dridex | 39a9c61d47b20a6d8756751cb7507df411c7d5d255d48049bf255b0cceadb16e

Analysis

max time kernel
110s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 20:45

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General

Target

JaffaCakes118_39a9c61d47b20a6d8756751cb7507df411c7d5d255d48049bf255b0cceadb16e.dll
Size

204KB
MD5

d92417ddcfe18e3f2e6ae044c59e5bf6
SHA1

d915986ec1feffb7fc8e3f10c80e2c541a85d2e5
SHA256

39a9c61d47b20a6d8756751cb7507df411c7d5d255d48049bf255b0cceadb16e
SHA512

944f462e7867260f78796b162bc25312990006d3b66cd04ecf63742c722b111cec315581acbb65382d3da16c6fe38b95c79fef92bf380fb7f71a79722bca0f9f
SSDEEP

3072:O6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:OZuX6pEaeEDheWa+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/2328-1-0x0000000074F30000-0x0000000074F65000-memory.dmp	dridex_ldr
behavioral1/memory/2328-3-0x0000000074F30000-0x0000000074F65000-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 3068 wrote to memory of 2328	3068	rundll32.exe	30
PID 3068 wrote to memory of 2328	3068	rundll32.exe	30
PID 3068 wrote to memory of 2328	3068	rundll32.exe	30
PID 3068 wrote to memory of 2328	3068	rundll32.exe	30
PID 3068 wrote to memory of 2328	3068	rundll32.exe	30
PID 3068 wrote to memory of 2328	3068	rundll32.exe	30
PID 3068 wrote to memory of 2328	3068	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39a9c61d47b20a6d8756751cb7507df411c7d5d255d48049bf255b0cceadb16e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_39a9c61d47b20a6d8756751cb7507df411c7d5d255d48049bf255b0cceadb16e.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2328

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/2328-2-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2328-1-0x0000000074F30000-0x0000000074F65000-memory.dmp

Filesize
212KB

Download
memory/2328-3-0x0000000074F30000-0x0000000074F65000-memory.dmp

Filesize
212KB

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