dridex | 37d84727a029d2c3d8d0884b050201db72e8ec7ef79ea0da86a76ef12770604f

Analysis

max time kernel
19s
max time network
139s
platform
windows10_x64
resource
win10v20210410
submitted
18-06-2021 05:56

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General

Target

37d84727a029d2c3d8d0884b050201db72e8ec7ef79ea0da86a76ef12770604f.dll
Size

158KB
MD5

b4899bbb73b98da3bf00757deddc435d
SHA1

f3149b418f2a17449e8fb6d9090129b2a04969dc
SHA256

37d84727a029d2c3d8d0884b050201db72e8ec7ef79ea0da86a76ef12770604f
SHA512

b8c050758f5144fea2d3cbe313d4a82d92c0a909e98b3a877df9bdaca969c8f323cd1e585a625e03b4c7227f04f8ec135da7eb6e59801576f82514213270f3c3

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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/1740-115-0x0000000074300000-0x000000007432D000-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 500 wrote to memory of 1740	500	rundll32.exe	rundll32.exe
PID 500 wrote to memory of 1740	500	rundll32.exe	rundll32.exe
PID 500 wrote to memory of 1740	500	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\37d84727a029d2c3d8d0884b050201db72e8ec7ef79ea0da86a76ef12770604f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:500
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\37d84727a029d2c3d8d0884b050201db72e8ec7ef79ea0da86a76ef12770604f.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1740

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/1740-114-0x0000000000000000-mapping.dmp

Download
memory/1740-115-0x0000000074300000-0x000000007432D000-memory.dmp

Filesize
180KB

Download
memory/1740-117-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download