dridex | 4ab54a15430d4b73ad01ea0bcc1da4129ae0a03773813e773cf264c78d323191

Analysis

max time kernel
138s
max time network
139s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:03

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General

Target

4ab54a15430d4b73ad01ea0bcc1da4129ae0a03773813e773cf264c78d323191.dll
Size

158KB
MD5

09dbd3800e3d37149fe75c955732b556
SHA1

3b0a2054f5a45721a6ed9679a340b6b09423579d
SHA256

4ab54a15430d4b73ad01ea0bcc1da4129ae0a03773813e773cf264c78d323191
SHA512

4e956ef689dde9d0a137767455b5ede4c16bead5b9b3631d30972586fb5c5e5ca14aac8227b8096e0037454c1bb024fcb927ee9eda63592d78ac9ca64b280579

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

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
behavioral2/memory/1420-115-0x0000000074260000-0x000000007428D000-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 424 wrote to memory of 1420	424	rundll32.exe	rundll32.exe
PID 424 wrote to memory of 1420	424	rundll32.exe	rundll32.exe
PID 424 wrote to memory of 1420	424	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ab54a15430d4b73ad01ea0bcc1da4129ae0a03773813e773cf264c78d323191.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:424

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4ab54a15430d4b73ad01ea0bcc1da4129ae0a03773813e773cf264c78d323191.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1420

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/1420-114-0x0000000000000000-mapping.dmp

Download
memory/1420-115-0x0000000074260000-0x000000007428D000-memory.dmp

Filesize
180KB

Download
memory/1420-117-0x0000000003250000-0x0000000003256000-memory.dmp

Filesize
24KB

Download