dridex | 36de6acb64e66401972114d7fbda8748a1c6d0dac48e8ba80e5bc929d3f00ec6

Analysis

max time kernel
18s
max time network
135s
platform
windows10_x64
resource
win10v20210410
submitted
24-06-2021 06:32

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General

Target

36de6acb64e66401972114d7fbda8748a1c6d0dac48e8ba80e5bc929d3f00ec6.dll
Size

162KB
MD5

7f38306f945d1ac27e40095d10e82b3a
SHA1

74256aec23f9ea1c8fd3a135591800342f3dd8b8
SHA256

36de6acb64e66401972114d7fbda8748a1c6d0dac48e8ba80e5bc929d3f00ec6
SHA512

10fd200bb2c0649c0a53ac1fe376b21fd8bfd7654addbf3bc0a9c779ee1fbbb18383c936fced209481a4d04c81b03fc46c0815bf8399e762afbc6b123c735a99

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/4084-115-0x0000000074480000-0x00000000744AE000-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 4024 wrote to memory of 4084	4024	rundll32.exe	rundll32.exe
PID 4024 wrote to memory of 4084	4024	rundll32.exe	rundll32.exe
PID 4024 wrote to memory of 4084	4024	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\36de6acb64e66401972114d7fbda8748a1c6d0dac48e8ba80e5bc929d3f00ec6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4024

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\36de6acb64e66401972114d7fbda8748a1c6d0dac48e8ba80e5bc929d3f00ec6.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4084

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4084-114-0x0000000000000000-mapping.dmp

Download
memory/4084-115-0x0000000074480000-0x00000000744AE000-memory.dmp

Filesize
184KB

Download
memory/4084-117-0x0000000000BE0000-0x0000000000BE6000-memory.dmp

Filesize
24KB

Download