dridex | d86612b32c0b326edda23d86894ff0bfdd52c6587a211abb2e59acbee7c5088d

Analysis

max time kernel
27s
max time network
110s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 15:03

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General

Target

d86612b32c0b326edda23d86894ff0bfdd52c6587a211abb2e59acbee7c5088d.dll
Size

161KB
MD5

208d00a2b58eb99f7c5b5ce795ad401d
SHA1

ffb62fb363c5e2e75acd2e9e1d7e760afbc260aa
SHA256

d86612b32c0b326edda23d86894ff0bfdd52c6587a211abb2e59acbee7c5088d
SHA512

37f903f7a24a2b941df7e56d3b1cf28a65a41843da26d1e82b864ed0febaf07193d98395614a27213b1ff76ce4ecb9e1b9b6c01c016c3f9b4162527f9515589b

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

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
behavioral2/memory/640-115-0x0000000073890000-0x00000000738BE000-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 2840 wrote to memory of 640	2840	rundll32.exe	rundll32.exe
PID 2840 wrote to memory of 640	2840	rundll32.exe	rundll32.exe
PID 2840 wrote to memory of 640	2840	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d86612b32c0b326edda23d86894ff0bfdd52c6587a211abb2e59acbee7c5088d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2840

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d86612b32c0b326edda23d86894ff0bfdd52c6587a211abb2e59acbee7c5088d.dll,#1
2⤵
- Checks whether UAC is enabled
PID:640

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/640-114-0x0000000000000000-mapping.dmp

Download
memory/640-115-0x0000000073890000-0x00000000738BE000-memory.dmp

Filesize
184KB

Download
memory/640-117-0x00000000049D0000-0x00000000049D6000-memory.dmp

Filesize
24KB

Download