dridex | 31880bccb9e8968106df3ed7bb2d4aa447e663ff224b271ad356274c54808c6b

Analysis

max time kernel
35s
max time network
113s
platform
windows10_x64
resource
win10v20210408
submitted
30/04/2021, 05:05

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General

Target
328cd26b_by_Libranalysis.dll
Size 162KB
Sample210430-ykc9b8pm72
SHA256 31880bccb9e8968106df3ed7bb2d4aa447e663ff224b271ad356274c54808c6b
MD5 328cd26bf7395893ca1992a24f81630d
SHA1 4b4fed3cf9ce8f0c4ceec0a31a50b8fb999635eb
SHA512 671328e3485e29b3b175a9f4c24b321f8fd26609d28d3491d763c87b1cbd54f67d7d838d756d0696c1974ce098f8c83909a323ea609256c56027c79cc9bbba4b
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/1236-115-0x0000000074260000-0x000000007428E000-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 1000 wrote to memory of 1236	1000	rundll32.exe	69
PID 1000 wrote to memory of 1236	1000	rundll32.exe	69
PID 1000 wrote to memory of 1236	1000	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\328cd26b_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1000
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\328cd26b_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1236

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/1236-115-0x0000000074260000-0x000000007428E000-memory.dmp

Download

memory/1236-117-0x0000000002BB0000-0x0000000002BB6000-memory.dmp