dridex | 5e64ee268440aa0dffece2a3126ca0fd5447467d415ef9c2a3a0e5567aaad55c

Analysis

max time kernel
118s
max time network
121s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:17

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General

Target

5e64ee268440aa0dffece2a3126ca0fd5447467d415ef9c2a3a0e5567aaad55c.dll
Size

154KB
MD5

0d4756da8c73fe9a7b78cebc70868044
SHA1

65867ffa1605e692d7da023989ed0f71fcf5373e
SHA256

5e64ee268440aa0dffece2a3126ca0fd5447467d415ef9c2a3a0e5567aaad55c
SHA512

c375b0c48871c1562b2c5edb2102777d0e3c54eda5dc11947637faf57aad4cd53a195d5aeb8cb83cee9093a3b90599932202d179a3e9047026926f3acbd75ff6

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/3996-115-0x0000000073A70000-0x0000000073A9D000-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 3872 wrote to memory of 3996	3872	rundll32.exe	rundll32.exe
PID 3872 wrote to memory of 3996	3872	rundll32.exe	rundll32.exe
PID 3872 wrote to memory of 3996	3872	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5e64ee268440aa0dffece2a3126ca0fd5447467d415ef9c2a3a0e5567aaad55c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3872

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5e64ee268440aa0dffece2a3126ca0fd5447467d415ef9c2a3a0e5567aaad55c.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3996

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/3996-114-0x0000000000000000-mapping.dmp

Download
memory/3996-115-0x0000000073A70000-0x0000000073A9D000-memory.dmp

Filesize
180KB

Download
memory/3996-117-0x0000000000F00000-0x0000000000F06000-memory.dmp

Filesize
24KB

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