dridex | 5bcebf35a2959340d1d4d2d9adb1bef5b52941dcbb950cef4483b7e97eb856cf

Analysis

max time kernel
125s
max time network
125s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 14:52

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General

Target

5bcebf35a2959340d1d4d2d9adb1bef5b52941dcbb950cef4483b7e97eb856cf.dll
Size

162KB
MD5

2aad3db5e26b9faeb4d3ba084d3f27e0
SHA1

ed2444f1f4c415984e349bb0a892a88225bdbfc9
SHA256

5bcebf35a2959340d1d4d2d9adb1bef5b52941dcbb950cef4483b7e97eb856cf
SHA512

73e2e8245c717830d860a61379d5d7ea92401f4993071e776a59f61b59792abdd88a21d99730b83c05bfc51bcfaad6213a30b80cf31195ef20388e3b83cf37d2

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
behavioral2/memory/2288-115-0x0000000073D70000-0x0000000073D9E000-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 2288	3256	rundll32.exe	rundll32.exe
PID 3256 wrote to memory of 2288	3256	rundll32.exe	rundll32.exe
PID 3256 wrote to memory of 2288	3256	rundll32.exe	rundll32.exe

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5bcebf35a2959340d1d4d2d9adb1bef5b52941dcbb950cef4483b7e97eb856cf.dll,#1
1⤵
- Checks whether UAC is enabled
PID:2288

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5bcebf35a2959340d1d4d2d9adb1bef5b52941dcbb950cef4483b7e97eb856cf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3256

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/2288-114-0x0000000000000000-mapping.dmp

Download
memory/2288-115-0x0000000073D70000-0x0000000073D9E000-memory.dmp

Filesize
184KB

Download
memory/2288-117-0x0000000000D00000-0x0000000000D06000-memory.dmp

Filesize
24KB

Download