dridex | a6aa511fb4a0a5f5b43027dde93132c9645ef715ce2af03c4c604fd22940acfb

Analysis

max time kernel
27s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
25-06-2021 01:29

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General

Target

a6aa511fb4a0a5f5b43027dde93132c9645ef715ce2af03c4c604fd22940acfb.dll
Size

160KB
MD5

40c66085f85a03d37c6aa178aa0e5dee
SHA1

6c84d901dc70308f9cfd7ebaeeade5342fe2464f
SHA256

a6aa511fb4a0a5f5b43027dde93132c9645ef715ce2af03c4c604fd22940acfb
SHA512

4476df0610fcfba8ffc873d73e1d1096c49cb9182f88345fca21c5f803ca1c78dba80a016667230b020eabc2bb82fce52c7994d18366e616957d42c8e0e0f3e1

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/3004-115-0x0000000074420000-0x000000007444E000-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 2116 wrote to memory of 3004	2116	rundll32.exe	rundll32.exe
PID 2116 wrote to memory of 3004	2116	rundll32.exe	rundll32.exe
PID 2116 wrote to memory of 3004	2116	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6aa511fb4a0a5f5b43027dde93132c9645ef715ce2af03c4c604fd22940acfb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2116

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a6aa511fb4a0a5f5b43027dde93132c9645ef715ce2af03c4c604fd22940acfb.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3004

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/3004-114-0x0000000000000000-mapping.dmp

Download
memory/3004-115-0x0000000074420000-0x000000007444E000-memory.dmp

Filesize
184KB

Download
memory/3004-117-0x0000000000AB0000-0x0000000000AB6000-memory.dmp

Filesize
24KB

Download