dridex | 251c84d792210bb58c75139e94ebfcc0cfbadea166f0d7a94c37c5854f9455b0

Analysis

max time kernel
26s
max time network
119s
platform
windows10_x64
resource
win10v20210408
submitted
21-06-2021 22:16

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General

Target

251c84d792210bb58c75139e94ebfcc0cfbadea166f0d7a94c37c5854f9455b0.dll
Size

158KB
MD5

0cf78b66af8fb475ed9e378c9f7a2acd
SHA1

d72922402eb35fa4fe8f975cfd06d78cea6da47b
SHA256

251c84d792210bb58c75139e94ebfcc0cfbadea166f0d7a94c37c5854f9455b0
SHA512

9ea5d3a82473284990bbd1c7ac7b73d5f76500ab095906a8696e3688f45e6af81aa23ae49a489c90d636cf750dc764ca080212a95b0ca79d0cf94a0a39aa2612

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/352-115-0x0000000073890000-0x00000000738BD000-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 3008 wrote to memory of 352	3008	rundll32.exe	rundll32.exe
PID 3008 wrote to memory of 352	3008	rundll32.exe	rundll32.exe
PID 3008 wrote to memory of 352	3008	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\251c84d792210bb58c75139e94ebfcc0cfbadea166f0d7a94c37c5854f9455b0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\251c84d792210bb58c75139e94ebfcc0cfbadea166f0d7a94c37c5854f9455b0.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:352

Network

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/352-114-0x0000000000000000-mapping.dmp

Download
memory/352-115-0x0000000073890000-0x00000000738BD000-memory.dmp

Filesize
180KB

Download
memory/352-117-0x0000000002BF0000-0x0000000002BF6000-memory.dmp

Filesize
24KB

Download