dridex | 02257d3e7c444de808a4a2540cd7d41f397fadb2e43f7a7773d95ecc88179024

Analysis

max time kernel
27s
max time network
116s
platform
windows10_x64
resource
win10v20210408
submitted
21-06-2021 23:16

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General

Target

02257d3e7c444de808a4a2540cd7d41f397fadb2e43f7a7773d95ecc88179024.dll
Size

158KB
MD5

7ffb436022bd24cf8e67bc8a74cc792b
SHA1

f74e44f022c95668e4b6689db0e8e413f93cc687
SHA256

02257d3e7c444de808a4a2540cd7d41f397fadb2e43f7a7773d95ecc88179024
SHA512

cf167b66528679c221746ee30b32817a5b3b0853328019af979b394b992a6651336d491e93b6467313ea98acba80b3ba91a4e1bce98d20f2c8bcc30c7b83b500

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/1340-115-0x0000000073F50000-0x0000000073F7D000-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 912 wrote to memory of 1340	912	rundll32.exe	rundll32.exe
PID 912 wrote to memory of 1340	912	rundll32.exe	rundll32.exe
PID 912 wrote to memory of 1340	912	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\02257d3e7c444de808a4a2540cd7d41f397fadb2e43f7a7773d95ecc88179024.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:912

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\02257d3e7c444de808a4a2540cd7d41f397fadb2e43f7a7773d95ecc88179024.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1340

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/1340-114-0x0000000000000000-mapping.dmp

Download
memory/1340-115-0x0000000073F50000-0x0000000073F7D000-memory.dmp

Filesize
180KB

Download
memory/1340-117-0x0000000002FB0000-0x0000000002FB6000-memory.dmp

Filesize
24KB

Download