dridex | 728a544679de76df05734ed7391bd271170b9ab8475b619ec3ea513c73efea37

Analysis

max time kernel
28s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
22-06-2021 17:51

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General

Target

728a544679de76df05734ed7391bd271170b9ab8475b619ec3ea513c73efea37.dll
Size

158KB
MD5

0f5a826dd5da9e09e71f4c6cef2b252d
SHA1

c29c9b654a30b4c3ff89549d792e022531375631
SHA256

728a544679de76df05734ed7391bd271170b9ab8475b619ec3ea513c73efea37
SHA512

c992bcd71bc4670113766e195f35ca257e3e279aeb5bc1a74f1ef1207b36b1fbfee72783e192476d376517fdfabf870046f4aeeb82acc37c63d653b837562260

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/3992-115-0x0000000073620000-0x000000007364D000-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 580 wrote to memory of 3992	580	rundll32.exe	rundll32.exe
PID 580 wrote to memory of 3992	580	rundll32.exe	rundll32.exe
PID 580 wrote to memory of 3992	580	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\728a544679de76df05734ed7391bd271170b9ab8475b619ec3ea513c73efea37.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:580

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\728a544679de76df05734ed7391bd271170b9ab8475b619ec3ea513c73efea37.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3992

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/3992-114-0x0000000000000000-mapping.dmp

Download
memory/3992-115-0x0000000073620000-0x000000007364D000-memory.dmp

Filesize
180KB

Download
memory/3992-117-0x00000000031D0000-0x00000000031D6000-memory.dmp

Filesize
24KB

Download