dridex | 4836f644c2afbeba20090a79df7a8f824e5ffb8af465cc3a4a01bf7d07e2344c

Analysis

max time kernel
129s
max time network
148s
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, 05:16

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General

Target

JaffaCakes118_4836f644c2afbeba20090a79df7a8f824e5ffb8af465cc3a4a01bf7d07e2344c.dll
Size

162KB
MD5

be0d2f9a26a580db36c629bef04ee1eb
SHA1

d4e563b498ceb55a9c71fa49472815e7ec79fdbc
SHA256

4836f644c2afbeba20090a79df7a8f824e5ffb8af465cc3a4a01bf7d07e2344c
SHA512

825cef3f55232600ca2a6a520ae1a4e4a550a2367a0c56fb384b3e74ef161f69544b10962ca17dfe17ac2be000139a9ff99619f43233dfc6a2c8ad054d9e1d40
SSDEEP

3072:WmNFcsGvTmf9vOmoM0IZ5kPjBxYvdIL2KyOQaOP8+cMTH1PxsMYQnF1b1l:HLc7UtOpM1Z5k1xYO2LXjTH1pH5nF1p

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/1576-1-0x0000000074DB0000-0x0000000074DDE000-memory.dmp	dridex_ldr
behavioral2/memory/1576-4-0x0000000074DB0000-0x0000000074DDE000-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 3284 wrote to memory of 1576	3284	rundll32.exe	83
PID 3284 wrote to memory of 1576	3284	rundll32.exe	83
PID 3284 wrote to memory of 1576	3284	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4836f644c2afbeba20090a79df7a8f824e5ffb8af465cc3a4a01bf7d07e2344c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3284
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4836f644c2afbeba20090a79df7a8f824e5ffb8af465cc3a4a01bf7d07e2344c.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1576

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/1576-0-0x00000000010F0000-0x00000000010F6000-memory.dmp

Filesize
24KB

Download
memory/1576-1-0x0000000074DB0000-0x0000000074DDE000-memory.dmp

Filesize
184KB

Download
memory/1576-3-0x00000000010F0000-0x00000000010F6000-memory.dmp

Filesize
24KB

Download
memory/1576-4-0x0000000074DB0000-0x0000000074DDE000-memory.dmp

Filesize
184KB

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