dridex | 8d20554db9d93d15e47f4231b393325bd0dd2218ea723b91b08adb22ac7976b3

Analysis

max time kernel
19s
max time network
116s
platform
windows10_x64
resource
win10v20210410
submitted
10-06-2021 23:18

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General

Target

8d20554db9d93d15e47f4231b393325bd0dd2218ea723b91b08adb22ac7976b3.dll
Size

158KB
MD5

0ef4bd0ec7952e31113ac406ab7a0112
SHA1

15727a274e94c2ab86eed7fee3539e6ae557fa53
SHA256

8d20554db9d93d15e47f4231b393325bd0dd2218ea723b91b08adb22ac7976b3
SHA512

62b8f6dd9baaf1c7bcb68a76d655b79b56039c8ce0eba6a85b9175268a2b5cbd265b7584051494b0e465c52a113ba392ff16f76bd8386f6bdd538b3285252e21

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/4456-115-0x0000000074290000-0x00000000742BD000-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 4440 wrote to memory of 4456	4440	rundll32.exe	rundll32.exe
PID 4440 wrote to memory of 4456	4440	rundll32.exe	rundll32.exe
PID 4440 wrote to memory of 4456	4440	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8d20554db9d93d15e47f4231b393325bd0dd2218ea723b91b08adb22ac7976b3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4440

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8d20554db9d93d15e47f4231b393325bd0dd2218ea723b91b08adb22ac7976b3.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4456

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

Replay Monitor

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Downloads

memory/4456-114-0x0000000000000000-mapping.dmp

Download
memory/4456-115-0x0000000074290000-0x00000000742BD000-memory.dmp

Filesize
180KB

Download
memory/4456-117-0x0000000000D90000-0x0000000000D96000-memory.dmp

Filesize
24KB

Download