dridex | cf802cb3c85e9bdffb240ffe6dda4417e1c356c62ebe8dcee0b0bba9f081fa72

Analysis

max time kernel
19s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
25-06-2021 04:42

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General

Target

cf802cb3c85e9bdffb240ffe6dda4417e1c356c62ebe8dcee0b0bba9f081fa72.dll
Size

158KB
MD5

309cee4af7f9cf61e8454595710f374c
SHA1

d1ea590265595120a59a2032d88ad944ec3957b3
SHA256

cf802cb3c85e9bdffb240ffe6dda4417e1c356c62ebe8dcee0b0bba9f081fa72
SHA512

2f7b5cd976a3629d1fe2a39b52ec66715a588abcf3914dac13b54da358a53dca8dd4de2d0936d2626e3e4c1bb66405078ef0c222f656979dab5bf61966f2b0b8

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/1968-115-0x0000000073660000-0x000000007368D000-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 4092 wrote to memory of 1968	4092	rundll32.exe	rundll32.exe
PID 4092 wrote to memory of 1968	4092	rundll32.exe	rundll32.exe
PID 4092 wrote to memory of 1968	4092	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf802cb3c85e9bdffb240ffe6dda4417e1c356c62ebe8dcee0b0bba9f081fa72.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4092

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf802cb3c85e9bdffb240ffe6dda4417e1c356c62ebe8dcee0b0bba9f081fa72.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1968

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/1968-114-0x0000000000000000-mapping.dmp

Download
memory/1968-115-0x0000000073660000-0x000000007368D000-memory.dmp

Filesize
180KB

Download
memory/1968-117-0x0000000000890000-0x000000000093E000-memory.dmp

Filesize
696KB

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