dridex | 1d633e2bb1e40fdb22fe4608be7548c5fdbe05d6f7daa3d7df27322d592e1681

Analysis

max time kernel
29s
max time network
10s
platform
windows7_x64
resource
win7v20210408
submitted
21-04-2021 18:03

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General

Target

1d633e2bb1e40fdb22fe4608be7548c5fdbe05d6f7daa3d7df27322d592e1681.dll
Size

162KB
MD5

31dedf5ddb5621928a5f9db5fcf57340
SHA1

35909e8b478f17407667594abebf1ce69e479a19
SHA256

1d633e2bb1e40fdb22fe4608be7548c5fdbe05d6f7daa3d7df27322d592e1681
SHA512

d619c24759874536c0c83196dba82817eb97a6f1358e953e107a00e97d80df8e7786a89a2a0e9e882ced6a2c5a983804b3c59789ff44c2ae7731702103dabd6b

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/2036-62-0x0000000074680000-0x00000000746AE000-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 1652 wrote to memory of 2036	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 2036	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 2036	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 2036	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 2036	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 2036	1652	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 2036	1652	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1d633e2bb1e40fdb22fe4608be7548c5fdbe05d6f7daa3d7df27322d592e1681.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1d633e2bb1e40fdb22fe4608be7548c5fdbe05d6f7daa3d7df27322d592e1681.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:2036

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2036-60-0x0000000000000000-mapping.dmp

Download
memory/2036-61-0x00000000754F1000-0x00000000754F3000-memory.dmp

Filesize
8KB

Download
memory/2036-62-0x0000000074680000-0x00000000746AE000-memory.dmp

Filesize
184KB

Download
memory/2036-64-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download