dridex | dbe7abae1660d42d21e6ba76c6dbc142c5a3f9bf57423d41e28bb20ab07437f8

Analysis

max time kernel
128s
max time network
129s
platform
windows10_x64
resource
win10v20210408
submitted
09/05/2021, 14:01

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General

Target
43b686ee_by_Libranalysis.dll
Size 162KB
Sample210509-y89cg7d79e
SHA256 dbe7abae1660d42d21e6ba76c6dbc142c5a3f9bf57423d41e28bb20ab07437f8
MD5 43b686ee11ead2cb6c29018c9d3f7083
SHA1 335c0920344b6ebb8ddf5135043b05e335d27b46
SHA512 507758eb535446fb49ed0abed8d75e1ec0ce23a8492dbf7676c673f5e6dff535fba64a49c1a546b6429ea078dfb2014b69e9f8361018fc8530d5eae874ba5e99
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/1112-115-0x0000000074440000-0x000000007446E000-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 808 wrote to memory of 1112	808	rundll32.exe	70
PID 808 wrote to memory of 1112	808	rundll32.exe	70
PID 808 wrote to memory of 1112	808	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\43b686ee_by_Libranalysis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:808
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\43b686ee_by_Libranalysis.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1112

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/1112-115-0x0000000074440000-0x000000007446E000-memory.dmp

Download

memory/1112-117-0x0000000000C90000-0x0000000000C96000-memory.dmp