dridex | b2b5bb94f9751d84171f7524ca21254a660725ab10a487f2d5dce1eb17a1d2b9

Analysis

max time kernel
42s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 22:58

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General

Target

JaffaCakes118_b2b5bb94f9751d84171f7524ca21254a660725ab10a487f2d5dce1eb17a1d2b9.dll
Size

160KB
MD5

f242b6cdfde8863a15a05b54652aa06c
SHA1

c61968d6525623d41eae67c44d97056196929b6d
SHA256

b2b5bb94f9751d84171f7524ca21254a660725ab10a487f2d5dce1eb17a1d2b9
SHA512

09db53a14d712d41629ca85e421539eec8b9cf38e85b4e40136a1323d2ef9656bbeb711b86dced6f8a6374946765d4acf1e18763896600e8a57ef5ec11dba9c9
SSDEEP

3072:QWX2IjzzpM+PncPeY8+O3AU3HRIHPh3UGfXy0BHNkIv/ScbQQ2y0iNM0+y+N0tc:Q42IfzNPnoeY8j3AsHGPXpHNj6rByM3

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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

resource	yara_rule
behavioral2/memory/1352-1-0x0000000075880000-0x00000000758AE000-memory.dmp	dridex_ldr
behavioral2/memory/1352-4-0x0000000075880000-0x00000000758AE000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	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

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

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4900 wrote to memory of 1352	4900	rundll32.exe	83
PID 4900 wrote to memory of 1352	4900	rundll32.exe	83
PID 4900 wrote to memory of 1352	4900	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b2b5bb94f9751d84171f7524ca21254a660725ab10a487f2d5dce1eb17a1d2b9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4900
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b2b5bb94f9751d84171f7524ca21254a660725ab10a487f2d5dce1eb17a1d2b9.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1352

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1352-0-0x0000000001320000-0x0000000001326000-memory.dmp

Filesize
24KB

Download
memory/1352-1-0x0000000075880000-0x00000000758AE000-memory.dmp

Filesize
184KB

Download
memory/1352-3-0x0000000001320000-0x0000000001326000-memory.dmp

Filesize
24KB

Download
memory/1352-4-0x0000000075880000-0x00000000758AE000-memory.dmp

Filesize
184KB

Download