dridex | 899eb51b47dda217c361bbf12cddb6312b71a74e5c9b21382ae7d60e0a872660

Analysis

max time kernel
52s
max time network
121s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 20:41

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General

Target

JaffaCakes118_899eb51b47dda217c361bbf12cddb6312b71a74e5c9b21382ae7d60e0a872660.dll
Size

204KB
MD5

61570a264eb6c5211130a4867e292cb3
SHA1

cf5110fd58c617f25c77d51b6ec051a64711d84b
SHA256

899eb51b47dda217c361bbf12cddb6312b71a74e5c9b21382ae7d60e0a872660
SHA512

8c75dbf40d747dcf97b086984106811d84eb3ba1aa2a9d46d2439a22de295e7eebdfe82204677c8412acd20384e8c2e99b8c48c256d9b461fc2589f5f8759cf3
SSDEEP

3072:t6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:tZuX6pEaeEDheWa+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/2576-0-0x0000000074D90000-0x0000000074DC5000-memory.dmp	dridex_ldr
behavioral1/memory/2576-3-0x0000000074D90000-0x0000000074DC5000-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 2620 wrote to memory of 2576	2620	rundll32.exe	30
PID 2620 wrote to memory of 2576	2620	rundll32.exe	30
PID 2620 wrote to memory of 2576	2620	rundll32.exe	30
PID 2620 wrote to memory of 2576	2620	rundll32.exe	30
PID 2620 wrote to memory of 2576	2620	rundll32.exe	30
PID 2620 wrote to memory of 2576	2620	rundll32.exe	30
PID 2620 wrote to memory of 2576	2620	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_899eb51b47dda217c361bbf12cddb6312b71a74e5c9b21382ae7d60e0a872660.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2620
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_899eb51b47dda217c361bbf12cddb6312b71a74e5c9b21382ae7d60e0a872660.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2576

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/2576-0-0x0000000074D90000-0x0000000074DC5000-memory.dmp

Filesize
212KB

Download
memory/2576-2-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/2576-3-0x0000000074D90000-0x0000000074DC5000-memory.dmp

Filesize
212KB

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