dridex | 8236b68ac12789eb5a77e1bab7e619b94ee75de55065cb4da84677feb1a91cf4

Analysis

max time kernel
49s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 20:03

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General

Target

JaffaCakes118_8236b68ac12789eb5a77e1bab7e619b94ee75de55065cb4da84677feb1a91cf4.dll
Size

204KB
MD5

8501f459b2494c8a5a3f6a0c709acaa3
SHA1

f0cc8f790fdf82a69f01eba501cd666d6a3c8d1d
SHA256

8236b68ac12789eb5a77e1bab7e619b94ee75de55065cb4da84677feb1a91cf4
SHA512

8760c0fef5dab3c6ad2e0b90905f4f6d1346b3fc5ab67caff9035673547498086fd1036c999d04d4a4aaeee5bcc980a34cef7b014e0dc4aa03fcdb5641492d7f
SSDEEP

3072:D6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:DZuX6pEaeEDheWa+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/3036-1-0x00000000749F0000-0x0000000074A25000-memory.dmp	dridex_ldr
behavioral1/memory/3036-3-0x00000000749F0000-0x0000000074A25000-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 596 wrote to memory of 3036	596	rundll32.exe	30
PID 596 wrote to memory of 3036	596	rundll32.exe	30
PID 596 wrote to memory of 3036	596	rundll32.exe	30
PID 596 wrote to memory of 3036	596	rundll32.exe	30
PID 596 wrote to memory of 3036	596	rundll32.exe	30
PID 596 wrote to memory of 3036	596	rundll32.exe	30
PID 596 wrote to memory of 3036	596	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8236b68ac12789eb5a77e1bab7e619b94ee75de55065cb4da84677feb1a91cf4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:596
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8236b68ac12789eb5a77e1bab7e619b94ee75de55065cb4da84677feb1a91cf4.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:3036

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/3036-2-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/3036-1-0x00000000749F0000-0x0000000074A25000-memory.dmp

Filesize
212KB

Download
memory/3036-3-0x00000000749F0000-0x0000000074A25000-memory.dmp

Filesize
212KB

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