dridex | 486770fa5f6579da6c4e36aa99ab1888bfd6769149375a7ba7e2ab918754a190

General

Target

486770fa5f6579da6c4e36aa99ab1888bfd6769149375a7ba7e2ab918754a190.dll
Size

196KB
MD5

057473d1a8fbb4d0dc062d7d4f18d3a9
SHA1

dddd727eb39caa3622626530f2108f2aa45ccbe1
SHA256

486770fa5f6579da6c4e36aa99ab1888bfd6769149375a7ba7e2ab918754a190
SHA512

e8ecbc3ed5e53c519de33b55fd4790c9e7a606cc605c16fa04245548fc5447f5ac1c54e51839dfbfaa8f8472312e80345b9457f54f0ed8eeda87e9e60d30bed5

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

C2

37.247.35.132:443

50.243.30.51:6601

162.241.204.234:6516

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/2036-4-0x00000000743C0000-0x00000000743F3000-memory.dmp	dridex_ldr
behavioral1/memory/2036-6-0x00000000743C0000-0x00000000743DF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

4 2036 rundll32.exe
7 2036 rundll32.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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

flow	pid	process
4	2036	rundll32.exe
7	2036	rundll32.exe

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

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1932 wrote to memory of 2036	1932	rundll32.exe	rundll32.exe
PID 1932 wrote to memory of 2036	1932	rundll32.exe	rundll32.exe
PID 1932 wrote to memory of 2036	1932	rundll32.exe	rundll32.exe
PID 1932 wrote to memory of 2036	1932	rundll32.exe	rundll32.exe
PID 1932 wrote to memory of 2036	1932	rundll32.exe	rundll32.exe
PID 1932 wrote to memory of 2036	1932	rundll32.exe	rundll32.exe
PID 1932 wrote to memory of 2036	1932	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\486770fa5f6579da6c4e36aa99ab1888bfd6769149375a7ba7e2ab918754a190.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\486770fa5f6579da6c4e36aa99ab1888bfd6769149375a7ba7e2ab918754a190.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:2036

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1752-7-0x000007FEF6E90000-0x000007FEF710A000-memory.dmp

Filesize
2.5MB

Download
memory/2036-2-0x0000000000000000-mapping.dmp

Download
memory/2036-3-0x00000000750C1000-0x00000000750C3000-memory.dmp

Filesize
8KB

Download
memory/2036-4-0x00000000743C0000-0x00000000743F3000-memory.dmp

Filesize
204KB

Download
memory/2036-5-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/2036-6-0x00000000743C0000-0x00000000743DF000-memory.dmp

Filesize
124KB

Download

Analysis

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