dridex | a3ff47041c0c194e35cebb1af4faaa7e9ca09035501a67e65b985b8a24d67658

Analysis

max time kernel
19s
max time network
119s
platform
windows10_x64
resource
win10v20210410
submitted
21-06-2021 12:41

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General

Target

a3ff47041c0c194e35cebb1af4faaa7e9ca09035501a67e65b985b8a24d67658.dll
Size

160KB
MD5

bf0f27862248edcf9e701f043f11e400
SHA1

912a4bd011ed041732ab753bbd1427fbb9ea9054
SHA256

a3ff47041c0c194e35cebb1af4faaa7e9ca09035501a67e65b985b8a24d67658
SHA512

7ca4069a6ab889ee7bfb84adacf172aec112106a6b63d6508b47d9fb5dc73d3b2d67b415272a177e907b40ebf084cdfb6daf658973df511b83c42687f93eeb59

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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

Processes:

resource	yara_rule
behavioral1/memory/1248-115-0x0000000073A90000-0x0000000073ABE000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3904 wrote to memory of 1248	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 1248	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 1248	3904	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a3ff47041c0c194e35cebb1af4faaa7e9ca09035501a67e65b985b8a24d67658.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a3ff47041c0c194e35cebb1af4faaa7e9ca09035501a67e65b985b8a24d67658.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1248

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/1248-114-0x0000000000000000-mapping.dmp

Download
memory/1248-115-0x0000000073A90000-0x0000000073ABE000-memory.dmp

Filesize
184KB

Download
memory/1248-117-0x0000000000A80000-0x0000000000A86000-memory.dmp

Filesize
24KB

Download