dridex | b1f11ebc19e02ede1d5936e0d3e3f3ea65906f20e48cd5d3b9ed716eac85c2ff

Analysis

max time kernel
122s
max time network
125s
platform
windows10_x64
resource
win10v20210408
submitted
08/05/2021, 07:02

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General

Target
8d2c2b06_by_Libranalysis.dll
Size 162KB
Sample210508-3jempbzs86
SHA256 b1f11ebc19e02ede1d5936e0d3e3f3ea65906f20e48cd5d3b9ed716eac85c2ff
MD5 8d2c2b06d923abcedaf65e5f230ae75b
SHA1 157c6465646145a791ae9156822af0512dd6fa33
SHA512 7e7a294ee56aa3b457798dc0d2bb2f429a6ba9c22dc36ec6d9b60015e7afb87f199897bc33eaedddc6dfc43428273212c293943caf610adbad8bbc917e249097
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/1196-115-0x0000000073D90000-0x0000000073DBE000-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 860 wrote to memory of 1196	860	rundll32.exe	70
PID 860 wrote to memory of 1196	860	rundll32.exe	70
PID 860 wrote to memory of 1196	860	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8d2c2b06_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:860
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8d2c2b06_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1196

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/1196-115-0x0000000073D90000-0x0000000073DBE000-memory.dmp

Download

memory/1196-117-0x0000000000600000-0x00000000006AE000-memory.dmp