dridex | a54c010773c2fb877bbd73bf098574b2ff6eeddfa20cbc7b10febe37b7085b57

Analysis

max time kernel
41s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-09-2024 17:41

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General

Target

a54c010773c2fb877bbd73bf098574b2ff6eeddfa20cbc7b10febe37b7085b57.dll
Size

180KB
MD5

57b55208db5cdc35238207f1a6a78619
SHA1

1e7d1b49134fa82e355fba22d663ace54324c2fb
SHA256

a54c010773c2fb877bbd73bf098574b2ff6eeddfa20cbc7b10febe37b7085b57
SHA512

c05ea66eddec0a6a846531971b63235b7f0f12f7b492c9b3038bbbba8b75019dbfba5e999cc147f42c719fd0a1795740ede0db9d09aab9604c15c921de370680
SSDEEP

3072:w3U+o/fwAUfM8+NmXhjlAZ+SWlxT5H3zipQIoZeErkxUNBG0:EUZYxfM8+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/2428-0-0x0000000074F40000-0x0000000074F6E000-memory.dmp	dridex_ldr
behavioral1/memory/2428-2-0x0000000074F40000-0x0000000074F6E000-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 2420 wrote to memory of 2428	2420	rundll32.exe	29
PID 2420 wrote to memory of 2428	2420	rundll32.exe	29
PID 2420 wrote to memory of 2428	2420	rundll32.exe	29
PID 2420 wrote to memory of 2428	2420	rundll32.exe	29
PID 2420 wrote to memory of 2428	2420	rundll32.exe	29
PID 2420 wrote to memory of 2428	2420	rundll32.exe	29
PID 2420 wrote to memory of 2428	2420	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a54c010773c2fb877bbd73bf098574b2ff6eeddfa20cbc7b10febe37b7085b57.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a54c010773c2fb877bbd73bf098574b2ff6eeddfa20cbc7b10febe37b7085b57.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2428

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/2428-0-0x0000000074F40000-0x0000000074F6E000-memory.dmp

Filesize
184KB

Download
memory/2428-1-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2428-2-0x0000000074F40000-0x0000000074F6E000-memory.dmp

Filesize
184KB

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