dridex | 415777da7c971c5f4238621efc3322b2a25ea9500901fad4e48e7ed0149623ad

Analysis

max time kernel
18s
max time network
115s
platform
windows10_x64
resource
win10v20210410
submitted
29-06-2021 22:45

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General

Target

415777da7c971c5f4238621efc3322b2a25ea9500901fad4e48e7ed0149623ad.dll
Size

160KB
MD5

4cbcbc58e7f770365435e773bca41f2f
SHA1

f604ebbf5bb8501874baee1a0c513b20349e96ff
SHA256

415777da7c971c5f4238621efc3322b2a25ea9500901fad4e48e7ed0149623ad
SHA512

816456e03184959c5170d5b4984f985b0ce8641a5093b812f1ec0694ca53f529b5728da5b6b4b48a2ad9c426a4cd2e51fe4d10761a6d72ca3c288e7df6813edc

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/3152-115-0x0000000073860000-0x000000007388E000-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 3944 wrote to memory of 3152	3944	rundll32.exe	rundll32.exe
PID 3944 wrote to memory of 3152	3944	rundll32.exe	rundll32.exe
PID 3944 wrote to memory of 3152	3944	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\415777da7c971c5f4238621efc3322b2a25ea9500901fad4e48e7ed0149623ad.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3944
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\415777da7c971c5f4238621efc3322b2a25ea9500901fad4e48e7ed0149623ad.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3152

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/3152-114-0x0000000000000000-mapping.dmp

Download
memory/3152-115-0x0000000073860000-0x000000007388E000-memory.dmp

Filesize
184KB

Download
memory/3152-117-0x0000000000400000-0x00000000004AE000-memory.dmp

Filesize
696KB

Download