dridex | 9f05dfab6e83adc93c9f78af4f21c4f4e155d6afdae2ca7a3207823d8c7f33a7

Analysis

max time kernel
25s
max time network
112s
platform
windows10_x64
resource
win10v20210408
submitted
25-06-2021 02:39

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General

Target

9f05dfab6e83adc93c9f78af4f21c4f4e155d6afdae2ca7a3207823d8c7f33a7.dll
Size

158KB
MD5

40999335ad91d7b1ceb6c1e3f4116687
SHA1

7820fb6d52bb4130c37e6a94c83c2281fc9e3810
SHA256

9f05dfab6e83adc93c9f78af4f21c4f4e155d6afdae2ca7a3207823d8c7f33a7
SHA512

1b5d430d6547f972a4c2cb8faccd428bc354c9f7404dd51eda0e9065d9c452a91c10b174d19ccbf91e1b9e49603125695ca083bfb299ee837285549ba8c20484

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/1416-115-0x0000000073F10000-0x0000000073F3D000-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 992 wrote to memory of 1416	992	rundll32.exe	rundll32.exe
PID 992 wrote to memory of 1416	992	rundll32.exe	rundll32.exe
PID 992 wrote to memory of 1416	992	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9f05dfab6e83adc93c9f78af4f21c4f4e155d6afdae2ca7a3207823d8c7f33a7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:992

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9f05dfab6e83adc93c9f78af4f21c4f4e155d6afdae2ca7a3207823d8c7f33a7.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1416

Network

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/1416-114-0x0000000000000000-mapping.dmp

Download
memory/1416-115-0x0000000073F10000-0x0000000073F3D000-memory.dmp

Filesize
180KB

Download
memory/1416-117-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

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