dridex | a7c725124aae3122247697ec601ad13ae525e9b3d85b0ce664548a2bb920ff0b

Analysis

max time kernel
120s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 20:43

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General

Target

JaffaCakes118_a7c725124aae3122247697ec601ad13ae525e9b3d85b0ce664548a2bb920ff0b.dll
Size

204KB
MD5

a9f5314078788e75cf8961956357018c
SHA1

f56223b86213f21a01493976d6fc2e886d293af9
SHA256

a7c725124aae3122247697ec601ad13ae525e9b3d85b0ce664548a2bb920ff0b
SHA512

a60c565b03021cb1f282a93a64479028774c2cee96caf30101f3e987207bb07d2915ebf943c0280305690f60307acb7fb6621286c711ae554ab5104d53496263
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/2676-1-0x00000000749F0000-0x0000000074A25000-memory.dmp	dridex_ldr
behavioral1/memory/2676-2-0x00000000749F0000-0x0000000074A25000-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 2116 wrote to memory of 2676	2116	rundll32.exe	30
PID 2116 wrote to memory of 2676	2116	rundll32.exe	30
PID 2116 wrote to memory of 2676	2116	rundll32.exe	30
PID 2116 wrote to memory of 2676	2116	rundll32.exe	30
PID 2116 wrote to memory of 2676	2116	rundll32.exe	30
PID 2116 wrote to memory of 2676	2116	rundll32.exe	30
PID 2116 wrote to memory of 2676	2116	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a7c725124aae3122247697ec601ad13ae525e9b3d85b0ce664548a2bb920ff0b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a7c725124aae3122247697ec601ad13ae525e9b3d85b0ce664548a2bb920ff0b.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2676

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/2676-0-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2676-1-0x00000000749F0000-0x0000000074A25000-memory.dmp

Filesize
212KB

Download
memory/2676-3-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2676-2-0x00000000749F0000-0x0000000074A25000-memory.dmp

Filesize
212KB

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