dridex | 254655830a6c345fda5a4bc22fa80c4e0f22150c56aef7839154375694a78f74

Analysis

max time kernel
109s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
21-04-2021 18:11

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General

Target

254655830a6c345fda5a4bc22fa80c4e0f22150c56aef7839154375694a78f74.dll
Size

154KB
MD5

3c1976e79952de5a74084f95a889b372
SHA1

4cab569c23aa8d84a0c2e7c7256da861a208d2ad
SHA256

254655830a6c345fda5a4bc22fa80c4e0f22150c56aef7839154375694a78f74
SHA512

ba3bbbac5e59f11f3d85357da2397df4c27cf53b33fd7cf37dd5abfda20de9e004326414b717c75adfe98f752b6955cbce0f03815009b5b22f0cb6801d15d1b7

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/3896-115-0x00000000736B0000-0x00000000736DD000-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 2256 wrote to memory of 3896	2256	rundll32.exe	rundll32.exe
PID 2256 wrote to memory of 3896	2256	rundll32.exe	rundll32.exe
PID 2256 wrote to memory of 3896	2256	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\254655830a6c345fda5a4bc22fa80c4e0f22150c56aef7839154375694a78f74.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2256

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\254655830a6c345fda5a4bc22fa80c4e0f22150c56aef7839154375694a78f74.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3896

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/3896-114-0x0000000000000000-mapping.dmp

Download
memory/3896-115-0x00000000736B0000-0x00000000736DD000-memory.dmp

Filesize
180KB

Download
memory/3896-117-0x0000000001020000-0x0000000001026000-memory.dmp

Filesize
24KB

Download