dridex | 8d047211eb103a73913ed77b9f09e06521968cd57ea3c4d8f2c4fbbac193dd68

Analysis

max time kernel
29s
max time network
150s
platform
windows10_x64
resource
win10v20210408
submitted
21-06-2021 00:34

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General

Target

8d047211eb103a73913ed77b9f09e06521968cd57ea3c4d8f2c4fbbac193dd68.dll
Size

196KB
MD5

fb66a7b0322701d1c84ab5254a424779
SHA1

87601760c9f7cd6604905411488a8be0b16513f8
SHA256

8d047211eb103a73913ed77b9f09e06521968cd57ea3c4d8f2c4fbbac193dd68
SHA512

a211648ebb72cfda29e1813c814c777024cf3f55370e8878700f1ac52a2e4d66d59953d13051214e287e6d5b1ddcd7ff43bf0a51b66bf310a1ee0441211c3fb4

Score

10^/10

dridex 111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

111

37.247.35.132:443

50.243.30.51:6601

162.241.204.234:6516

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/1808-115-0x0000000073C60000-0x0000000073C93000-memory.dmp	dridex_ldr

Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

15 1808 rundll32.exe
17 1808 rundll32.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
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

flow	pid	process
15	1808	rundll32.exe
17	1808	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 416 wrote to memory of 1808	416	rundll32.exe	rundll32.exe
PID 416 wrote to memory of 1808	416	rundll32.exe	rundll32.exe
PID 416 wrote to memory of 1808	416	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8d047211eb103a73913ed77b9f09e06521968cd57ea3c4d8f2c4fbbac193dd68.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:416

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8d047211eb103a73913ed77b9f09e06521968cd57ea3c4d8f2c4fbbac193dd68.dll,#1
2⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:1808

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1808-114-0x0000000000000000-mapping.dmp

Download
memory/1808-115-0x0000000073C60000-0x0000000073C93000-memory.dmp

Filesize
204KB

Download
memory/1808-117-0x0000000002790000-0x0000000002796000-memory.dmp

Filesize
24KB

Download