dridex | a143a974ca414014ff2c4e58def3900ab2411797dcebf8608dc0a1ea72a09d85

Analysis

max time kernel
56s
max time network
8s
platform
windows7_x64
resource
win7v20201028
submitted
17/03/2021, 17:22

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General

Target
a143a974ca414014ff2c4e58def3900ab2411797dcebf8608dc0a1ea72a09d85.dll
Size 208KB
Sample210317-lt8a7ce63x
SHA256 a143a974ca414014ff2c4e58def3900ab2411797dcebf8608dc0a1ea72a09d85
MD5 fc48b33be31cf0d55ab900dad374073a
SHA1 e328934c91a93c77e09b3d7115f3b3a58192e776
SHA512 035cd32cffa81baff472846526d4098c54b1c513b0ea3d1c6dc9b391c6017e97dd250a943a5dbc61f4d3e4013c22895eb4a3d32b8feac02b139c58340c8557cd
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

77.220.64.137:443
66.228.134.180:6601
199.204.214.26:7073

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1988-4-0x0000000074950000-0x0000000074986000-memory.dmp	dridex_ldr
behavioral1/memory/1988-6-0x0000000074950000-0x0000000074971000-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 7 IoCs

description	pid	Process	procid_target
PID 1316 wrote to memory of 1988	1316	rundll32.exe	26
PID 1316 wrote to memory of 1988	1316	rundll32.exe	26
PID 1316 wrote to memory of 1988	1316	rundll32.exe	26
PID 1316 wrote to memory of 1988	1316	rundll32.exe	26
PID 1316 wrote to memory of 1988	1316	rundll32.exe	26
PID 1316 wrote to memory of 1988	1316	rundll32.exe	26
PID 1316 wrote to memory of 1988	1316	rundll32.exe	26

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a143a974ca414014ff2c4e58def3900ab2411797dcebf8608dc0a1ea72a09d85.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1316
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a143a974ca414014ff2c4e58def3900ab2411797dcebf8608dc0a1ea72a09d85.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1988

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

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Downloads

memory/1988-3-0x0000000076241000-0x0000000076243000-memory.dmp

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memory/1988-4-0x0000000074950000-0x0000000074986000-memory.dmp

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memory/1988-5-0x0000000000180000-0x0000000000186000-memory.dmp

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memory/1988-6-0x0000000074950000-0x0000000074971000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads