dridex | bc78ff7e9e8da746852d60d9605b7c2f7819282c25c8254d43cc7d7ef8fb7121

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 03:34

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General

Target

JaffaCakes118_bc78ff7e9e8da746852d60d9605b7c2f7819282c25c8254d43cc7d7ef8fb7121.dll
Size

204KB
MD5

fd6f9ee1193f4c87b332c1fa1ad9e008
SHA1

2ca05443d0e7476352e1fa289badff9d6ba50204
SHA256

bc78ff7e9e8da746852d60d9605b7c2f7819282c25c8254d43cc7d7ef8fb7121
SHA512

0dd427b98ecf89cdfbfb58329a7aa5240032ab5208ddf99420277988d3f09b90b00ecaba3f163eadaceb15679c02dfee0d89d3adc0d6ee6c070e75cf27c51b04
SSDEEP

3072:+6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:+ZuX6pEaeEDheWa+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/2204-1-0x00000000745C0000-0x00000000745F5000-memory.dmp	dridex_ldr
behavioral1/memory/2204-4-0x00000000745C0000-0x00000000745F5000-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 3012 wrote to memory of 2204	3012	rundll32.exe	30
PID 3012 wrote to memory of 2204	3012	rundll32.exe	30
PID 3012 wrote to memory of 2204	3012	rundll32.exe	30
PID 3012 wrote to memory of 2204	3012	rundll32.exe	30
PID 3012 wrote to memory of 2204	3012	rundll32.exe	30
PID 3012 wrote to memory of 2204	3012	rundll32.exe	30
PID 3012 wrote to memory of 2204	3012	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bc78ff7e9e8da746852d60d9605b7c2f7819282c25c8254d43cc7d7ef8fb7121.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bc78ff7e9e8da746852d60d9605b7c2f7819282c25c8254d43cc7d7ef8fb7121.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2204

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/2204-0-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2204-1-0x00000000745C0000-0x00000000745F5000-memory.dmp

Filesize
212KB

Download
memory/2204-3-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/2204-4-0x00000000745C0000-0x00000000745F5000-memory.dmp

Filesize
212KB

Download