dridex | bef0af1024e5371dcccdf92bbdf2dbf4e94a2ae98e47695cf3aaa1cd36fd9d1b

Analysis

max time kernel
49s
max time network
60s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:44

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General

Target

bef0af1024e5371dcccdf92bbdf2dbf4e94a2ae98e47695cf3aaa1cd36fd9d1b.dll
Size

154KB
MD5

bad17ffaadae90ced1046e24fa4d75f2
SHA1

d2b0b677b49ca83810a81b4b7436b028996d345d
SHA256

bef0af1024e5371dcccdf92bbdf2dbf4e94a2ae98e47695cf3aaa1cd36fd9d1b
SHA512

fe25f2f90adfab593b5630e3e54767650e8b66e6a92c4b50a687c44dbf87412a011652dd9cfd7c4ad427288036dcdfa441d22ff31a53c7d7a9270be2bb8620d1

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/3012-115-0x0000000073F20000-0x0000000073F4D000-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 4044 wrote to memory of 3012	4044	rundll32.exe	rundll32.exe
PID 4044 wrote to memory of 3012	4044	rundll32.exe	rundll32.exe
PID 4044 wrote to memory of 3012	4044	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bef0af1024e5371dcccdf92bbdf2dbf4e94a2ae98e47695cf3aaa1cd36fd9d1b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4044

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bef0af1024e5371dcccdf92bbdf2dbf4e94a2ae98e47695cf3aaa1cd36fd9d1b.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3012

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/3012-114-0x0000000000000000-mapping.dmp

Download
memory/3012-115-0x0000000073F20000-0x0000000073F4D000-memory.dmp

Filesize
180KB

Download
memory/3012-117-0x00000000033C0000-0x00000000033C6000-memory.dmp

Filesize
24KB

Download