dridex | fbc78c76d5a21d9730db1bd6e17325c52f84f7494e5a5ec6a54f1b1451ad96a4

Analysis

max time kernel
60s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 17:05

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General

Target

JaffaCakes118_fbc78c76d5a21d9730db1bd6e17325c52f84f7494e5a5ec6a54f1b1451ad96a4.dll
Size

204KB
MD5

a98c4660318260adc44fa90222023b65
SHA1

4d0ef4c5a78048bdb970e9fd32e7380b69041b1b
SHA256

fbc78c76d5a21d9730db1bd6e17325c52f84f7494e5a5ec6a54f1b1451ad96a4
SHA512

713e391fdc60f1c01a7d9317ae98ef91f37b42db67537f49b74ca1cf07dadbc179bad81ec60fdfa6d20c71bf93ff1b703fb47731be15f2cbe766d5f2cb986294
SSDEEP

3072:h6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:hZuX6pEaeEDheWa+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/2080-1-0x0000000074720000-0x0000000074755000-memory.dmp	dridex_ldr
behavioral1/memory/2080-2-0x0000000074720000-0x0000000074755000-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 2128 wrote to memory of 2080	2128	rundll32.exe	30
PID 2128 wrote to memory of 2080	2128	rundll32.exe	30
PID 2128 wrote to memory of 2080	2128	rundll32.exe	30
PID 2128 wrote to memory of 2080	2128	rundll32.exe	30
PID 2128 wrote to memory of 2080	2128	rundll32.exe	30
PID 2128 wrote to memory of 2080	2128	rundll32.exe	30
PID 2128 wrote to memory of 2080	2128	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fbc78c76d5a21d9730db1bd6e17325c52f84f7494e5a5ec6a54f1b1451ad96a4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fbc78c76d5a21d9730db1bd6e17325c52f84f7494e5a5ec6a54f1b1451ad96a4.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2080

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/2080-0-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2080-1-0x0000000074720000-0x0000000074755000-memory.dmp

Filesize
212KB

Download
memory/2080-2-0x0000000074720000-0x0000000074755000-memory.dmp

Filesize
212KB

Download
memory/2080-3-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download