dridex | d4db7e9497d9893ecf9aa949b3a5e99796537fd7b062f8e69e8f78bea6580f59

Analysis

max time kernel
19s
max time network
126s
platform
windows10_x64
resource
win10v20210410
submitted
20-06-2021 22:12

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General

Target

d4db7e9497d9893ecf9aa949b3a5e99796537fd7b062f8e69e8f78bea6580f59.dll
Size

162KB
MD5

e0fc79c4ec96efba60d5f7d2e588acc8
SHA1

6077f985b8c115f9fe839e80bcdf1159e30c2739
SHA256

d4db7e9497d9893ecf9aa949b3a5e99796537fd7b062f8e69e8f78bea6580f59
SHA512

57bb38471e204dc083a2c237adbbf5f03175000d9d77135e74ba2bb45ab70f15cb69f99be3a735382182077b0d0a35de420bf4fa74aabe05344902cefba7d6f6

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/3996-115-0x0000000073A70000-0x0000000073A9E000-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 1696 wrote to memory of 3996	1696	rundll32.exe	rundll32.exe
PID 1696 wrote to memory of 3996	1696	rundll32.exe	rundll32.exe
PID 1696 wrote to memory of 3996	1696	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d4db7e9497d9893ecf9aa949b3a5e99796537fd7b062f8e69e8f78bea6580f59.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1696

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d4db7e9497d9893ecf9aa949b3a5e99796537fd7b062f8e69e8f78bea6580f59.dll,#1
2⤵
- Checks whether UAC is enabled
PID:3996

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/3996-114-0x0000000000000000-mapping.dmp

Download
memory/3996-115-0x0000000073A70000-0x0000000073A9E000-memory.dmp

Filesize
184KB

Download
memory/3996-117-0x0000000002CC0000-0x0000000002D6E000-memory.dmp

Filesize
696KB

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