dridex | a7f28cd74a5758e77df3d2b096d01f73c16738b5511637043c8ca3098d4d0a02

Analysis

max time kernel
28s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
05/05/2021, 21:02

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General

Target
a328d0eb_by_Libranalysis.dll
Size 162KB
Sample210505-22ltdyvynn
SHA256 a7f28cd74a5758e77df3d2b096d01f73c16738b5511637043c8ca3098d4d0a02
MD5 a328d0eb4d6581585b1fd17e750edcdf
SHA1 543ec0130b2d076b0cdf796c1f03c87b9072be2d
SHA512 c08d5dc671f150126ff769597695455d234fac28b50296b36b042c8eaf7e596849787cc7f4c65b40700ddebb6b876409156949ad626dfa99860f61641a8a0470
MD5 SHA1 SHA512

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

resource	yara_rule
behavioral2/memory/1768-115-0x0000000074380000-0x00000000743AE000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

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

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3724 wrote to memory of 1768	3724	rundll32.exe	70
PID 3724 wrote to memory of 1768	3724	rundll32.exe	70
PID 3724 wrote to memory of 1768	3724	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a328d0eb_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3724
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a328d0eb_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1768

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/1768-115-0x0000000074380000-0x00000000743AE000-memory.dmp

Download

memory/1768-117-0x0000000001310000-0x0000000001316000-memory.dmp