dridex | a6d85cdae2a8180e0a27a28fc2a9d50e384910f8031319e45f9d2dcb5de3c63e

Analysis

max time kernel
70s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:35

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General

Target

JaffaCakes118_a6d85cdae2a8180e0a27a28fc2a9d50e384910f8031319e45f9d2dcb5de3c63e.dll
Size

204KB
MD5

fa6b92ba7573a4d37e75886974e4e66f
SHA1

d821c7224da92befad60d2d3fadb428e8cd8991d
SHA256

a6d85cdae2a8180e0a27a28fc2a9d50e384910f8031319e45f9d2dcb5de3c63e
SHA512

298413c7b131ddedde2006aee1aee705ee52297973f1ffb0f4a4bcc0890e5de4139563fc8cb40e3dffcb002005f609b2c94f300ff6a7217cd74ae1851d1ed0fb
SSDEEP

3072:f6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:fZuX6pEaeEDheWa+Jc9bhorfTw

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

45.58.56.12:443

162.241.54.59:6601

51.91.76.89:2303

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
behavioral1/memory/2528-1-0x00000000752E0000-0x0000000075315000-memory.dmp	dridex_ldr
behavioral1/memory/2528-3-0x00000000752E0000-0x0000000075315000-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 7 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 2528	1956	rundll32.exe	30
PID 1956 wrote to memory of 2528	1956	rundll32.exe	30
PID 1956 wrote to memory of 2528	1956	rundll32.exe	30
PID 1956 wrote to memory of 2528	1956	rundll32.exe	30
PID 1956 wrote to memory of 2528	1956	rundll32.exe	30
PID 1956 wrote to memory of 2528	1956	rundll32.exe	30
PID 1956 wrote to memory of 2528	1956	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a6d85cdae2a8180e0a27a28fc2a9d50e384910f8031319e45f9d2dcb5de3c63e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a6d85cdae2a8180e0a27a28fc2a9d50e384910f8031319e45f9d2dcb5de3c63e.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2528

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/2528-2-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2528-1-0x00000000752E0000-0x0000000075315000-memory.dmp

Filesize
212KB

Download
memory/2528-3-0x00000000752E0000-0x0000000075315000-memory.dmp

Filesize
212KB

Download