dridex | fef439622aa04e3e0f807ae3118559b4e20c7b7502285df2566d46293fe2c829

Analysis

max time kernel
120s
max time network
123s
platform
windows10_x64
resource
win10v20210410
submitted
30/04/2021, 04:05

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General

Target
145c2b97_by_Libranalysis.dll
Size 162KB
Sample210430-yy45jffwk6
SHA256 fef439622aa04e3e0f807ae3118559b4e20c7b7502285df2566d46293fe2c829
MD5 145c2b9774ca00aa320262aeac0a2cd8
SHA1 6ae19b731a66f0c70df8615c1b758b4ecf3755e1
SHA512 10de2b8d8417283bd256d3723e2759f9baf56c701f1488505e391487538b8b0495d88fb318d8256f403db5c4767494f2249d263c651361893103eb36eb0af769
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/784-115-0x00000000742E0000-0x000000007430E000-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 4084 wrote to memory of 784	4084	rundll32.exe	69
PID 4084 wrote to memory of 784	4084	rundll32.exe	69
PID 4084 wrote to memory of 784	4084	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\145c2b97_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4084
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\145c2b97_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:784

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/784-115-0x00000000742E0000-0x000000007430E000-memory.dmp

Download

memory/784-117-0x0000000003FC0000-0x0000000003FC6000-memory.dmp