dridex | 6a7b2f3e64087b3c42e0d290bb84fbef9c3f4a53cd1b30aebfb1ac3e6514949f

Analysis

max time kernel
18s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
29-06-2021 16:26

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General

Target

6a7b2f3e64087b3c42e0d290bb84fbef9c3f4a53cd1b30aebfb1ac3e6514949f.dll
Size

160KB
MD5

ef878c386a1d2581e52d36165a24677d
SHA1

f48ed6bf13015676ea78284124b87445861eb238
SHA256

6a7b2f3e64087b3c42e0d290bb84fbef9c3f4a53cd1b30aebfb1ac3e6514949f
SHA512

e744bc47a6d8f96c9761d0609cc463f8664a986b4e269ad3a3506f07dbdff09af273a8bc05cd352732eb69a2bc376fa65e6a1277ba4a8578f1016b8e191cf4ce

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/2956-115-0x0000000073D70000-0x0000000073D9E000-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 3256 wrote to memory of 2956	3256	rundll32.exe	rundll32.exe
PID 3256 wrote to memory of 2956	3256	rundll32.exe	rundll32.exe
PID 3256 wrote to memory of 2956	3256	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6a7b2f3e64087b3c42e0d290bb84fbef9c3f4a53cd1b30aebfb1ac3e6514949f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3256
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6a7b2f3e64087b3c42e0d290bb84fbef9c3f4a53cd1b30aebfb1ac3e6514949f.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2956

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/2956-114-0x0000000000000000-mapping.dmp

Download
memory/2956-115-0x0000000073D70000-0x0000000073D9E000-memory.dmp

Filesize
184KB

Download
memory/2956-117-0x0000000000A20000-0x0000000000A26000-memory.dmp

Filesize
24KB

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