dridex | 2526f66cc57aeb705d3f7422b67a1a2a66e203ac93bd8c09bca95728607a3efe

Analysis

max time kernel
122s
max time network
123s
platform
windows10_x64
resource
win10v20210410
submitted
20/04/2021, 21:08

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General

Target
2526f66cc57aeb705d3f7422b67a1a2a66e203ac93bd8c09bca95728607a3efe.dll
Size 162KB
Sample210420-cglttmxs96
SHA256 2526f66cc57aeb705d3f7422b67a1a2a66e203ac93bd8c09bca95728607a3efe
MD5 58dda467e878e93a83e9194f00b22141
SHA1 dfc5e682257d0f0c6d76d7346015263fb0e7d484
SHA512 1ed839e0a0298d523f7eca21caf2495c2fe8bffea2dce8335c7e33d2f43f77b723718a42b3f9ed6c054cb58901e32f965174d84e98762b245aa1e866537f2a4a
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/680-115-0x00000000739B0000-0x00000000739DE000-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 508 wrote to memory of 680	508	rundll32.exe	69
PID 508 wrote to memory of 680	508	rundll32.exe	69
PID 508 wrote to memory of 680	508	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2526f66cc57aeb705d3f7422b67a1a2a66e203ac93bd8c09bca95728607a3efe.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:508
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2526f66cc57aeb705d3f7422b67a1a2a66e203ac93bd8c09bca95728607a3efe.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:680

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/680-115-0x00000000739B0000-0x00000000739DE000-memory.dmp

Download

memory/680-117-0x0000000000D60000-0x0000000000D66000-memory.dmp