dridex | 75d22dbb2e2e6a44cf9fc99d42c79e103738c0d5a11cabe046e81c078f1da0bf

Analysis

max time kernel
91s
max time network
94s
platform
windows10_x64
resource
win10v20210408
submitted
30/04/2021, 20:02

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General

Target
a4f6ea7f_by_Libranalysis.dll
Size 162KB
Sample210430-maa6jzlfee
SHA256 75d22dbb2e2e6a44cf9fc99d42c79e103738c0d5a11cabe046e81c078f1da0bf
MD5 a4f6ea7f808336ff8af06b767046fb56
SHA1 10cda0755bf551c0db666f0be46b065166720e07
SHA512 99dd5647de77d91da8cf5ce62609507d871433d07fea1449643ec7cf5fbb647f8fa46c07d5827801812f9ac5c641a4f64f156b97b58f900861e9ab64eeb6b558
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/4024-115-0x0000000073990000-0x00000000739BE000-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 3260 wrote to memory of 4024	3260	rundll32.exe	71
PID 3260 wrote to memory of 4024	3260	rundll32.exe	71
PID 3260 wrote to memory of 4024	3260	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a4f6ea7f_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3260
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a4f6ea7f_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:4024

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/4024-115-0x0000000073990000-0x00000000739BE000-memory.dmp

Download

memory/4024-117-0x00000000031D0000-0x00000000031D6000-memory.dmp