dridex | 4292b64d245f4ae35e0fa0f0304671f343810df315bcde625829cc1b2cf8eb94

Analysis

max time kernel
45s
max time network
54s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:08

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General

Target

4292b64d245f4ae35e0fa0f0304671f343810df315bcde625829cc1b2cf8eb94.dll
Size

154KB
MD5

29cb5ec9716ca13ba2ec470fc1166e30
SHA1

0dcfaae5dbf0f7a9d1d095a2a9fd149d61c5c715
SHA256

4292b64d245f4ae35e0fa0f0304671f343810df315bcde625829cc1b2cf8eb94
SHA512

636b04c15f69e93a548136f0c1d407642bad3d34d416e929725f3d8cefd44e07ac4a66f564bb53a76fc8043bea74e71d3d0b0162cd1dea0d05da85e9824de152

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/1788-115-0x00000000736D0000-0x00000000736FD000-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 796 wrote to memory of 1788	796	rundll32.exe	rundll32.exe
PID 796 wrote to memory of 1788	796	rundll32.exe	rundll32.exe
PID 796 wrote to memory of 1788	796	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4292b64d245f4ae35e0fa0f0304671f343810df315bcde625829cc1b2cf8eb94.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:796

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4292b64d245f4ae35e0fa0f0304671f343810df315bcde625829cc1b2cf8eb94.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1788

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/1788-114-0x0000000000000000-mapping.dmp

Download
memory/1788-115-0x00000000736D0000-0x00000000736FD000-memory.dmp

Filesize
180KB

Download
memory/1788-117-0x0000000002BA0000-0x0000000002BA6000-memory.dmp

Filesize
24KB

Download