dridex | 7dfc844d81df06213c669703b78c63664a800513fdd633df12b7b5f6f2c619de

Analysis

max time kernel
28s
max time network
8s
platform
windows7_x64
resource
win7v20210410
submitted
21-04-2021 20:03

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General

Target

7dfc844d81df06213c669703b78c63664a800513fdd633df12b7b5f6f2c619de.dll
Size

157KB
MD5

0dc2b27cfc6ff9900f4e05619b4e770b
SHA1

3731ee70391588e3813b118cc92c7ba06b7f884c
SHA256

7dfc844d81df06213c669703b78c63664a800513fdd633df12b7b5f6f2c619de
SHA512

3996dd548ee35fd1e260be584c5e032e3365717e1e645662c40387617f19677c85cb03a841def051e9d46fd7a92518687bb360c56d58b44ac59d2d99e93ce73d

Score

10^/10

dridex 40112 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/2044-62-0x00000000747E0000-0x000000007480D000-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 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1420 wrote to memory of 2044	1420	rundll32.exe	rundll32.exe
PID 1420 wrote to memory of 2044	1420	rundll32.exe	rundll32.exe
PID 1420 wrote to memory of 2044	1420	rundll32.exe	rundll32.exe
PID 1420 wrote to memory of 2044	1420	rundll32.exe	rundll32.exe
PID 1420 wrote to memory of 2044	1420	rundll32.exe	rundll32.exe
PID 1420 wrote to memory of 2044	1420	rundll32.exe	rundll32.exe
PID 1420 wrote to memory of 2044	1420	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7dfc844d81df06213c669703b78c63664a800513fdd633df12b7b5f6f2c619de.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1420

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7dfc844d81df06213c669703b78c63664a800513fdd633df12b7b5f6f2c619de.dll,#1
2⤵
- Checks whether UAC is enabled
PID:2044

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/2044-60-0x0000000000000000-mapping.dmp

Download
memory/2044-61-0x0000000074FB1000-0x0000000074FB3000-memory.dmp

Filesize
8KB

Download
memory/2044-62-0x00000000747E0000-0x000000007480D000-memory.dmp

Filesize
180KB

Download
memory/2044-64-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download