dridex | b03e14e68d02982ae5ce409d1e552d8b6a01179c0821278e00544fdcd4c8f24b

Analysis

max time kernel
35s
max time network
46s
platform
windows10_x64
resource
win10v20210410
submitted
04-05-2021 14:45

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General

Target

b03e14e68d02982ae5ce409d1e552d8b6a01179c0821278e00544fdcd4c8f24b.dll
Size

162KB
MD5

0f4251f5aad6d871e1736205e5f61a3a
SHA1

e7a88dd1ca214992a0d78658e9416ac86cbee6cc
SHA256

b03e14e68d02982ae5ce409d1e552d8b6a01179c0821278e00544fdcd4c8f24b
SHA512

8b094b2ae0a7ebd6cf8693b29726b663acc37c0902c2504f37141b5d0634a4f609652e0395dc71ad45d2620c5d851bda3ea6c03d9443d492f6fecfc04b99bcce

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/3680-115-0x0000000074380000-0x00000000743AE000-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 3904 wrote to memory of 3680	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 3680	3904	rundll32.exe	rundll32.exe
PID 3904 wrote to memory of 3680	3904	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b03e14e68d02982ae5ce409d1e552d8b6a01179c0821278e00544fdcd4c8f24b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b03e14e68d02982ae5ce409d1e552d8b6a01179c0821278e00544fdcd4c8f24b.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3680

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/3680-114-0x0000000000000000-mapping.dmp

Download
memory/3680-115-0x0000000074380000-0x00000000743AE000-memory.dmp

Filesize
184KB

Download
memory/3680-117-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

Filesize
24KB

Download