dridex | 3fbc35ba56bf87c89cae60eb2d23a26559e4e3357d6eb3c38e8242791d40b7d9

Analysis

max time kernel
58s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-09-2024 04:58

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General

Target

232a3a6d4551622a0d9c16e13b222360N.dll
Size

176KB
MD5

232a3a6d4551622a0d9c16e13b222360
SHA1

26e35570ddae83ccf0b8529b210bb166d1eac9fd
SHA256

3fbc35ba56bf87c89cae60eb2d23a26559e4e3357d6eb3c38e8242791d40b7d9
SHA512

f094e90a94cd2c38e9bbdc1a55a5c095955c8eb3f9897a089ec66b0027bc78c4ea2ef621b6e64eca7ff7ec87964e292231bcf8a58129d5dec2bd86d8f2ff013b
SSDEEP

3072:gkuFv+1jFURSOOAONTxyUMN4lmg1sHednTLPfUTuIzMCIlpJDa9:gk+v+veSFrNT8V4sH0n/nGz8rJW

Score

10^/10

dridex 111 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

111

175.126.167.148:443

173.249.20.233:8043

162.241.204.233:4443

138.122.143.40:8043

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/2072-0-0x00000000746C0000-0x00000000746ED000-memory.dmp	dridex_ldr
behavioral1/memory/2072-2-0x00000000746C0000-0x00000000746ED000-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 2036 wrote to memory of 2072	2036	rundll32.exe	31
PID 2036 wrote to memory of 2072	2036	rundll32.exe	31
PID 2036 wrote to memory of 2072	2036	rundll32.exe	31
PID 2036 wrote to memory of 2072	2036	rundll32.exe	31
PID 2036 wrote to memory of 2072	2036	rundll32.exe	31
PID 2036 wrote to memory of 2072	2036	rundll32.exe	31
PID 2036 wrote to memory of 2072	2036	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\232a3a6d4551622a0d9c16e13b222360N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\232a3a6d4551622a0d9c16e13b222360N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2072

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/2072-1-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2072-0-0x00000000746C0000-0x00000000746ED000-memory.dmp

Filesize
180KB

Download
memory/2072-2-0x00000000746C0000-0x00000000746ED000-memory.dmp

Filesize
180KB

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