dridex | a4a087048b2efa16c47641074c7d556670570967ccf6974893cf66ee28e6604c

Analysis

max time kernel
19s
max time network
149s
platform
windows10_x64
resource
win10v20210410
submitted
20-06-2021 00:03

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General

Target

a4a087048b2efa16c47641074c7d556670570967ccf6974893cf66ee28e6604c.dll
Size

160KB
MD5

44a87af706fa077272ab07c1e76724f9
SHA1

e8af0162d5476dc0a7379d342e6fdfe72ef4bc6c
SHA256

a4a087048b2efa16c47641074c7d556670570967ccf6974893cf66ee28e6604c
SHA512

822fe2934a790a8c7b6adf8fbacc32a53e506abbeb44262d7421ec44f16b67dae30c310a937118a7165c540038e2a8266fb44e13a0094aa4bc1f5e266f5d3943

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/1872-115-0x00000000742E0000-0x000000007430E000-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 3416 wrote to memory of 1872	3416	rundll32.exe	rundll32.exe
PID 3416 wrote to memory of 1872	3416	rundll32.exe	rundll32.exe
PID 3416 wrote to memory of 1872	3416	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a4a087048b2efa16c47641074c7d556670570967ccf6974893cf66ee28e6604c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3416
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a4a087048b2efa16c47641074c7d556670570967ccf6974893cf66ee28e6604c.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1872

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/1872-114-0x0000000000000000-mapping.dmp

Download
memory/1872-115-0x00000000742E0000-0x000000007430E000-memory.dmp

Filesize
184KB

Download
memory/1872-117-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

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