dridex | 8814f108250b5d1a368903bafc39db995ee6ba17f66c7c22600a3c32013966ec

Analysis

max time kernel
19s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
24-06-2021 18:40

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General

Target

8814f108250b5d1a368903bafc39db995ee6ba17f66c7c22600a3c32013966ec.dll
Size

158KB
MD5

4a30c9407e650a401891224ec3e04dfe
SHA1

481995da2d45f74bacae3d97456e933fcb0cdd5c
SHA256

8814f108250b5d1a368903bafc39db995ee6ba17f66c7c22600a3c32013966ec
SHA512

277be9d54924a014c5f54376c89a19036d4c1a06f1f92e1a3abb8f51ff6777c30277a30346cdc0018c67b1d5997648210136c79351b2bfe4619ae37e65590f61

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/4072-115-0x0000000073B70000-0x0000000073B9D000-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 3908 wrote to memory of 4072	3908	rundll32.exe	rundll32.exe
PID 3908 wrote to memory of 4072	3908	rundll32.exe	rundll32.exe
PID 3908 wrote to memory of 4072	3908	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8814f108250b5d1a368903bafc39db995ee6ba17f66c7c22600a3c32013966ec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3908

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8814f108250b5d1a368903bafc39db995ee6ba17f66c7c22600a3c32013966ec.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4072

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/4072-114-0x0000000000000000-mapping.dmp

Download
memory/4072-115-0x0000000073B70000-0x0000000073B9D000-memory.dmp

Filesize
180KB

Download
memory/4072-117-0x0000000002260000-0x000000000230E000-memory.dmp

Filesize
696KB

Download