dridex | 4af5ec8b347bb948d8a32db7aceb56d96e295a673ca5f13aaa0a6e4558ac46ac

Analysis

max time kernel
65s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
01/10/2024, 19:53

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General

Target

4af5ec8b347bb948d8a32db7aceb56d96e295a673ca5f13aaa0a6e4558ac46ac.dll
Size

180KB
MD5

aba3f1a29bdc0bb2471e3bbdbf04464a
SHA1

9a770fb31fcc3a7d60bf41ca5316e784de8aa4dd
SHA256

4af5ec8b347bb948d8a32db7aceb56d96e295a673ca5f13aaa0a6e4558ac46ac
SHA512

369e25786976f3ccd678b0bce180e5b3b995151e783f3dd5c415c3c7b8b5f935a1c2720d3275bec3bf8b7c31a4e4a9a77fe907b0a067a3d517dac91af59408df
SSDEEP

3072:x3U+o/fwAUfM8+NmXhjlAZ+SWlxT5H3zipQIoZeErkxUNBG0:ZUZYxfM8+YXfq+SOxTxjipQjzk3

Score

10^/10

dridex 111 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

111

94.126.8.2:443

81.2.235.131:1688

178.63.156.139:3388

rc4.plain

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2220-1-0x0000000074F70000-0x0000000074F9E000-memory.dmp	dridex_ldr
behavioral1/memory/2220-2-0x0000000074F70000-0x0000000074F9E000-memory.dmp	dridex_ldr

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

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

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2220	2212	rundll32.exe	30
PID 2212 wrote to memory of 2220	2212	rundll32.exe	30
PID 2212 wrote to memory of 2220	2212	rundll32.exe	30
PID 2212 wrote to memory of 2220	2212	rundll32.exe	30
PID 2212 wrote to memory of 2220	2212	rundll32.exe	30
PID 2212 wrote to memory of 2220	2212	rundll32.exe	30
PID 2212 wrote to memory of 2220	2212	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4af5ec8b347bb948d8a32db7aceb56d96e295a673ca5f13aaa0a6e4558ac46ac.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2212
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4af5ec8b347bb948d8a32db7aceb56d96e295a673ca5f13aaa0a6e4558ac46ac.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2220

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

Replay Monitor

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Downloads

memory/2220-0-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2220-1-0x0000000074F70000-0x0000000074F9E000-memory.dmp

Filesize
184KB

Download
memory/2220-3-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2220-2-0x0000000074F70000-0x0000000074F9E000-memory.dmp

Filesize
184KB

Download