dridex | 49fdfc3aae8810053753e07d3862e747fe53b307ddbac2938c8fc0fe5dc9f296

Analysis

max time kernel
19s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
25-06-2021 05:51

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General

Target

49fdfc3aae8810053753e07d3862e747fe53b307ddbac2938c8fc0fe5dc9f296.dll
Size

160KB
MD5

d28905e6ab2f266deccdf88dbdd31eca
SHA1

b6a36dc2dca15a54c1fed912245753c3fe999b05
SHA256

49fdfc3aae8810053753e07d3862e747fe53b307ddbac2938c8fc0fe5dc9f296
SHA512

fc4c972564e1e597fd3d4151d6e7aaa5f8f70f2ad8a18d739ff381b98c0107fa90592f317d7b70c6e5e3b1ece445eb9bf6b111f83faf917f7f273138b081a527

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/3780-115-0x0000000074480000-0x00000000744AE000-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 4024 wrote to memory of 3780	4024	rundll32.exe	rundll32.exe
PID 4024 wrote to memory of 3780	4024	rundll32.exe	rundll32.exe
PID 4024 wrote to memory of 3780	4024	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\49fdfc3aae8810053753e07d3862e747fe53b307ddbac2938c8fc0fe5dc9f296.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4024

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\49fdfc3aae8810053753e07d3862e747fe53b307ddbac2938c8fc0fe5dc9f296.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3780

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/3780-114-0x0000000000000000-mapping.dmp

Download
memory/3780-115-0x0000000074480000-0x00000000744AE000-memory.dmp

Filesize
184KB

Download
memory/3780-117-0x0000000003370000-0x0000000003376000-memory.dmp

Filesize
24KB

Download