dridex | 71c12db02e7999e5a3b544274c626f185946dd8754772ca5abd898b4adf79af9

Analysis

max time kernel
21s
max time network
119s
platform
windows10_x64
resource
win10v20210410
submitted
23-06-2021 03:59

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General

Target

71c12db02e7999e5a3b544274c626f185946dd8754772ca5abd898b4adf79af9.dll
Size

158KB
MD5

97379a4e81a3f0db3ae5c5a1f37848a9
SHA1

240d30457b10a69206778015bb1958dce9407979
SHA256

71c12db02e7999e5a3b544274c626f185946dd8754772ca5abd898b4adf79af9
SHA512

4f20a6a9ba36e010e37627fb2426bd5e8cc2c8fe2b9f014b2c748f697c564c7cc7d0d953b092f1b047e4fa0d79fd7ac1e288baf714ccf7691c76f5b4940d7c1b

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/3764-115-0x00000000741E0000-0x000000007420D000-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 3188 wrote to memory of 3764	3188	rundll32.exe	rundll32.exe
PID 3188 wrote to memory of 3764	3188	rundll32.exe	rundll32.exe
PID 3188 wrote to memory of 3764	3188	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\71c12db02e7999e5a3b544274c626f185946dd8754772ca5abd898b4adf79af9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3188

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\71c12db02e7999e5a3b544274c626f185946dd8754772ca5abd898b4adf79af9.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3764

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/3764-114-0x0000000000000000-mapping.dmp

Download
memory/3764-115-0x00000000741E0000-0x000000007420D000-memory.dmp

Filesize
180KB

Download
memory/3764-117-0x0000000002AB0000-0x0000000002B5E000-memory.dmp

Filesize
696KB

Download