dridex | 7922b41f6af675781024f1a4c3a6d85b33dbd355ec7dbe704e30fb13a4aef2b1

Analysis

max time kernel
18s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
15/04/2021, 09:47

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General

Target
7922b41f6af675781024f1a4c3a6d85b33dbd355ec7dbe704e30fb13a4aef2b1.dll
Size 162KB
Sample210415-sp85ex9q3j
SHA256 7922b41f6af675781024f1a4c3a6d85b33dbd355ec7dbe704e30fb13a4aef2b1
MD5 89643ae5db6187032cbc866764e8aa34
SHA1 909169cf6d1aaa4a259f0656c611bae9fb1caa74
SHA512 5c6b7bd778c666bbad2e1f88bc3a98301557f1a8ab1cc2c16592b31ada4a8e2fda33eff4d8ddad18b7145ae8a712da8dff6282f757a587cded25eed3bf2177b2
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/4072-115-0x0000000073B70000-0x0000000073B9E000-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 2112 wrote to memory of 4072	2112	rundll32.exe	69
PID 2112 wrote to memory of 4072	2112	rundll32.exe	69
PID 2112 wrote to memory of 4072	2112	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7922b41f6af675781024f1a4c3a6d85b33dbd355ec7dbe704e30fb13a4aef2b1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7922b41f6af675781024f1a4c3a6d85b33dbd355ec7dbe704e30fb13a4aef2b1.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4072

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/4072-115-0x0000000073B70000-0x0000000073B9E000-memory.dmp

Download

memory/4072-117-0x00000000005F0000-0x00000000005F6000-memory.dmp