dridex | 1c40d0bef93e4fb8bf9e57b40869d8fbbaa21ceb6408fcaa2b8c5e99f98397ac

Analysis

max time kernel
134s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
21/04/2021, 01:48

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General

Target
1c40d0bef93e4fb8bf9e57b40869d8fbbaa21ceb6408fcaa2b8c5e99f98397ac.dll
Size 162KB
Sample210421-aa71bjnf6e
SHA256 1c40d0bef93e4fb8bf9e57b40869d8fbbaa21ceb6408fcaa2b8c5e99f98397ac
MD5 d503e2cb17e913144ea458f184cdbb33
SHA1 e062fc4c9c9ef4a2ea2ad6535dce343a8f3d0865
SHA512 59388f5445248b5e3cca2370110c20bce75a331c4ef546f49f8d225467be3b6501bdb21d989fa60d17447d68b2970915e9b675f9e43249362cf301e172ab64ac
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/4092-115-0x0000000073A70000-0x0000000073A9E000-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 3972 wrote to memory of 4092	3972	rundll32.exe	65
PID 3972 wrote to memory of 4092	3972	rundll32.exe	65
PID 3972 wrote to memory of 4092	3972	rundll32.exe	65

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1c40d0bef93e4fb8bf9e57b40869d8fbbaa21ceb6408fcaa2b8c5e99f98397ac.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3972
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1c40d0bef93e4fb8bf9e57b40869d8fbbaa21ceb6408fcaa2b8c5e99f98397ac.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4092

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/4092-115-0x0000000073A70000-0x0000000073A9E000-memory.dmp

Download

memory/4092-117-0x0000000003310000-0x000000000345A000-memory.dmp