dridex | 65276b0e99681ac45e83cb851c1f6e68e9476b72534eaba0fdfef3743ea2e7bd

Analysis

max time kernel
25s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
14/05/2021, 13:04

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General

Target
37d95407_by_Libranalysis.dll
Size 162KB
Sample210514-p9azjb7van
SHA256 65276b0e99681ac45e83cb851c1f6e68e9476b72534eaba0fdfef3743ea2e7bd
MD5 37d954077bb3e3476b7885c0ae1aa56a
SHA1 47e280e739fb264ebc5b8312fff76fa39a99b9a9
SHA512 23771d455f01f930df372a28ac405d71b4bf5cc9c3a3b1e5de77cf25e4f43368507c85d337d7fbd4bbbf6bde0c9317d3273568ff39f50017472ac8b1f61c7ac6
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/3100-115-0x0000000073620000-0x000000007364E000-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 644 wrote to memory of 3100	644	rundll32.exe	69
PID 644 wrote to memory of 3100	644	rundll32.exe	69
PID 644 wrote to memory of 3100	644	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\37d95407_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:644
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\37d95407_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3100

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/3100-115-0x0000000073620000-0x000000007364E000-memory.dmp

Download

memory/3100-117-0x0000000000D60000-0x0000000000EAA000-memory.dmp