dridex | 77eee7a533ae1e42357fd43a5cc3fb4b46400fd6baad5ae23bf25275c91917a4

Analysis

max time kernel
46s
max time network
54s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 22:25

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General

Target

77eee7a533ae1e42357fd43a5cc3fb4b46400fd6baad5ae23bf25275c91917a4.dll
Size

158KB
MD5

11e5ef067e3d8fa241dde83cc1c32e1e
SHA1

c12e285f16eb03083dd439415227e496b3d187e8
SHA256

77eee7a533ae1e42357fd43a5cc3fb4b46400fd6baad5ae23bf25275c91917a4
SHA512

6132be26705c395b659f329908052bb3e4afe093acc760652a1d04a48fc818161b1c767f0cc7bf0407ae2efd9d5a8e5ce3ffd59e7be22b09a4ab795ca73b72d1

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/1416-115-0x0000000073FB0000-0x0000000073FDD000-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 640 wrote to memory of 1416	640	rundll32.exe	rundll32.exe
PID 640 wrote to memory of 1416	640	rundll32.exe	rundll32.exe
PID 640 wrote to memory of 1416	640	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\77eee7a533ae1e42357fd43a5cc3fb4b46400fd6baad5ae23bf25275c91917a4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:640

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\77eee7a533ae1e42357fd43a5cc3fb4b46400fd6baad5ae23bf25275c91917a4.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1416

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/1416-114-0x0000000000000000-mapping.dmp

Download
memory/1416-115-0x0000000073FB0000-0x0000000073FDD000-memory.dmp

Filesize
180KB

Download
memory/1416-117-0x00000000031D0000-0x00000000031D6000-memory.dmp

Filesize
24KB

Download