dridex | c6e9f2308f4f2e199f487214e4f30cefd33ea2ca76cb985d1cf16178c71a0735

Analysis

max time kernel
140s
max time network
139s
platform
windows10_x64
resource
win10v20201028
submitted
24/02/2021, 15:37

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General

Target
c6e9f2308f4f2e199f487214e4f30cefd33ea2ca76cb985d1cf16178c71a0735.dll
Size 188KB
Sample210224-nnzmgsdj3n
SHA256 c6e9f2308f4f2e199f487214e4f30cefd33ea2ca76cb985d1cf16178c71a0735
MD5 cbc8c2effa1dc2cad1528ac09e9707fc
SHA1 09e20ba8e04afac2dc45368aad3918938c6e0e4f
SHA512 2686e4b8a1114d5b2e32b930ceaee3e720b2a2610350a6293e68d74bfa0c77b7906397e9ebee8aea0ee2a1a339ac8e52bfe94910b3c6f06b1543e2371f445a83
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/1312-3-0x00000000743E0000-0x0000000074411000-memory.dmp	dridex_ldr
behavioral2/memory/1312-5-0x00000000743E0000-0x00000000743FF000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
16	1312	rundll32.exe
18	1312	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 644 wrote to memory of 1312	644	rundll32.exe	70
PID 644 wrote to memory of 1312	644	rundll32.exe	70
PID 644 wrote to memory of 1312	644	rundll32.exe	70

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6e9f2308f4f2e199f487214e4f30cefd33ea2ca76cb985d1cf16178c71a0735.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:644
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6e9f2308f4f2e199f487214e4f30cefd33ea2ca76cb985d1cf16178c71a0735.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1312

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/1312-3-0x00000000743E0000-0x0000000074411000-memory.dmp

Download

memory/1312-4-0x0000000000A70000-0x0000000000A76000-memory.dmp

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memory/1312-5-0x00000000743E0000-0x00000000743FF000-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