dridex | 66c9c0b234081041dc1124a98604626a9a504f26b9c5d927607b3816da29e42e

Analysis

max time kernel
22s
max time network
9s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 15:55

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General

Target

66c9c0b234081041dc1124a98604626a9a504f26b9c5d927607b3816da29e42e.dll
Size

162KB
MD5

7578c23fad10fb7aeafd37aaa0aae9ba
SHA1

59fc9ea23c607081f959c2e27a882a79dc265d2f
SHA256

66c9c0b234081041dc1124a98604626a9a504f26b9c5d927607b3816da29e42e
SHA512

5a00bfbc0f0309c44e884e0ed2411da065a7e584561c6cde840872a76b20cd88c0610ea002ebdd1be56ef96e26c7c74884e4b7dc6d6c17a4077572f426432ae9

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/1988-61-0x0000000074740000-0x000000007476E000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1996 wrote to memory of 1988	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1988	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1988	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1988	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1988	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1988	1996	rundll32.exe	rundll32.exe
PID 1996 wrote to memory of 1988	1996	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\66c9c0b234081041dc1124a98604626a9a504f26b9c5d927607b3816da29e42e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1996

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\66c9c0b234081041dc1124a98604626a9a504f26b9c5d927607b3816da29e42e.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1988

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/1988-59-0x0000000000000000-mapping.dmp

Download
memory/1988-60-0x0000000075D41000-0x0000000075D43000-memory.dmp

Filesize
8KB

Download
memory/1988-61-0x0000000074740000-0x000000007476E000-memory.dmp

Filesize
184KB

Download
memory/1988-63-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download