dridex | 0fb303ebba96cbce57d544435c7c912801c33a2158de05d7e55942e2cfe5797a

Analysis

max time kernel
24s
max time network
108s
platform
windows10_x64
resource
win10v20201028
submitted
24/02/2021, 15:40

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General

Target
0fb303ebba96cbce57d544435c7c912801c33a2158de05d7e55942e2cfe5797a.dll
Size 188KB
Sample210224-m6dpczwn2a
SHA256 0fb303ebba96cbce57d544435c7c912801c33a2158de05d7e55942e2cfe5797a
MD5 b4af1afb49989713afbca9b1dc0e88fb
SHA1 6bcabd9bff1a06934c0268ec9787eefaae93a232
SHA512 984f4c884d6378562274019cf97079ab0f8ba227aa086bbc13fc6383f1e019128482e655d12c63bdbe6c111d176731a7041bec351849d80c7c0efae5ada07d08
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/1336-3-0x0000000073EF0000-0x0000000073F21000-memory.dmp	dridex_ldr
behavioral2/memory/1336-5-0x0000000073EF0000-0x0000000073F0F000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

flow	pid	Process
15	1336	rundll32.exe
17	1336	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 1180 wrote to memory of 1336	1180	rundll32.exe	69
PID 1180 wrote to memory of 1336	1180	rundll32.exe	69
PID 1180 wrote to memory of 1336	1180	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0fb303ebba96cbce57d544435c7c912801c33a2158de05d7e55942e2cfe5797a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0fb303ebba96cbce57d544435c7c912801c33a2158de05d7e55942e2cfe5797a.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:1336

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/1336-3-0x0000000073EF0000-0x0000000073F21000-memory.dmp

Download

memory/1336-4-0x00000000023F0000-0x00000000023F6000-memory.dmp

Download

memory/1336-5-0x0000000073EF0000-0x0000000073F0F000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads