dridex | da4018445ea4fca2c635f667a15941518dca43d1215dba425aec332a15b53325

General

Target

da4018445ea4fca2c635f667a15941518dca43d1215dba425aec332a15b53325.dll
Size

188KB
MD5

28aaeb63ac4c5a82d68c153ad60d95bf
SHA1

b5b8ec5e053a9cd75c00a0f97e3925ece881a5ca
SHA256

da4018445ea4fca2c635f667a15941518dca43d1215dba425aec332a15b53325
SHA512

45789b890deef9e0d1505c4c1760f35e590d0c8ab363014e21512b8c8f3fafd00adbcbb1a5f558b7f7b87df93f0e862e13b4cc7a4c21a96580438897c328d5d5

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

C2

116.251.211.158:443

216.10.242.142:6601

37.247.35.137:6601

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/1992-4-0x0000000074920000-0x0000000074951000-memory.dmp	dridex_ldr
behavioral1/memory/1992-6-0x0000000074920000-0x000000007493F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

5 1992 rundll32.exe
8 1992 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
5	1992	rundll32.exe
8	1992	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 1152 wrote to memory of 1992	1152	rundll32.exe	rundll32.exe
PID 1152 wrote to memory of 1992	1152	rundll32.exe	rundll32.exe
PID 1152 wrote to memory of 1992	1152	rundll32.exe	rundll32.exe
PID 1152 wrote to memory of 1992	1152	rundll32.exe	rundll32.exe
PID 1152 wrote to memory of 1992	1152	rundll32.exe	rundll32.exe
PID 1152 wrote to memory of 1992	1152	rundll32.exe	rundll32.exe
PID 1152 wrote to memory of 1992	1152	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\da4018445ea4fca2c635f667a15941518dca43d1215dba425aec332a15b53325.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1152
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\da4018445ea4fca2c635f667a15941518dca43d1215dba425aec332a15b53325.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1992

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/1556-7-0x000007FEF72E0000-0x000007FEF755A000-memory.dmp

Filesize
2.5MB

Download
memory/1992-2-0x0000000000000000-mapping.dmp

Download
memory/1992-3-0x00000000760C1000-0x00000000760C3000-memory.dmp

Filesize
8KB

Download
memory/1992-4-0x0000000074920000-0x0000000074951000-memory.dmp

Filesize
196KB

Download
memory/1992-5-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/1992-6-0x0000000074920000-0x000000007493F000-memory.dmp

Filesize
124KB

Download

Analysis

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