dridex | 28713ef431f990b44f3144944db185adfc54e95cadba8528884d3cd248f36f5a

Analysis

max time kernel
58s
max time network
136s
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 18:10

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General

Target

JaffaCakes118_28713ef431f990b44f3144944db185adfc54e95cadba8528884d3cd248f36f5a.dll
Size

162KB
MD5

2c162be176d3d869ae513cb075abba38
SHA1

13d788d355b86891c08363aee6f4562498c070fc
SHA256

28713ef431f990b44f3144944db185adfc54e95cadba8528884d3cd248f36f5a
SHA512

bd562aebccc8587498299fbbff0e24bb08f4335c3c506f21919ecabf64519053de9841f7ea53719aeac40b86319c9639256a507d689228b75299e353612c0fb6
SSDEEP

3072:mmNFcsGvTmf9vOmoM0IZ5kPjBxYvdIL2KyOQaOP8+cMTH1PxsMYQnF1b1l:3Lc7UtOpM1Z5k1xYO2LXjTH1pH5nF1p

Score

10^/10

dridex 40112 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40112

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/4840-1-0x0000000074A20000-0x0000000074A4E000-memory.dmp	dridex_ldr
behavioral2/memory/4840-4-0x0000000074A20000-0x0000000074A4E000-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 3800 wrote to memory of 4840	3800	rundll32.exe	84
PID 3800 wrote to memory of 4840	3800	rundll32.exe	84
PID 3800 wrote to memory of 4840	3800	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_28713ef431f990b44f3144944db185adfc54e95cadba8528884d3cd248f36f5a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3800
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_28713ef431f990b44f3144944db185adfc54e95cadba8528884d3cd248f36f5a.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:4840

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

Replay Monitor

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Downloads

memory/4840-0-0x0000000000C80000-0x0000000000C86000-memory.dmp

Filesize
24KB

Download
memory/4840-1-0x0000000074A20000-0x0000000074A4E000-memory.dmp

Filesize
184KB

Download
memory/4840-3-0x0000000000C80000-0x0000000000C86000-memory.dmp

Filesize
24KB

Download
memory/4840-4-0x0000000074A20000-0x0000000074A4E000-memory.dmp

Filesize
184KB

Download