dridex | e8d23b82b6cc020c212aeccf9d3e1b24924f0d633f6dba07d80041f9fcc4947c

Analysis

max time kernel
95s
max time network
119s
platform
windows10_x64
resource
win10v20210408
submitted
05/05/2021, 12:04

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General

Target
81c40163_by_Libranalysis.dll
Size 162KB
Sample210505-bydv774v26
SHA256 e8d23b82b6cc020c212aeccf9d3e1b24924f0d633f6dba07d80041f9fcc4947c
MD5 81c4016313278b32057d636fa412f9dc
SHA1 2fb0824c39d690a2a8a8187467334cda2fa95ff3
SHA512 884d7812516f8d4e59656887bbf0d1e2376faa5cd03bb08914f8a63f2426b6a8b23f44a1e1d216e280456bb9627e52d657b85df8a07d312b23256115fcff7461
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/1280-115-0x0000000074430000-0x000000007445E000-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 808 wrote to memory of 1280	808	rundll32.exe	70
PID 808 wrote to memory of 1280	808	rundll32.exe	70
PID 808 wrote to memory of 1280	808	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\81c40163_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:808
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\81c40163_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1280

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/1280-115-0x0000000074430000-0x000000007445E000-memory.dmp

Download

memory/1280-117-0x0000000002FF0000-0x000000000313A000-memory.dmp