dridex | 35575de083176b4edbf041c4bb073d4b52ec5a2e6d6222c636572ecc6ad22081

Analysis

max time kernel
114s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 20:50

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General

Target

JaffaCakes118_35575de083176b4edbf041c4bb073d4b52ec5a2e6d6222c636572ecc6ad22081.dll
Size

204KB
MD5

85bbf5563a91ad9a80028e71be9b1236
SHA1

6837294c2a91a8f2f422d8bd24afcf66fcdf946d
SHA256

35575de083176b4edbf041c4bb073d4b52ec5a2e6d6222c636572ecc6ad22081
SHA512

38f960a60220f4bd7f6a598a27794269362995c1e97fb33c4248a055d4748e84d8ac5f7a652d6ae405f0da8d8885195ede09ec5e6e2b943c1cb9bee0fdb8b3c9
SSDEEP

3072:K6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:KZuX6pEaeEDheWa+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
behavioral2/memory/2076-1-0x0000000075760000-0x0000000075795000-memory.dmp	dridex_ldr
behavioral2/memory/2076-4-0x0000000075760000-0x0000000075795000-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 3 IoCs

description	pid	Process	procid_target
PID 4732 wrote to memory of 2076	4732	rundll32.exe	84
PID 4732 wrote to memory of 2076	4732	rundll32.exe	84
PID 4732 wrote to memory of 2076	4732	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_35575de083176b4edbf041c4bb073d4b52ec5a2e6d6222c636572ecc6ad22081.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4732
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_35575de083176b4edbf041c4bb073d4b52ec5a2e6d6222c636572ecc6ad22081.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2076

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

Replay Monitor

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Downloads

memory/2076-0-0x0000000001210000-0x0000000001216000-memory.dmp

Filesize
24KB

Download
memory/2076-1-0x0000000075760000-0x0000000075795000-memory.dmp

Filesize
212KB

Download
memory/2076-3-0x0000000001210000-0x0000000001216000-memory.dmp

Filesize
24KB

Download
memory/2076-4-0x0000000075760000-0x0000000075795000-memory.dmp

Filesize
212KB

Download