dridex | 05a9ba97ca75d4d35a73303050a3dc09f9089f5fbfee1c668477a2ddae3b2327

Analysis

max time kernel
63s
max time network
64s
platform
windows10_x64
resource
win10v20210410
submitted
11/05/2021, 09:30

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General

Target
05a9ba97ca75d4d35a73303050a3dc09f9089f5fbfee1c668477a2ddae3b2327.dll
Size 162KB
Sample210511-rrbjdp7ssj
SHA256 05a9ba97ca75d4d35a73303050a3dc09f9089f5fbfee1c668477a2ddae3b2327
MD5 0d1038cb566739e2b437a69b933d2287
SHA1 669a4c6fa9bd9fc6d28d6596d22cdee8d2e24cf8
SHA512 714def5a4fece54781fa9f7bec85f1ac59ab5dfb7d0d931dd82980f71749c4adbc3d25021c12ac0041d54a3c02f0fcbb9216ed435538e82e9dbcc078cbce4d57
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/3056-115-0x0000000073F20000-0x0000000073F4E000-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 4020 wrote to memory of 3056	4020	rundll32.exe	68
PID 4020 wrote to memory of 3056	4020	rundll32.exe	68
PID 4020 wrote to memory of 3056	4020	rundll32.exe	68

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\05a9ba97ca75d4d35a73303050a3dc09f9089f5fbfee1c668477a2ddae3b2327.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4020
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\05a9ba97ca75d4d35a73303050a3dc09f9089f5fbfee1c668477a2ddae3b2327.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3056

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/3056-115-0x0000000073F20000-0x0000000073F4E000-memory.dmp

Download

memory/3056-117-0x0000000000D40000-0x0000000000D46000-memory.dmp