dridex | eb1e587a916f4f999e7a2d0721db15f873e65e9285a51aa2573f9820ab512fa7

Analysis

max time kernel
26s
max time network
151s
platform
windows10_x64
resource
win10v20210408
submitted
20-06-2021 04:41

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General

Target

eb1e587a916f4f999e7a2d0721db15f873e65e9285a51aa2573f9820ab512fa7.dll
Size

160KB
MD5

a1399fa8b7bb8346a5582b16ea7eb8ac
SHA1

5c60ba7ab295934106a24ab17ad359a547a5e050
SHA256

eb1e587a916f4f999e7a2d0721db15f873e65e9285a51aa2573f9820ab512fa7
SHA512

1aca64918c43948be407c82f751aeed6261fe19fcc260bc97595c04c70fc7eadb81199f2c5bb7d20f5e21510ab32e9deee07445c1eefdae00eb55c78f9ee64d4

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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

Processes:

resource	yara_rule
behavioral1/memory/4052-115-0x0000000073620000-0x000000007364E000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 504 wrote to memory of 4052	504	rundll32.exe	rundll32.exe
PID 504 wrote to memory of 4052	504	rundll32.exe	rundll32.exe
PID 504 wrote to memory of 4052	504	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\eb1e587a916f4f999e7a2d0721db15f873e65e9285a51aa2573f9820ab512fa7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:504
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\eb1e587a916f4f999e7a2d0721db15f873e65e9285a51aa2573f9820ab512fa7.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4052

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/4052-114-0x0000000000000000-mapping.dmp

Download
memory/4052-115-0x0000000073620000-0x000000007364E000-memory.dmp

Filesize
184KB

Download
memory/4052-117-0x0000000003470000-0x0000000003476000-memory.dmp

Filesize
24KB

Download