dridex | dfcd3365677f45f744851d8d98de2800dac66a4de63cab0116006a2ceee7ad16

Analysis

max time kernel
26s
max time network
78s
platform
windows10_x64
resource
win10v20210408
submitted
24-06-2021 12:27

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General

Target

dfcd3365677f45f744851d8d98de2800dac66a4de63cab0116006a2ceee7ad16.dll
Size

158KB
MD5

b26385335a4fc0f3cccc8f926f688c15
SHA1

2580d64f815444e4e454e1f43b98dacf7dbd2f81
SHA256

dfcd3365677f45f744851d8d98de2800dac66a4de63cab0116006a2ceee7ad16
SHA512

38cec4d2dd9b47599e1ec7db22aa9da58207e4e06f48e10fcee024846bd193607e060580c58b2abe49cf06cbea1cd542e4cb257583ce4ccda6afaf8f3862e8da

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/1172-115-0x00000000738F0000-0x000000007391D000-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 808 wrote to memory of 1172	808	rundll32.exe	rundll32.exe
PID 808 wrote to memory of 1172	808	rundll32.exe	rundll32.exe
PID 808 wrote to memory of 1172	808	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dfcd3365677f45f744851d8d98de2800dac66a4de63cab0116006a2ceee7ad16.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:808

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dfcd3365677f45f744851d8d98de2800dac66a4de63cab0116006a2ceee7ad16.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1172

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/1172-114-0x0000000000000000-mapping.dmp

Download
memory/1172-115-0x00000000738F0000-0x000000007391D000-memory.dmp

Filesize
180KB

Download
memory/1172-117-0x00000000007A0000-0x00000000008EA000-memory.dmp

Filesize
1.3MB

Download