dridex | f1b9d27e66565faca0858f91bfd331103a6b4e3fc8aa3d86191ea27d47ae6e6e

Analysis

max time kernel
33s
max time network
121s
platform
windows10_x64
resource
win10v20210408
submitted
08/05/2021, 01:01

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General

Target
d8b39325_by_Libranalysis.dll
Size 162KB
Sample210508-gvm68x8jwe
SHA256 f1b9d27e66565faca0858f91bfd331103a6b4e3fc8aa3d86191ea27d47ae6e6e
MD5 d8b393256ec9a4e10cbba5dfae5ece18
SHA1 fa6c329aff7a4dfcb7d650122e59c780f5b59b09
SHA512 4b7ffba45c092b3404182b505504cd2e047462cb3cff1e04989a3e0bfd8bd8b7b87d156682c13b31abbc1001802cd5e4adf5f1270cd2a73b3ec3135176252f4b
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/1600-115-0x0000000073530000-0x000000007355E000-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 3976 wrote to memory of 1600	3976	rundll32.exe	71
PID 3976 wrote to memory of 1600	3976	rundll32.exe	71
PID 3976 wrote to memory of 1600	3976	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8b39325_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3976
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8b39325_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1600

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/1600-115-0x0000000073530000-0x000000007355E000-memory.dmp

Download

memory/1600-117-0x0000000000670000-0x0000000000676000-memory.dmp