dridex | b1f751feb65a0ac8e1119620db9e1d8b052e5d91272439d4e5ea2f76b3f451f2

Analysis

max time kernel
44s
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 20:17

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General

Target

JaffaCakes118_b1f751feb65a0ac8e1119620db9e1d8b052e5d91272439d4e5ea2f76b3f451f2.dll
Size

204KB
MD5

6943617b36e88e885cf92dc329c7d442
SHA1

e7174a470385ed8216d08899f816a3bf2dadae58
SHA256

b1f751feb65a0ac8e1119620db9e1d8b052e5d91272439d4e5ea2f76b3f451f2
SHA512

ebb7bd0b76ee4f1f2b08c27410aec19e9decda048261c83c2a7466ab59a869b2a265a8a69b0713089f7c34d6cb34f6670c781808dc642e333b334b31d30023bb
SSDEEP

3072:J6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:JZuX6pEaeEDheWa+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/1896-1-0x0000000075040000-0x0000000075075000-memory.dmp	dridex_ldr
behavioral1/memory/1896-2-0x0000000075040000-0x0000000075075000-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 1928 wrote to memory of 1896	1928	rundll32.exe	30
PID 1928 wrote to memory of 1896	1928	rundll32.exe	30
PID 1928 wrote to memory of 1896	1928	rundll32.exe	30
PID 1928 wrote to memory of 1896	1928	rundll32.exe	30
PID 1928 wrote to memory of 1896	1928	rundll32.exe	30
PID 1928 wrote to memory of 1896	1928	rundll32.exe	30
PID 1928 wrote to memory of 1896	1928	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1f751feb65a0ac8e1119620db9e1d8b052e5d91272439d4e5ea2f76b3f451f2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b1f751feb65a0ac8e1119620db9e1d8b052e5d91272439d4e5ea2f76b3f451f2.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1896

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/1896-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1896-1-0x0000000075040000-0x0000000075075000-memory.dmp

Filesize
212KB

Download
memory/1896-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1896-2-0x0000000075040000-0x0000000075075000-memory.dmp

Filesize
212KB

Download