dridex | 1794087fd1df0476b2b5695f252cb2a880d681c2d2ed2d4ef2adb6ebd1e48804

Analysis

max time kernel
26s
max time network
66s
platform
windows10_x64
resource
win10v20210408
submitted
24-06-2021 06:19

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General

Target

1794087fd1df0476b2b5695f252cb2a880d681c2d2ed2d4ef2adb6ebd1e48804.dll
Size

162KB
MD5

3b41b42cf78d25d63199057398d06253
SHA1

cb6cad897f5b3be0eb462f557fdc540ec90c4837
SHA256

1794087fd1df0476b2b5695f252cb2a880d681c2d2ed2d4ef2adb6ebd1e48804
SHA512

bb4c72457b172da396446d34e8dec528827831c783bd84c028afba7e9f8b77a8fe098fba6048f5722a185f226160606fb2af9ca720a70fa135bdde01d7c99418

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/904-115-0x00000000735F0000-0x000000007361E000-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 528 wrote to memory of 904	528	rundll32.exe	rundll32.exe
PID 528 wrote to memory of 904	528	rundll32.exe	rundll32.exe
PID 528 wrote to memory of 904	528	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1794087fd1df0476b2b5695f252cb2a880d681c2d2ed2d4ef2adb6ebd1e48804.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:528

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1794087fd1df0476b2b5695f252cb2a880d681c2d2ed2d4ef2adb6ebd1e48804.dll,#1
2⤵
- Checks whether UAC is enabled
PID:904

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/904-114-0x0000000000000000-mapping.dmp

Download
memory/904-115-0x00000000735F0000-0x000000007361E000-memory.dmp

Filesize
184KB

Download
memory/904-117-0x00000000030B0000-0x000000000315E000-memory.dmp

Filesize
696KB

Download