dridex | edf4dc19e4d3df063b1e0fe90b338aee7966d000392bb906a53006acb174900e

Analysis

max time kernel
28s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
04-05-2021 13:37

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General

Target

edf4dc19e4d3df063b1e0fe90b338aee7966d000392bb906a53006acb174900e.dll
Size

162KB
MD5

a7640ca7b4a48c8a291820e04fc81a9d
SHA1

72f8638f3d56dbed9b6d281303b1c52ff2f0449a
SHA256

edf4dc19e4d3df063b1e0fe90b338aee7966d000392bb906a53006acb174900e
SHA512

6e63eccc525ed5004d63e41fa4549ab4bb5f252a2592c31bf9272a6d75138c2e3b74e7f4b94cf48a22aa1e207fb05fd62bd1370660eecec18c6071445ab3cfa5

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
behavioral2/memory/2156-115-0x0000000073890000-0x00000000738BE000-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 2988 wrote to memory of 2156	2988	rundll32.exe	rundll32.exe
PID 2988 wrote to memory of 2156	2988	rundll32.exe	rundll32.exe
PID 2988 wrote to memory of 2156	2988	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\edf4dc19e4d3df063b1e0fe90b338aee7966d000392bb906a53006acb174900e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2988

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\edf4dc19e4d3df063b1e0fe90b338aee7966d000392bb906a53006acb174900e.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2156

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/2156-114-0x0000000000000000-mapping.dmp

Download
memory/2156-115-0x0000000073890000-0x00000000738BE000-memory.dmp

Filesize
184KB

Download
memory/2156-117-0x0000000004BC0000-0x0000000004BC6000-memory.dmp

Filesize
24KB

Download