dridex | b6d7a413141c4d61eeace0a722cc0973d4de1b04430b821cc0aef8b4d7da05df

Analysis

max time kernel
25s
max time network
36s
platform
windows10_x64
resource
win10v20210408
submitted
23/05/2021, 11:01

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General

Target
40426294_by_Libranalysis.dll
Size 162KB
Sample210523-mmb5bzhs3a
SHA256 b6d7a413141c4d61eeace0a722cc0973d4de1b04430b821cc0aef8b4d7da05df
MD5 404262942cc22187f44fcfddda61610b
SHA1 144cf3b597b5634b293b9069728ce63a7b52cf66
SHA512 832e671b6e54be99ff2f5c447bee1e9d8cbfd06f902c8f766de0497a7d67f24a1676be03f8ebabba9e8f90139e838c0229506e6b6125a9192f844e3b28d3f3a0
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/1100-115-0x0000000074350000-0x000000007437E000-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 740 wrote to memory of 1100	740	rundll32.exe	70
PID 740 wrote to memory of 1100	740	rundll32.exe	70
PID 740 wrote to memory of 1100	740	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\40426294_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:740
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\40426294_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1100

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/1100-115-0x0000000074350000-0x000000007437E000-memory.dmp

Download

memory/1100-117-0x0000000002940000-0x00000000029EE000-memory.dmp