dridex | dcf6c4c0799c432e96f1a95cd364ec85fd61bc1e0d1e23ea798edec51beea981

Analysis

max time kernel
61s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:35

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General

Target

JaffaCakes118_dcf6c4c0799c432e96f1a95cd364ec85fd61bc1e0d1e23ea798edec51beea981.dll
Size

204KB
MD5

c42063c9f069d3a45b4452af760b6a92
SHA1

6cb6ecf5e29fbd2d49c66c853be7a73e9fd989ee
SHA256

dcf6c4c0799c432e96f1a95cd364ec85fd61bc1e0d1e23ea798edec51beea981
SHA512

35b576844f261225425f957daa974829f32667cffa8bba2d9f13078cd26fd567122141e451d2ce299785c78a58a5db7eb0b520ab26dc3ebedd4433e787a8b531
SSDEEP

3072:G6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:GZuX6pEaeEDheWa+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/1908-1-0x00000000751F0000-0x0000000075225000-memory.dmp	dridex_ldr
behavioral1/memory/1908-2-0x00000000751F0000-0x0000000075225000-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 2420 wrote to memory of 1908	2420	rundll32.exe	30
PID 2420 wrote to memory of 1908	2420	rundll32.exe	30
PID 2420 wrote to memory of 1908	2420	rundll32.exe	30
PID 2420 wrote to memory of 1908	2420	rundll32.exe	30
PID 2420 wrote to memory of 1908	2420	rundll32.exe	30
PID 2420 wrote to memory of 1908	2420	rundll32.exe	30
PID 2420 wrote to memory of 1908	2420	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dcf6c4c0799c432e96f1a95cd364ec85fd61bc1e0d1e23ea798edec51beea981.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dcf6c4c0799c432e96f1a95cd364ec85fd61bc1e0d1e23ea798edec51beea981.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1908

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/1908-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1908-1-0x00000000751F0000-0x0000000075225000-memory.dmp

Filesize
212KB

Download
memory/1908-2-0x00000000751F0000-0x0000000075225000-memory.dmp

Filesize
212KB

Download
memory/1908-3-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download