dridex | cfdaf157d5b3e6f11158917384b90f6fd858662a3fef53ac9498317c42038b41

Analysis

max time kernel
19s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
20/04/2021, 08:08

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General

Target
cfdaf157d5b3e6f11158917384b90f6fd858662a3fef53ac9498317c42038b41.dll
Size 162KB
Sample210420-ql9fpwtprx
SHA256 cfdaf157d5b3e6f11158917384b90f6fd858662a3fef53ac9498317c42038b41
MD5 f811ad62949adc0a7a64bf2012cf96ed
SHA1 ef6afc652ad444fa5c6cfa1ef4b4ca8de276973e
SHA512 64100bad7af5c7dc4f5c21f113fe061abb9b41941568d6cf46c1f9a701e2062dbbce86f4e3d7efe22ffc39283c92c0d8c6633f5e7ebfcafe7a1bc533eaf80840
MD5 SHA1 SHA512

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443
172.93.133.123:2303
108.168.61.147:8172

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

resource	yara_rule
behavioral2/memory/3936-115-0x0000000074090000-0x00000000740BE000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3540 wrote to memory of 3936	3540	rundll32.exe	68
PID 3540 wrote to memory of 3936	3540	rundll32.exe	68
PID 3540 wrote to memory of 3936	3540	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cfdaf157d5b3e6f11158917384b90f6fd858662a3fef53ac9498317c42038b41.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3540
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cfdaf157d5b3e6f11158917384b90f6fd858662a3fef53ac9498317c42038b41.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3936

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/3936-115-0x0000000074090000-0x00000000740BE000-memory.dmp

Download

memory/3936-117-0x0000000003370000-0x00000000034BA000-memory.dmp