dridex | 8736e97e4e9a1d6d6f0fb9b298e5f2331f7a283bf50d96b088b9dad085081bc4

Analysis

max time kernel
120s
max time network
125s
platform
windows10_x64
resource
win10v20210410
submitted
11/05/2021, 03:01

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General

Target
404962ca_by_Libranalysis.dll
Size 162KB
Sample210511-dtebe1hd5e
SHA256 8736e97e4e9a1d6d6f0fb9b298e5f2331f7a283bf50d96b088b9dad085081bc4
MD5 404962cad84c853ccc752f47b4f9aec3
SHA1 0a12e2bd53cf09a37d27a219088ccb9a679cc15f
SHA512 2c3a8f9e94f505c2799ddba94d877ccab158ed6f4922114004dbf9155d0f90cb0bfe6faa90c33d690672d7302c1e83c936b725c33ca7e9a23fefd112268ca6bf
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/736-115-0x00000000742E0000-0x000000007430E000-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 2992 wrote to memory of 736	2992	rundll32.exe	26
PID 2992 wrote to memory of 736	2992	rundll32.exe	26
PID 2992 wrote to memory of 736	2992	rundll32.exe	26

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\404962ca_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2992
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\404962ca_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:736

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/736-115-0x00000000742E0000-0x000000007430E000-memory.dmp

Download

memory/736-117-0x00000000026D0000-0x00000000026D6000-memory.dmp