dridex | c166b40215b38150149fef198697910a8f70229fd2d0969eaea782a25798da6e

Analysis

max time kernel
27s
max time network
121s
platform
windows10_x64
resource
win10v20210408
submitted
21-06-2021 20:21

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General

Target

c166b40215b38150149fef198697910a8f70229fd2d0969eaea782a25798da6e.dll
Size

160KB
MD5

a8887fa1169a14fa3b5f34713a0ef0be
SHA1

b10bad2ebcc1de1c7e4f2d13cbd3cef9b3be63b7
SHA256

c166b40215b38150149fef198697910a8f70229fd2d0969eaea782a25798da6e
SHA512

2da0fbd89fa068757358e8f3e1538122ef9118fa715d786d5886c43cc4f102cb46b0c69b275c680b73690c2120dcbce1d809a6aa48306d1ebc51b81fe3918731

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/1092-115-0x0000000074430000-0x000000007445E000-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 764 wrote to memory of 1092	764	rundll32.exe	rundll32.exe
PID 764 wrote to memory of 1092	764	rundll32.exe	rundll32.exe
PID 764 wrote to memory of 1092	764	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c166b40215b38150149fef198697910a8f70229fd2d0969eaea782a25798da6e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:764

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c166b40215b38150149fef198697910a8f70229fd2d0969eaea782a25798da6e.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1092

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/1092-114-0x0000000000000000-mapping.dmp

Download
memory/1092-115-0x0000000074430000-0x000000007445E000-memory.dmp

Filesize
184KB

Download
memory/1092-117-0x0000000000EE0000-0x0000000000EE6000-memory.dmp

Filesize
24KB

Download