dridex | 199519753679b28fae1019337407e872d2b6b4f8fe5c5e658cbf96179442e472

Analysis

max time kernel
123s
max time network
124s
platform
windows7_x64
resource
win7v20210410
submitted
11-05-2021 10:37

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General

Target

199519753679b28fae1019337407e872d2b6b4f8fe5c5e658cbf96179442e472.dll
Size

161KB
MD5

7e64fee00137aa1d45a3459786e62d02
SHA1

027f7e5a8fbde1b3883d75274ecdf98f2732a22d
SHA256

199519753679b28fae1019337407e872d2b6b4f8fe5c5e658cbf96179442e472
SHA512

2a957bff657437fe818f50b4f57a7bed3a628a2417391d09622dc9c44ccb7d33add927ed86457086c9839d8ae8b90c319b7b0f472d88f7aaf4fa97156e743134

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/1604-61-0x0000000074DF0000-0x0000000074E1E000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1676 wrote to memory of 1604	1676	rundll32.exe	rundll32.exe
PID 1676 wrote to memory of 1604	1676	rundll32.exe	rundll32.exe
PID 1676 wrote to memory of 1604	1676	rundll32.exe	rundll32.exe
PID 1676 wrote to memory of 1604	1676	rundll32.exe	rundll32.exe
PID 1676 wrote to memory of 1604	1676	rundll32.exe	rundll32.exe
PID 1676 wrote to memory of 1604	1676	rundll32.exe	rundll32.exe
PID 1676 wrote to memory of 1604	1676	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\199519753679b28fae1019337407e872d2b6b4f8fe5c5e658cbf96179442e472.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1676

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\199519753679b28fae1019337407e872d2b6b4f8fe5c5e658cbf96179442e472.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1604

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1604-59-0x0000000000000000-mapping.dmp

Download
memory/1604-60-0x0000000075971000-0x0000000075973000-memory.dmp

Filesize
8KB

Download
memory/1604-61-0x0000000074DF0000-0x0000000074E1E000-memory.dmp

Filesize
184KB

Download
memory/1604-63-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download