dridex | 95524a9c51637b4b291bdb740bd35fbf15576d3c135507ef5ff01a2dbd639638

Analysis

max time kernel
18s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
21-06-2021 01:06

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General

Target

95524a9c51637b4b291bdb740bd35fbf15576d3c135507ef5ff01a2dbd639638.dll
Size

162KB
MD5

61a6fb5075f9a23d43a840dc3f534518
SHA1

0ebe8e09ec035af343cebe8f92aa685f8d9a319d
SHA256

95524a9c51637b4b291bdb740bd35fbf15576d3c135507ef5ff01a2dbd639638
SHA512

235ad24bb519133a9bebbae30fb82da7f177f526cc4027ffb30fe189c54eb0e94d77890a85b14537a63c15c4a9dc780dc750c3f4a654dbd2c23fe6563bc0128a

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/3244-115-0x00000000739D0000-0x00000000739FE000-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 1736 wrote to memory of 3244	1736	rundll32.exe	rundll32.exe
PID 1736 wrote to memory of 3244	1736	rundll32.exe	rundll32.exe
PID 1736 wrote to memory of 3244	1736	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\95524a9c51637b4b291bdb740bd35fbf15576d3c135507ef5ff01a2dbd639638.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1736

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\95524a9c51637b4b291bdb740bd35fbf15576d3c135507ef5ff01a2dbd639638.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3244

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/3244-114-0x0000000000000000-mapping.dmp

Download
memory/3244-115-0x00000000739D0000-0x00000000739FE000-memory.dmp

Filesize
184KB

Download
memory/3244-117-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download