dridex | 4dc187bd827163256210dbf36c4e9ad12f85845e94c29bdbce10fb5f90775a52

Analysis

max time kernel
19s
max time network
126s
platform
windows10_x64
resource
win10v20210410
submitted
26-06-2021 05:02

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General

Target

4dc187bd827163256210dbf36c4e9ad12f85845e94c29bdbce10fb5f90775a52.dll
Size

158KB
MD5

1c3859a335833398406afe0e19ff885b
SHA1

8dab965d4c5412d06e639f30cb32faebc5309c26
SHA256

4dc187bd827163256210dbf36c4e9ad12f85845e94c29bdbce10fb5f90775a52
SHA512

a13dde55ec427fb5fb014bc8c5707df7a114615a43a6e70d90597a4e6a973638e18a44a0979862c943ed30d54f65bdeca7bc66a1d5f4a582ac18713cd58f6949

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/1736-115-0x0000000073DE0000-0x0000000073E0D000-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 3892 wrote to memory of 1736	3892	rundll32.exe	rundll32.exe
PID 3892 wrote to memory of 1736	3892	rundll32.exe	rundll32.exe
PID 3892 wrote to memory of 1736	3892	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4dc187bd827163256210dbf36c4e9ad12f85845e94c29bdbce10fb5f90775a52.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3892

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4dc187bd827163256210dbf36c4e9ad12f85845e94c29bdbce10fb5f90775a52.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1736

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/1736-114-0x0000000000000000-mapping.dmp

Download
memory/1736-115-0x0000000073DE0000-0x0000000073E0D000-memory.dmp

Filesize
180KB

Download
memory/1736-117-0x0000000003190000-0x0000000003196000-memory.dmp

Filesize
24KB

Download