dridex | 3fdae5f5da1252c861d0e561ccda407d49ead73923464004ab521387a02edd98

Analysis

max time kernel
18s
max time network
115s
platform
windows10_x64
resource
win10v20210410
submitted
25-06-2021 05:50

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General

Target

3fdae5f5da1252c861d0e561ccda407d49ead73923464004ab521387a02edd98.dll
Size

160KB
MD5

e9bed7a927e83d4100758fae46afb8d3
SHA1

7d1c3b3f4521cc5cc114fe7f1025a5d1b57b6025
SHA256

3fdae5f5da1252c861d0e561ccda407d49ead73923464004ab521387a02edd98
SHA512

e7b6f64d87b72c291b64dfebf0d3f2c516a048fb64d8a28a8c95b7af4826ba4ac00f44a1c965081d5c9e08ac6158b4431a7a92b2aec5bd5f72419306563fe913

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/1848-115-0x0000000073BF0000-0x0000000073C1E000-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 3172 wrote to memory of 1848	3172	rundll32.exe	rundll32.exe
PID 3172 wrote to memory of 1848	3172	rundll32.exe	rundll32.exe
PID 3172 wrote to memory of 1848	3172	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3fdae5f5da1252c861d0e561ccda407d49ead73923464004ab521387a02edd98.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3172

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3fdae5f5da1252c861d0e561ccda407d49ead73923464004ab521387a02edd98.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1848

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/1848-114-0x0000000000000000-mapping.dmp

Download
memory/1848-115-0x0000000073BF0000-0x0000000073C1E000-memory.dmp

Filesize
184KB

Download
memory/1848-117-0x0000000000D10000-0x0000000000D16000-memory.dmp

Filesize
24KB

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