dridex | 3ac95aa80859a7c4dcbb9144454bf19abe4d56879ade79be9559270c3c4ca825

Analysis

max time kernel
19s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
18-06-2021 21:47

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General

Target

3ac95aa80859a7c4dcbb9144454bf19abe4d56879ade79be9559270c3c4ca825.dll
Size

160KB
MD5

3bc3c5f83afe27ba40f35038f8027993
SHA1

5c283032bb79d58eacc853e956365ae942f62a84
SHA256

3ac95aa80859a7c4dcbb9144454bf19abe4d56879ade79be9559270c3c4ca825
SHA512

74f450dffa7f88075d1e17e1772135f1400baded37b0af71fe792e7f8e90c302a1a02d8bce99efff42c7219d4f80a197e3b30593afea52264fd2f1abaa864478

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/64-115-0x0000000073DE0000-0x0000000073E0E000-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 2896 wrote to memory of 64	2896	rundll32.exe	rundll32.exe
PID 2896 wrote to memory of 64	2896	rundll32.exe	rundll32.exe
PID 2896 wrote to memory of 64	2896	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ac95aa80859a7c4dcbb9144454bf19abe4d56879ade79be9559270c3c4ca825.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3ac95aa80859a7c4dcbb9144454bf19abe4d56879ade79be9559270c3c4ca825.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:64

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/64-114-0x0000000000000000-mapping.dmp

Download
memory/64-115-0x0000000073DE0000-0x0000000073E0E000-memory.dmp

Filesize
184KB

Download
memory/64-117-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

Filesize
24KB

Download