dridex | 8dc9a6c56ccd7ff47fb2417dafe7a1ec055e64b972bc6661c018d38ea5976956

Analysis

max time kernel
20s
max time network
126s
platform
windows10_x64
resource
win10v20210410
submitted
22-06-2021 05:58

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General

Target

8dc9a6c56ccd7ff47fb2417dafe7a1ec055e64b972bc6661c018d38ea5976956.dll
Size

160KB
MD5

10cd7097d39a0ed631680eafa7c40948
SHA1

4738913007203659dc6047323fd3a2cfeb8a6682
SHA256

8dc9a6c56ccd7ff47fb2417dafe7a1ec055e64b972bc6661c018d38ea5976956
SHA512

7e83589e06713cbe654bc0dd60f091326109c53fe8ba30fed3ff2d92878b8b3bdfefc5fc1413d0f3d10e1f89bbf36afd95e9d6e7ed19d174dccc13cd13779dcf

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/356-115-0x0000000073DE0000-0x0000000073E0E000-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 356	3944	rundll32.exe	rundll32.exe
PID 3944 wrote to memory of 356	3944	rundll32.exe	rundll32.exe
PID 3944 wrote to memory of 356	3944	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8dc9a6c56ccd7ff47fb2417dafe7a1ec055e64b972bc6661c018d38ea5976956.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3944
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8dc9a6c56ccd7ff47fb2417dafe7a1ec055e64b972bc6661c018d38ea5976956.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:356

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/356-114-0x0000000000000000-mapping.dmp

Download
memory/356-115-0x0000000073DE0000-0x0000000073E0E000-memory.dmp

Filesize
184KB

Download
memory/356-117-0x0000000000900000-0x0000000000906000-memory.dmp

Filesize
24KB

Download