dridex | f09bbc37000d311d2a08870194269df8bd69242f10b911227d7ffcd2b376d3d3

Analysis

max time kernel
18s
max time network
112s
platform
windows10_x64
resource
win10v20210410
submitted
24-06-2021 16:21

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General

Target

f09bbc37000d311d2a08870194269df8bd69242f10b911227d7ffcd2b376d3d3.dll
Size

160KB
MD5

434896b96bcd0ff854702c71a7ac909f
SHA1

a7f929e14fc749c30fc8d6c554d72cdeb7a6575e
SHA256

f09bbc37000d311d2a08870194269df8bd69242f10b911227d7ffcd2b376d3d3
SHA512

e789d15d6e596f77bbbfdbeba39fb303f3d5b116b4b69d02a4eeaaeac3961a86319f20a8aaed9f33a7407cdffc801753e361cca062e8065e5e31091bfa2407fa

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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/1832-115-0x00000000735E0000-0x000000007360E000-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 3624 wrote to memory of 1832	3624	rundll32.exe	rundll32.exe
PID 3624 wrote to memory of 1832	3624	rundll32.exe	rundll32.exe
PID 3624 wrote to memory of 1832	3624	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f09bbc37000d311d2a08870194269df8bd69242f10b911227d7ffcd2b376d3d3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3624

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f09bbc37000d311d2a08870194269df8bd69242f10b911227d7ffcd2b376d3d3.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1832

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/1832-114-0x0000000000000000-mapping.dmp

Download
memory/1832-115-0x00000000735E0000-0x000000007360E000-memory.dmp

Filesize
184KB

Download
memory/1832-117-0x0000000004D50000-0x0000000004D56000-memory.dmp

Filesize
24KB

Download