dridex | bbc15c054829945952dee8b7443d94655fd84d7d0bf820c962168e47c8b562fe

Analysis

max time kernel
19s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
21-06-2021 00:10

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General

Target

bbc15c054829945952dee8b7443d94655fd84d7d0bf820c962168e47c8b562fe.dll
Size

160KB
MD5

1fdb3b4978262e5c6e2aecf01c4f9ff0
SHA1

e1dfbba2de670542a6d28167119624b5d1f50a52
SHA256

bbc15c054829945952dee8b7443d94655fd84d7d0bf820c962168e47c8b562fe
SHA512

085573f7c1478b5ba6d97e999f020dcdb7772ca5a6397d931667a553ac7173a461be70b7d3ba7eaa2d02dc010ca4c6d6bee427687bdf89b40875185df48fa8f0

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/1892-115-0x0000000073660000-0x000000007368E000-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 4092 wrote to memory of 1892	4092	rundll32.exe	rundll32.exe
PID 4092 wrote to memory of 1892	4092	rundll32.exe	rundll32.exe
PID 4092 wrote to memory of 1892	4092	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bbc15c054829945952dee8b7443d94655fd84d7d0bf820c962168e47c8b562fe.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4092

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bbc15c054829945952dee8b7443d94655fd84d7d0bf820c962168e47c8b562fe.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1892

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/1892-114-0x0000000000000000-mapping.dmp

Download
memory/1892-115-0x0000000073660000-0x000000007368E000-memory.dmp

Filesize
184KB

Download
memory/1892-117-0x0000000002AE0000-0x0000000002AE6000-memory.dmp

Filesize
24KB

Download