dridex | b2efbdb2e64d971e4facb9828171947b998cffde312f434ddee0ede0f95998f0

Analysis

max time kernel
19s
max time network
113s
platform
windows10_x64
resource
win10v20210410
submitted
24-06-2021 05:12

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General

Target

b2efbdb2e64d971e4facb9828171947b998cffde312f434ddee0ede0f95998f0.dll
Size

162KB
MD5

d3bb7f828ba7ad0fdc3ce9916f1330dd
SHA1

803e1e245dec97e53fc8a94ffc4a326407b63d19
SHA256

b2efbdb2e64d971e4facb9828171947b998cffde312f434ddee0ede0f95998f0
SHA512

55c5fc2651fe38963f640ec71a1191fba97f01028186882a8e462c69b2ff8ea5633b4f38cb23972cdbbbda561714fddcd06763872c46054b0e97452812288d84

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/3972-115-0x00000000742B0000-0x00000000742DE000-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 3156 wrote to memory of 3972	3156	rundll32.exe	rundll32.exe
PID 3156 wrote to memory of 3972	3156	rundll32.exe	rundll32.exe
PID 3156 wrote to memory of 3972	3156	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2efbdb2e64d971e4facb9828171947b998cffde312f434ddee0ede0f95998f0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3156

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2efbdb2e64d971e4facb9828171947b998cffde312f434ddee0ede0f95998f0.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3972

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/3972-114-0x0000000000000000-mapping.dmp

Download
memory/3972-115-0x00000000742B0000-0x00000000742DE000-memory.dmp

Filesize
184KB

Download
memory/3972-117-0x0000000003280000-0x0000000003286000-memory.dmp

Filesize
24KB

Download