dridex | e868e0d84ca5505fc12359ebcd4275f828242a9f2f897158f2b0876e272e8b3d

Analysis

max time kernel
49s
max time network
76s
platform
windows10_x64
resource
win10v20210408
submitted
23/05/2021, 20:02

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General

Target
ace37fa6_by_Libranalysis.dll
Size 162KB
Sample210523-mt62mvppdx
SHA256 e868e0d84ca5505fc12359ebcd4275f828242a9f2f897158f2b0876e272e8b3d
MD5 ace37fa664745146da50049e4ee6c931
SHA1 98cca2b0a0c5b633616fdfb0535153b5e37d3800
SHA512 42177263023dc2b4217516f73bbec82678580ff6daab690bc2248ee2b039103f17a1605fcdab50ffdb7fd0b8c0ac7f506a932ca417972f0f6d3b7f0f58d8162d
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/4696-115-0x0000000073C30000-0x0000000073C5E000-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 4656 wrote to memory of 4696	4656	rundll32.exe	53
PID 4656 wrote to memory of 4696	4656	rundll32.exe	53
PID 4656 wrote to memory of 4696	4656	rundll32.exe	53

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ace37fa6_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4656
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ace37fa6_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4696

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/4696-115-0x0000000073C30000-0x0000000073C5E000-memory.dmp

Download

memory/4696-117-0x0000000002DF0000-0x0000000002DF6000-memory.dmp