dridex | a2dffea56cb0c285085d3f7f4500e6b69c5957d4c9af2e73cfc9cb48804500b1

Analysis

max time kernel
54s
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 23:39

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General

Target

JaffaCakes118_a2dffea56cb0c285085d3f7f4500e6b69c5957d4c9af2e73cfc9cb48804500b1.dll
Size

204KB
MD5

175b9e849c34bc9758c3be607eab7a6c
SHA1

dfb2590d72b739d64cad01b73951eaf7c44a8072
SHA256

a2dffea56cb0c285085d3f7f4500e6b69c5957d4c9af2e73cfc9cb48804500b1
SHA512

2dc2302dfd212929acea77995162fb5ee446237dedfc3b0b676781cb02c71de9395a56bf7dcaf5d3c2ab16a156781ce4854b00e60fb5578957b55374132690f6
SSDEEP

3072:D6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:DZuX6pEaeEDheWa+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/2104-0-0x00000000745D0000-0x0000000074605000-memory.dmp	dridex_ldr
behavioral1/memory/2104-3-0x00000000745D0000-0x0000000074605000-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 1820 wrote to memory of 2104	1820	rundll32.exe	30
PID 1820 wrote to memory of 2104	1820	rundll32.exe	30
PID 1820 wrote to memory of 2104	1820	rundll32.exe	30
PID 1820 wrote to memory of 2104	1820	rundll32.exe	30
PID 1820 wrote to memory of 2104	1820	rundll32.exe	30
PID 1820 wrote to memory of 2104	1820	rundll32.exe	30
PID 1820 wrote to memory of 2104	1820	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a2dffea56cb0c285085d3f7f4500e6b69c5957d4c9af2e73cfc9cb48804500b1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a2dffea56cb0c285085d3f7f4500e6b69c5957d4c9af2e73cfc9cb48804500b1.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2104

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/2104-0-0x00000000745D0000-0x0000000074605000-memory.dmp

Filesize
212KB

Download
memory/2104-2-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2104-3-0x00000000745D0000-0x0000000074605000-memory.dmp

Filesize
212KB

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