dridex | 9cf874374cfffa844a0f5f19b6dfda6af640167ae19fc4153f1e4499f6ccb7e8

Analysis

max time kernel
23s
max time network
110s
platform
windows10_x64
resource
win10v20210410
submitted
05/05/2021, 10:05

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General

Target
b2084b05_by_Libranalysis.dll
Size 162KB
Sample210505-rcs67fd242
SHA256 9cf874374cfffa844a0f5f19b6dfda6af640167ae19fc4153f1e4499f6ccb7e8
MD5 b2084b05c54cb679c4503d46c09db972
SHA1 03cc9015e44295ea3aed33aa832bff385f6d0f19
SHA512 541ef2fc46a9db427c8021804e21b41dd60de74426f5c49c955832d2fbf68ee5ad7a9dab5daab2d7a78df3fe3787785c5ae739a0ee8bf7291c7632ea3884a081
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/3588-115-0x0000000073B70000-0x0000000073B9E000-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 1744 wrote to memory of 3588	1744	rundll32.exe	70
PID 1744 wrote to memory of 3588	1744	rundll32.exe	70
PID 1744 wrote to memory of 3588	1744	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2084b05_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2084b05_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3588

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/3588-115-0x0000000073B70000-0x0000000073B9E000-memory.dmp

Download

memory/3588-117-0x0000000002780000-0x0000000002786000-memory.dmp