dridex | fbd39533fd346601e8554623c1054be31eaa2ecd7bd58b2ee3ed3a7000c7767e

Analysis

max time kernel
134s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
18/04/2021, 22:44

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General

Target
fbd39533fd346601e8554623c1054be31eaa2ecd7bd58b2ee3ed3a7000c7767e.dll
Size 162KB
Sample210418-xdvy9k4r7a
SHA256 fbd39533fd346601e8554623c1054be31eaa2ecd7bd58b2ee3ed3a7000c7767e
MD5 ca7f05b695e6e0994081cb729a50e750
SHA1 d8eb5d2ad50eb972e0947acdf19b135a1c728ca2
SHA512 dcee29e297aaff4ae20b029a7341c49a7accf1aba8c60d056d38ff6d66c3755a8fda0047699fc8b4101e6f5471d9159d2ce0d0d79e65e7726a7973ddf5944282
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/1740-115-0x0000000074300000-0x000000007432E000-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 3876 wrote to memory of 1740	3876	rundll32.exe	69
PID 3876 wrote to memory of 1740	3876	rundll32.exe	69
PID 3876 wrote to memory of 1740	3876	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbd39533fd346601e8554623c1054be31eaa2ecd7bd58b2ee3ed3a7000c7767e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3876
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbd39533fd346601e8554623c1054be31eaa2ecd7bd58b2ee3ed3a7000c7767e.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1740

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/1740-115-0x0000000074300000-0x000000007432E000-memory.dmp

Download

memory/1740-117-0x00000000034B0000-0x00000000034B6000-memory.dmp