dridex | 1f5699c9a1b2d73ae5c996a4906df4922820801b9a7f84a9364ac905da598c75

Analysis

max time kernel
19s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
24-06-2021 08:14

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General

Target

1f5699c9a1b2d73ae5c996a4906df4922820801b9a7f84a9364ac905da598c75.dll
Size

162KB
MD5

166c8810cc2b8fc2e3b313aea87c08ca
SHA1

771fd7ab9127dd463afce60dff2836d03932daed
SHA256

1f5699c9a1b2d73ae5c996a4906df4922820801b9a7f84a9364ac905da598c75
SHA512

4533ec207b4d68fc1d1fa127fd7ba4b07937247690eff2315d81581322176e4bf84485d1d5b9e781e30f29f6c16a709bd1ee1427e2d91073a468a0142dea9d9c

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

Processes:

resource	yara_rule
behavioral1/memory/620-115-0x0000000073660000-0x000000007368E000-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 4012 wrote to memory of 620	4012	rundll32.exe	rundll32.exe
PID 4012 wrote to memory of 620	4012	rundll32.exe	rundll32.exe
PID 4012 wrote to memory of 620	4012	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1f5699c9a1b2d73ae5c996a4906df4922820801b9a7f84a9364ac905da598c75.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4012

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1f5699c9a1b2d73ae5c996a4906df4922820801b9a7f84a9364ac905da598c75.dll,#1
2⤵
- Checks whether UAC is enabled
PID:620

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/620-114-0x0000000000000000-mapping.dmp

Download
memory/620-115-0x0000000073660000-0x000000007368E000-memory.dmp

Filesize
184KB

Download
memory/620-117-0x0000000003300000-0x000000000344A000-memory.dmp

Filesize
1.3MB

Download