dridex | 7b6e8dc4fa45951c1aa14972bca5631c6eed944f9b7fe7e808a5329aeb12b3c5

Analysis

max time kernel
90s
max time network
92s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:17

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General

Target

7b6e8dc4fa45951c1aa14972bca5631c6eed944f9b7fe7e808a5329aeb12b3c5.dll
Size

154KB
MD5

966024e98e57021fdc2aa0697b6d13c4
SHA1

e95be9f63d9933de2b24437bbfbc43990815ac0e
SHA256

7b6e8dc4fa45951c1aa14972bca5631c6eed944f9b7fe7e808a5329aeb12b3c5
SHA512

1db631d098411a04373fb9058a6a46da587f79de0a1216aaa7bed36fb7343c1392aa1d9b239d5c4e71e6fc356c538b40e0894f2604557274d7a13f223e41c4e2

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/4456-115-0x0000000073820000-0x000000007384D000-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 4444 wrote to memory of 4456	4444	rundll32.exe	rundll32.exe
PID 4444 wrote to memory of 4456	4444	rundll32.exe	rundll32.exe
PID 4444 wrote to memory of 4456	4444	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b6e8dc4fa45951c1aa14972bca5631c6eed944f9b7fe7e808a5329aeb12b3c5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4444

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b6e8dc4fa45951c1aa14972bca5631c6eed944f9b7fe7e808a5329aeb12b3c5.dll,#1
2⤵
- Checks whether UAC is enabled
PID:4456

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/4456-114-0x0000000000000000-mapping.dmp

Download
memory/4456-115-0x0000000073820000-0x000000007384D000-memory.dmp

Filesize
180KB

Download
memory/4456-117-0x00000000024C0000-0x000000000260A000-memory.dmp

Filesize
1.3MB

Download