dridex | d0fbffd674c45c4b07415769469a87d99ee443a70d59b49aab4ccb951e0babe4

Analysis

max time kernel
89s
max time network
150s
platform
windows10_x64
resource
win10v20201028
submitted
24/02/2021, 15:05

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General

Target
d0fbffd674c45c4b07415769469a87d99ee443a70d59b49aab4ccb951e0babe4.dll
Size 188KB
Sample210224-g32xdlccws
SHA256 d0fbffd674c45c4b07415769469a87d99ee443a70d59b49aab4ccb951e0babe4
MD5 5cd993cb020af3d9a2dc872c4e699639
SHA1 a33af7e1914ada2f4d79a4df474f40571ac1b3ba
SHA512 d791c6ca73ba274574d7d9f1e5e9183ba30eb39bdbc411a80644378755bac154b26e7d4deacd3baf7e0fdc417a30439adc76afcb5b053a0287711274614a00a3
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/1060-3-0x0000000074410000-0x0000000074441000-memory.dmp	dridex_ldr
behavioral2/memory/1060-5-0x0000000074410000-0x000000007442F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
20	1060	rundll32.exe
22	1060	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 1400 wrote to memory of 1060	1400	rundll32.exe	71
PID 1400 wrote to memory of 1060	1400	rundll32.exe	71
PID 1400 wrote to memory of 1060	1400	rundll32.exe	71

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d0fbffd674c45c4b07415769469a87d99ee443a70d59b49aab4ccb951e0babe4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1400
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d0fbffd674c45c4b07415769469a87d99ee443a70d59b49aab4ccb951e0babe4.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1060

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/1060-3-0x0000000074410000-0x0000000074441000-memory.dmp

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memory/1060-4-0x0000000000A00000-0x0000000000A06000-memory.dmp

Download

memory/1060-5-0x0000000074410000-0x000000007442F000-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