote to memory of 368	636	rundll32.exe	rundll32.exe
PID 636 wrote to memory of 368	636	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\64fdf61866b37ce68b84e513bb9b234ec59803a90ba95801c4912d73d8491c41.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:636

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\64fdf61866b37ce68b84e513bb9b234ec59803a90ba95801c4912d73d8491c41.dll,#1
2⤵
- Checks whether UAC is enabled
PID:368

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/368-114-0x0000000000000000-mapping.dmp

Download
memory/368-115-0x00000000742C0000-0x00000000742EE000-memory.dmp

Filesize
184KB

Download
memory/368-117-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download