dridex | 19415d0e4a74a56f4ac97b5cd6aefead2f3a4363b566f05290b8b274918091c4

General

Target

19415d0e4a74a56f4ac97b5cd6aefead2f3a4363b566f05290b8b274918091c4.dll
Size

188KB
MD5

8a3681a11fb9f1f973ad2f43fe00aacf
SHA1

feb71ca3c8d7da220fd7fd4cdca811e935e7c7f7
SHA256

19415d0e4a74a56f4ac97b5cd6aefead2f3a4363b566f05290b8b274918091c4
SHA512

db402dcaf3a7389448723c1e89503ffe0bb41eb71b08fe79ac03928bf0fd5bcf42d5bb96f24c182d2a5de5fba6d8957050e86f9bb104346cb5f33bb79283116d

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/1988-4-0x00000000746D0000-0x0000000074701000-memory.dmp	dridex_ldr
behavioral1/memory/1988-6-0x00000000746D0000-0x00000000746EF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

5 1988 rundll32.exe
8 1988 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	1988	rundll32.exe
8	1988	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 1044 wrote to memory of 1988	1044	rundll32.exe	rundll32.exe
PID 1044 wrote to memory of 1988	1044	rundll32.exe	rundll32.exe
PID 1044 wrote to memory of 1988	1044	rundll32.exe	rundll32.exe
PID 1044 wrote to memory of 1988	1044	rundll32.exe	rundll32.exe
PID 1044 wrote to memory of 1988	1044	rundll32.exe	rundll32.exe
PID 1044 wrote to memory of 1988	1044	rundll32.exe	rundll32.exe
PID 1044 wrote to memory of 1988	1044	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\19415d0e4a74a56f4ac97b5cd6aefead2f3a4363b566f05290b8b274918091c4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1044

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\19415d0e4a74a56f4ac97b5cd6aefead2f3a4363b566f05290b8b274918091c4.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1988

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1508-7-0x000007FEF77C0000-0x000007FEF7A3A000-memory.dmp

Filesize
2.5MB

Download
memory/1988-2-0x0000000000000000-mapping.dmp

Download
memory/1988-3-0x00000000760A1000-0x00000000760A3000-memory.dmp

Filesize
8KB

Download
memory/1988-4-0x00000000746D0000-0x0000000074701000-memory.dmp

Filesize
196KB

Download
memory/1988-5-0x00000000000D0000-0x00000000000D6000-memory.dmp

Filesize
24KB

Download
memory/1988-6-0x00000000746D0000-0x00000000746EF000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing