dridex | e0c50e9641ea670a0e215b9a4e30e18104cfe69e10837e9bae00d1a9201b8797

Analysis

max time kernel
41s
max time network
75s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 17:42

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General

Target

e0c50e9641ea670a0e215b9a4e30e18104cfe69e10837e9bae00d1a9201b8797.dll
Size

162KB
MD5

2498e7eac99bd0217c26aeb7678995c3
SHA1

68621dd406957330d6721fd8466837a0f3009a99
SHA256

e0c50e9641ea670a0e215b9a4e30e18104cfe69e10837e9bae00d1a9201b8797
SHA512

d29ad25d631434e9bfd224971ccdd4ad33e7679269ebbfe52141b6487f1b52f03cab0c4c1217422e1a0e156bdba633e0e3e48aa9dd02c5776f163417cf67e092

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/1012-115-0x0000000074310000-0x000000007433E000-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 636 wrote to memory of 1012	636	rundll32.exe	rundll32.exe
PID 636 wrote to memory of 1012	636	rundll32.exe	rundll32.exe
PID 636 wrote to memory of 1012	636	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e0c50e9641ea670a0e215b9a4e30e18104cfe69e10837e9bae00d1a9201b8797.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:636

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e0c50e9641ea670a0e215b9a4e30e18104cfe69e10837e9bae00d1a9201b8797.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1012

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/1012-114-0x0000000000000000-mapping.dmp

Download
memory/1012-115-0x0000000074310000-0x000000007433E000-memory.dmp

Filesize
184KB

Download
memory/1012-117-0x0000000003310000-0x0000000003316000-memory.dmp

Filesize
24KB

Download