dridex | 1dc3b532af834ca5c77d2bde716661b149479ba1ff7c25d612c8263d8bd7f70a

Analysis

max time kernel
100s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 14:07

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General

Target

1dc3b532af834ca5c77d2bde716661b149479ba1ff7c25d612c8263d8bd7f70a.dll
Size

180KB
MD5

a8b1f9039bf2a6242c4947e65000e0fc
SHA1

3a6f0ceb22206183ebc7201587a2b7eb6ee8bd2d
SHA256

1dc3b532af834ca5c77d2bde716661b149479ba1ff7c25d612c8263d8bd7f70a
SHA512

d56fd39f609a498b638b6e42342d8a2ea42b877529dce4030ce7d0871d2205975ba7bbc752afab186ef25f0f9459610594d6b6e8bf89bd4a3ccc2ecb4bea4b2d
SSDEEP

3072:BGp0m9FOGDv64TOvqdjR91E404PUW6bKHJZK0Bzb5Hea3:BGp0bG6q7040aBfK0db5L

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

212.237.17.99:443

176.28.17.160:6602

51.254.140.238:8333

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Dridex family
dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/2708-1-0x0000000074C70000-0x0000000074C9F000-memory.dmp	dridex_ldr
behavioral1/memory/2708-2-0x0000000074C70000-0x0000000074C9F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2824 2708 WerFault.exe rundll32.exe
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
discovery

System Language Discovery
T1614.001

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe

pid	pid_target	process	target process
2824	2708	WerFault.exe	rundll32.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2792 wrote to memory of 2708	2792	rundll32.exe	rundll32.exe
PID 2792 wrote to memory of 2708	2792	rundll32.exe	rundll32.exe
PID 2792 wrote to memory of 2708	2792	rundll32.exe	rundll32.exe
PID 2792 wrote to memory of 2708	2792	rundll32.exe	rundll32.exe
PID 2792 wrote to memory of 2708	2792	rundll32.exe	rundll32.exe
PID 2792 wrote to memory of 2708	2792	rundll32.exe	rundll32.exe
PID 2792 wrote to memory of 2708	2792	rundll32.exe	rundll32.exe
PID 2708 wrote to memory of 2824	2708	rundll32.exe	WerFault.exe
PID 2708 wrote to memory of 2824	2708	rundll32.exe	WerFault.exe
PID 2708 wrote to memory of 2824	2708	rundll32.exe	WerFault.exe
PID 2708 wrote to memory of 2824	2708	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1dc3b532af834ca5c77d2bde716661b149479ba1ff7c25d612c8263d8bd7f70a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1dc3b532af834ca5c77d2bde716661b149479ba1ff7c25d612c8263d8bd7f70a.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2708
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2708 -s 244
    3⤵
    - Program crash
    PID:2824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2708-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2708-1-0x0000000074C70000-0x0000000074C9F000-memory.dmp

Filesize
188KB

Download
memory/2708-2-0x0000000074C70000-0x0000000074C9F000-memory.dmp

Filesize
188KB

Download
memory/2708-4-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download