dridex | 35e5454cc97fb53acef5fd043bd9503794f4d89289a9cc541a627d62badf2dfb

Analysis

max time kernel
104s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
29/04/2021, 10:47

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General

Target
a93c0d20_by_Libranalysis.dll
Size 162KB
Sample210429-9qtpdtzcps
SHA256 35e5454cc97fb53acef5fd043bd9503794f4d89289a9cc541a627d62badf2dfb
MD5 a93c0d2038f747416a4b5772cb352d3b
SHA1 20669a4d395f3cc82cd8f9362a1b66475809f6ad
SHA512 4e05e851936f1e355f3ef5cc163f20b35f33d03b7ab3b4fabc7b06e4f64e6fb425322408bc9b054529c30f85a5089963b6286eca68d1e567b1cba4d3f8338384
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/3792-115-0x00000000739D0000-0x00000000739FE000-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 1736 wrote to memory of 3792	1736	rundll32.exe	70
PID 1736 wrote to memory of 3792	1736	rundll32.exe	70
PID 1736 wrote to memory of 3792	1736	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a93c0d20_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1736
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a93c0d20_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:3792

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/3792-115-0x00000000739D0000-0x00000000739FE000-memory.dmp

Download

memory/3792-117-0x0000000003F40000-0x0000000003F46000-memory.dmp