dridex | 2f1ee2f6f851f1236ddbac64bcd10511ccda0050f5bf8450cb2d9a8d292a6485

Analysis

max time kernel
28s
max time network
135s
platform
windows10_x64
resource
win10v20210408
submitted
20-06-2021 23:14

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General

Target

2f1ee2f6f851f1236ddbac64bcd10511ccda0050f5bf8450cb2d9a8d292a6485.dll
Size

162KB
MD5

95c43dd21fcdaf7cdb12a78aabc62650
SHA1

94d32a00287b3beafb0b14e26e953a56cf0729e9
SHA256

2f1ee2f6f851f1236ddbac64bcd10511ccda0050f5bf8450cb2d9a8d292a6485
SHA512

191c19f20431298a9221b8a2743fbda716372b98b14c269fb899f2e489041d68e9a5a9cf8d2bcdf964e3358c1d12967301c39c33bf07eeb3d4e629647ab87198

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/1084-115-0x0000000073D90000-0x0000000073DBE000-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 808 wrote to memory of 1084	808	rundll32.exe	rundll32.exe
PID 808 wrote to memory of 1084	808	rundll32.exe	rundll32.exe
PID 808 wrote to memory of 1084	808	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2f1ee2f6f851f1236ddbac64bcd10511ccda0050f5bf8450cb2d9a8d292a6485.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:808

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2f1ee2f6f851f1236ddbac64bcd10511ccda0050f5bf8450cb2d9a8d292a6485.dll,#1
2⤵
- Checks whether UAC is enabled
PID:1084

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/1084-114-0x0000000000000000-mapping.dmp

Download
memory/1084-115-0x0000000073D90000-0x0000000073DBE000-memory.dmp

Filesize
184KB

Download
memory/1084-117-0x00000000029F0000-0x00000000029F6000-memory.dmp

Filesize
24KB

Download