dridex | 4bbebf65706f9b4933718e09e93e905b495e9e1867c11a5167202bf3ff71b0e4

Analysis

max time kernel
66s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 20:37

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General

Target

JaffaCakes118_4bbebf65706f9b4933718e09e93e905b495e9e1867c11a5167202bf3ff71b0e4.dll
Size

204KB
MD5

4bbd336eb9ac734dff54cf70da8a02f7
SHA1

eb39f25ca0472075e4b546c7e7ab124b71474c7f
SHA256

4bbebf65706f9b4933718e09e93e905b495e9e1867c11a5167202bf3ff71b0e4
SHA512

4769eae5e781b7237b72b344321cbe8ac5f18167e726f721ffd699165c05d4927d3a7cd6b3601cfb7b6ffb6d5d93c916826724952671195b52b8f93e4b3b3a16
SSDEEP

3072:56FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:5ZuX6pEaeEDheWa+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/2776-1-0x0000000074EB0000-0x0000000074EE5000-memory.dmp	dridex_ldr
behavioral1/memory/2776-2-0x0000000074EB0000-0x0000000074EE5000-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 1760 wrote to memory of 2776	1760	rundll32.exe	30
PID 1760 wrote to memory of 2776	1760	rundll32.exe	30
PID 1760 wrote to memory of 2776	1760	rundll32.exe	30
PID 1760 wrote to memory of 2776	1760	rundll32.exe	30
PID 1760 wrote to memory of 2776	1760	rundll32.exe	30
PID 1760 wrote to memory of 2776	1760	rundll32.exe	30
PID 1760 wrote to memory of 2776	1760	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bbebf65706f9b4933718e09e93e905b495e9e1867c11a5167202bf3ff71b0e4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bbebf65706f9b4933718e09e93e905b495e9e1867c11a5167202bf3ff71b0e4.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2776

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/2776-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2776-1-0x0000000074EB0000-0x0000000074EE5000-memory.dmp

Filesize
212KB

Download
memory/2776-2-0x0000000074EB0000-0x0000000074EE5000-memory.dmp

Filesize
212KB

Download
memory/2776-3-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download