dridex | 6543da580d3f755c9328f3443320c8a21f16f353ace8a5680229ed4f7a505a69

Analysis

max time kernel
66s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 05:58

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General

Target

JaffaCakes118_6543da580d3f755c9328f3443320c8a21f16f353ace8a5680229ed4f7a505a69.dll
Size

204KB
MD5

5537145703159ebab10ed30267660fbf
SHA1

42a1809a749b394b60fc6c204fd63c39bab3f1bb
SHA256

6543da580d3f755c9328f3443320c8a21f16f353ace8a5680229ed4f7a505a69
SHA512

fd9d53c6563d4856115bd4c1c4be165c3de22aa47f663e65338434a66009015a97587a1e5d4436705024e34d1f6f6817ebbe298b1901152984b4428e53814f6c
SSDEEP

3072:r6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:rZuX6pEaeEDheWa+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/1660-1-0x0000000074EC0000-0x0000000074EF5000-memory.dmp	dridex_ldr
behavioral1/memory/1660-2-0x0000000074EC0000-0x0000000074EF5000-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 1456 wrote to memory of 1660	1456	rundll32.exe	29
PID 1456 wrote to memory of 1660	1456	rundll32.exe	29
PID 1456 wrote to memory of 1660	1456	rundll32.exe	29
PID 1456 wrote to memory of 1660	1456	rundll32.exe	29
PID 1456 wrote to memory of 1660	1456	rundll32.exe	29
PID 1456 wrote to memory of 1660	1456	rundll32.exe	29
PID 1456 wrote to memory of 1660	1456	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6543da580d3f755c9328f3443320c8a21f16f353ace8a5680229ed4f7a505a69.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1456
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6543da580d3f755c9328f3443320c8a21f16f353ace8a5680229ed4f7a505a69.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1660

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/1660-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1660-1-0x0000000074EC0000-0x0000000074EF5000-memory.dmp

Filesize
212KB

Download
memory/1660-3-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1660-2-0x0000000074EC0000-0x0000000074EF5000-memory.dmp

Filesize
212KB

Download