dridex | 105401567fe4f7afa658ac1cd7563437c8c239f3573ff0640baaffeddb0dae21

Analysis

max time kernel
91s
max time network
92s
platform
windows7_x64
resource
win7v20210408
submitted
21-04-2021 18:18

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General

Target

105401567fe4f7afa658ac1cd7563437c8c239f3573ff0640baaffeddb0dae21.dll
Size

154KB
MD5

da770af15ae506dc25906b39b428e944
SHA1

5a40c00b7a1f8492cb9ba085b5bcfce35654981f
SHA256

105401567fe4f7afa658ac1cd7563437c8c239f3573ff0640baaffeddb0dae21
SHA512

71b6a115c8469ae6d7145829f1292b265ae7addd75490d229da04f992a1a3061248c02923dff48d5123dcb791459725fb100fb73e9502bb9b74566f93c62e5a6

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/1192-62-0x0000000074DC0000-0x0000000074DED000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1920 wrote to memory of 1192	1920	rundll32.exe	rundll32.exe
PID 1920 wrote to memory of 1192	1920	rundll32.exe	rundll32.exe
PID 1920 wrote to memory of 1192	1920	rundll32.exe	rundll32.exe
PID 1920 wrote to memory of 1192	1920	rundll32.exe	rundll32.exe
PID 1920 wrote to memory of 1192	1920	rundll32.exe	rundll32.exe
PID 1920 wrote to memory of 1192	1920	rundll32.exe	rundll32.exe
PID 1920 wrote to memory of 1192	1920	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\105401567fe4f7afa658ac1cd7563437c8c239f3573ff0640baaffeddb0dae21.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1920

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\105401567fe4f7afa658ac1cd7563437c8c239f3573ff0640baaffeddb0dae21.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1192

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/1192-60-0x0000000000000000-mapping.dmp

Download
memory/1192-61-0x0000000076691000-0x0000000076693000-memory.dmp

Filesize
8KB

Download
memory/1192-62-0x0000000074DC0000-0x0000000074DED000-memory.dmp

Filesize
180KB

Download
memory/1192-64-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download