dridex | c97e5de406f0f9c8548ea4bd3dfc490aeba613e9bbf3f495781196c883dcefac

Analysis

max time kernel
115s
max time network
115s
platform
windows10_x64
resource
win10v20201028
submitted
24/02/2021, 15:36

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General

Target
c97e5de406f0f9c8548ea4bd3dfc490aeba613e9bbf3f495781196c883dcefac.dll
Size 188KB
Sample210224-qtxbxw128e
SHA256 c97e5de406f0f9c8548ea4bd3dfc490aeba613e9bbf3f495781196c883dcefac
MD5 ab57e3dd80f11d568b85588a4762e4c4
SHA1 fb18bf00dc6c700853fae26568cd38963f3fd2c3
SHA512 ece7288238aee351e29bb860a374a9bf93938cf7448375e0cda515c2f31c46ddddc6a1cb1d90fbfb822886655eed5d5ed079b8d4488f960b5af27b7e75b72e46
MD5 SHA1 SHA512

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

209.151.236.42:443
91.121.94.86:8172
5.189.144.136:6516

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/1388-3-0x0000000073E40000-0x0000000073E71000-memory.dmp	dridex_ldr
behavioral2/memory/1388-5-0x0000000073E40000-0x0000000073E5F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
16	1388	rundll32.exe
18	1388	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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 896 wrote to memory of 1388	896	rundll32.exe	70
PID 896 wrote to memory of 1388	896	rundll32.exe	70
PID 896 wrote to memory of 1388	896	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c97e5de406f0f9c8548ea4bd3dfc490aeba613e9bbf3f495781196c883dcefac.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:896
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c97e5de406f0f9c8548ea4bd3dfc490aeba613e9bbf3f495781196c883dcefac.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1388

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1388-3-0x0000000073E40000-0x0000000073E71000-memory.dmp

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memory/1388-4-0x0000000004A90000-0x0000000004A96000-memory.dmp

Download

memory/1388-5-0x0000000073E40000-0x0000000073E5F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads