dridex | 5e5a66c5524f4c010f61e4277feba6e2d2fa04bcfd29f33440b84a94128f93fc

Analysis

max time kernel
28s
max time network
113s
platform
windows10_x64
resource
win10v20210408
submitted
23-06-2021 04:40

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General

Target

5e5a66c5524f4c010f61e4277feba6e2d2fa04bcfd29f33440b84a94128f93fc.dll
Size

160KB
MD5

0420a1ca41466db48bd175cc1cec2144
SHA1

f896c492c501a0e0d5037a1e854dbec63eed83c1
SHA256

5e5a66c5524f4c010f61e4277feba6e2d2fa04bcfd29f33440b84a94128f93fc
SHA512

7d15a2c6660e233ab77b0a0b418995ceb7f90ee21ab168070f94f0bdc9eef72626d65b2ea325342cfb733f4337d7378158971eee3456dad0eba51775b71f52ba

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/1884-115-0x0000000073530000-0x000000007355E000-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 3628 wrote to memory of 1884	3628	rundll32.exe	rundll32.exe
PID 3628 wrote to memory of 1884	3628	rundll32.exe	rundll32.exe
PID 3628 wrote to memory of 1884	3628	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5e5a66c5524f4c010f61e4277feba6e2d2fa04bcfd29f33440b84a94128f93fc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3628

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5e5a66c5524f4c010f61e4277feba6e2d2fa04bcfd29f33440b84a94128f93fc.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1884

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/1884-114-0x0000000000000000-mapping.dmp

Download
memory/1884-115-0x0000000073530000-0x000000007355E000-memory.dmp

Filesize
184KB

Download
memory/1884-117-0x0000000002FF0000-0x0000000002FF6000-memory.dmp

Filesize
24KB

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