dridex | fb5b41c5b68c12a0485c6fbb542c954d63a1f020413aacc18d9e97031717a2f2

Analysis

max time kernel
26s
max time network
114s
platform
windows10_x64
resource
win10v20210408
submitted
25-06-2021 03:46

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General

Target

fb5b41c5b68c12a0485c6fbb542c954d63a1f020413aacc18d9e97031717a2f2.dll
Size

160KB
MD5

3816595c1fc743a4e16973162d696552
SHA1

6ff3fa060a89196498831df21d6ba7a78b81d0c8
SHA256

fb5b41c5b68c12a0485c6fbb542c954d63a1f020413aacc18d9e97031717a2f2
SHA512

65ea413b2ee97bb3a00f8b0c430652a29b8ab5758f89b25bac30b7f4ab5e226c0cd044ae335a9cf8eebd1cb5af22ae6c645803df0d74e4e65f3d6e79e899e58a

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/1360-115-0x0000000073F50000-0x0000000073F7E000-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 912 wrote to memory of 1360	912	rundll32.exe	rundll32.exe
PID 912 wrote to memory of 1360	912	rundll32.exe	rundll32.exe
PID 912 wrote to memory of 1360	912	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb5b41c5b68c12a0485c6fbb542c954d63a1f020413aacc18d9e97031717a2f2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:912

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fb5b41c5b68c12a0485c6fbb542c954d63a1f020413aacc18d9e97031717a2f2.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1360

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/1360-114-0x0000000000000000-mapping.dmp

Download
memory/1360-115-0x0000000073F50000-0x0000000073F7E000-memory.dmp

Filesize
184KB

Download
memory/1360-117-0x0000000003470000-0x0000000003476000-memory.dmp

Filesize
24KB

Download